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Kobata Contact Pressure Gauge

kvt part2 — Wed, 24 Jun 2020 04:35:46 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Contact Pressure Gauge

Product Info

This pressure gauge features a contact-type electrical contact on the pointer of the Bourdon tube pressure gauge, opening and closing the electrical circuit while measuring the pressure. It serves as a widely used alarm for abnormal pressure. The two available types include one with upper and lower limits, and another with both upper and lower limits, along with upper upper and lower lower limits.

How to set up

To set the desired pressure, simply turn the setting knob in the center of the indicator from the outside. Connect the electrical wiring to the terminal on the side of the indicator or the terminal inside the terminal box.

Product Specifications

Size	φ100, φ150
format	A type, B type, D type
Pressure Range	0 to 1000MPa
Contact Type	a. b contact (N.O, N.C)
Number of contacts	1 or 2
Contact Capacity	100V 0.3A
structure	Resin sealed drip-proof type with terminal box

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Kobata BA23 Pressure Switch

kvt part2 — Wed, 24 Jun 2020 04:35:10 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: BA23

Product Info

This pressure switch uses a Bourdon tube as the pressure receiving element and also uses a microswitch, and opens and closes the electric circuit at a preset pressure value when the pressure rises or falls.The pressure setting can be increased or decreased by turning the setting knob.

The post Kobata BA23 Pressure Switch first appeared on Kouei Japan Trading | Get Quotation.

Kobata BA300 Type Pressure Switch

kvt part2 — Wed, 24 Jun 2020 04:27:14 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: BA300 Type

Product Info

This pressure switch is a small high-pressure switch that uses a high-pressure Bourdon tube as the pressure-receiving element and also uses a microswitch, and opens and closes the electric circuit at a preset pressure value when the pressure rises or falls.The pressure setting value can be increased or decreased by turning the setting knob.

Product Specifications

Pressure Class	Low to high
Model	BA-300
Pressure Range	Various pressures from 0 to 250MPa
Contact Capacity	AC250V15A

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Kobata DMH-01 Series Portable Digital Manometer

kvt part2 — Wed, 24 Jun 2020 04:03:30 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DMH-01 Series: DMH-01-4kP, DMH-01-10kP, DMH-01-40kP, DMH-01-100kP, DMH-01-1MP

Included software: HM2D Viewer TM

By connecting with a USB cable, the DMH-01 main unit can be controlled from the included software, allowing you to measure while monitoring detailed waveforms of measurement data and record data to a PC.
On-site measurements can be performed using only the DMH-01 main unit, and the data recorded in the main unit’s memory can be downloaded at high speed after measurement, allowing detailed data to be checked on a PC. Detailed analysis and processing can be performed using software, etc.
It is now possible to set two threshold lines (red and blue).
The saved data is in CSV format (tabular text file), so detailed analysis and processing can be performed using a spreadsheet program, etc.
We provide separate Excel macros for displaying the Max, Min and Ave values for a specified section, as well as for unit conversion and flow rate measurement.
This software is compatible with all DMH-01 series devices, so you can manage multiple DMH-01 series devices at the same time.

Optional Support

Pressure connection ports can accommodate hoses of different diameters and medical luer taper fittings
The measurement units are meters of water column and meters of mercury column for medical use, which are excluded from the Japanese Measurement Act.

Inspection report, etc.

Model designation

① Measurement range	125P: 0 to ±125Pa 1.25kP: 0 to ±1.25kPa (1250Pa) 4kP: 0 to ±4,000Pa (4kPa) 10kP : 0 to ±10kPa 40kP: 0 to ±40kPa 100kP: 0 to ±100kPa 1MP: 0 to 1,000kPa (1MPa) * For medical use only, we can manufacture models in older units such as cmH2O and mmHg. Please contact us regarding products with other measurement units for overseas use.
② Additional specifications	TR: Traceability certificate issued (calibration certificate and system diagram) RF: Medical luer fitting type

Optional items sold separately

A variety of peripheral options are available.

Various pitot tubes
	Using a Pitot tube makes it possible to measure flow rate.

Various fittings

Reducer for different diameter tubes φ6 reducer Part number: 40445754	Fluid piping side one-touch fitting	Branch Union Y	Bamboo Shoot Nipple Fitting

Various hoses
	We offer a variety of tube hoses with different diameters, lengths, and materials.Urethane tube φ4×2m Part number: 40445752

Valves and Cocks
	There are three-way cocks that release residual pressure on the secondary side of the cock , and two-way cocks that only open and close.
	Switching valveThis valve can switch between two flow paths.

Various fittings

Rubber Pressure Pump	Manual Pressure Pump	U-Tube Manometer	Reference liquid column pressure gauge

Standard accessories

DMH-01 main unit x 1
Protective silicone cover for the main unit x 1
Urethane Tube Hose
- (Outer diameter φ4 x inner diameter φ2.5) 2m x 1 piece (The material of the tube for 1MPa is nylon. For differential pressure measurement, please cut it into two pieces.)
USB 2.0 cable for PC connection (mini-B type (male) x A type (male)) x 1
- (The USB cable is for data transmission only and cannot supply power to the device.)
Ferrite core magnet for the above USB cable x 1
2 AA alkaline batteries (for testing)
Included software HM Viewer TM and manual CD-ROM × 1
Dedicated carrying case x 1
Instruction manual, inspection report, warranty, calibration and repair request form x 1 each

External dimensions

Model name	DMH-01
Model	DMH-01-4kP	DMH-01-10kP	DMH-01-40kP	DMH-01-100kP	DMH-01-1MP
Measurement range	0 to ±4,000 Pa	0 to ±10kPa	0 to ±40kPa	0 to ±100kPa	0 to 1,000 kPa
Resolution	1Pa	0.01kPa	0.01kPa	0.1kPa	1kPa
Display pressure unit	Pa	kPa	kPa	kPa	kPa
Product code	11545515	11543517	11545518	11545519	1045520
JAN code	4560411140406	4560411140413	4560411140420	4560411140437	4560411140444
Sensors	MEMS semiconductor sensor
Measurement medium	Non-corrosive gases such as air, nitrogen, and oxygen
Accuracy	±0.5% F.S. (total error range after zero adjustment)
Sampling interval	10ms, 20ms, 50ms, 100ms, 200ms, 500ms, 1sec, 2sec, 5sec, 10sec, 30sec, 60sec, (12 steps)
Display method	4-digit 1.8-inch transflective LCD (with backlight on/off and 8-level brightness adjustment)
Function	Records measurement data in the main memory, HOLD, minimum/maximum/average value, zero adjustment, auto power off, PC connection
Operating environment	Temperature: 0 to 50°C, humidity: 35 to 85% (no freezing or condensation)
Storage environment	Temperature: -20 to 60°C, humidity: 10 to 95% (no freezing or condensation)
Pressure Connection Port	One-touch tube joint (tube outer diameter φ4mm)
Built-in memory capacity	16MB
External connection terminal	Mini USB port
Power supply	Batteries: 2 x AA alkaline batteries
Case Material	ABS resin
External dimensions	76(W) x 135(H) x 35(D) / 81(W) x 141(H) x 42.5(D) (body only/with cover attached, excluding protrusions)
Weight	Approx. 212g / Approx. 350g (Body only, excluding batteries / Including batteries and silicone cover)

Operating system	Windows 7 or later Windows OS
CPU and memory	There is no disruption to the operation of the OS being used.
Required hard disk space	The software itself is 3.3MB plus the capacity required to record measurement data.
display	A resolution of 800×600 or higher.

The post Kobata DMH-01 Series Portable Digital Manometer first appeared on Kouei Japan Trading | Get Quotation.

Kobata Explosion-proof Retrofit IoT Sensor Unit “Salta®-Ex”

kvt part2 — Wed, 24 Jun 2020 03:12:51 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Sensor Unit “Salta®-Ex”

Features

The world’s first intrinsically safe, retrofit IoT/DX sensor product is explosion-proof (special hazard area Zone 0). This product is suitable for dial-type (round pointer type) pressure gauges, thermometers, and other instruments installed in explosion-proof areas. The main body and battery section are separated, each featuring an intrinsically safe explosion-proof structure, which allows battery replacement within an explosion-proof area.

Equipped with both Bluetooth 5.1 and LoRa communication functions, you can choose based on communication distance and data transmission frequency. Any type with a central axis pointer and replaceable gauge glass (removable front cover) is compatible. Digitalize the instrument by attaching a magnet to the pointer shaft and replacing the glass with a resin glass integrated sensor unit.

Users can easily install it themselves without requiring any adjustments if installed in the position described in the instruction manual. For static pressure gauges (no pressure fluctuations), installation is possible even while the equipment is operating (when pressurized), eliminating the need to stop the machine. No power supply or wiring work is required as it is powered by a dedicated lithium battery with wireless transmission via BLE and LoRa.

With low power consumption, the battery life is approximately 4 years when transmitting LaRa communications at hourly intervals (reference value derived from accelerated testing). This product can be installed on instruments with sizes φ60, φ75, φ100, φ125, φ150, φ200, and φ300. The functionality of conventional mechanical instruments is not compromised (minimal visibility of the pointer), but DX functionality has been added.

The product holds uniqueness with registered domestic and international patents, as well as patents under review.

Specifications

Item	Specification
Explosion-proof Standard	IECEx (International)
Certification Number	IECEx CML 23JPN2410X
Dimensions	27×33×39mm
Weight	32.5±5g
Applicable Gauge Sizes	φ50, φ60, φ75, φ100, φ150, φ200mm
Storage Temperature	-10°C to +60°C, 85%RH or less
Operating Temperature	-10°C to +60°C, 85%RH or less
Voltage	2.0～3.4V
Communication	LoRa/Bluetooth 5.1
Battery Life	1 year or more *1
Dust & Waterproof Rating	Equivalent to IP65

The plate glass of an existing instrument can be replaced with the explosion-proof retrofit IoT sensor unit “Salta®-Ex” integrated with resin glass (Note 1), enabling the instrument to become IoT-enabled
(Note 1). Replacing the glass of a pressure gauge is considered a minor repair that can be replaced by the user under the Measurement Act.
The replacement of the dedicated lithium battery unit is an intrinsically safe explosion-proof structure, and it is possible to replace the battery in an explosion-proof area with Salta®-Ex still installed in the instrument. The
transparent resin glass can be made of acrylic, PVC, or polycarbonate depending on the application.

Explosion-proof

Display Item	Symbol	Meaning of Symbol
Explosion-proof Structure	Ex	Constructed according to IEC standards for explosion-proof structures
Explosion-proof Type (Example)	ia	Intrinsic safety explosion-proof structure
Explosion-proof Electrical Apparatus Group	IIC	Suitable for gas or vapor in group IIC
Explosion-proof Electrical Apparatus Temperature Class	T5	Maximum surface temperature is 100°C or less
Explosion-proof Electrical Apparatus Protection Level (EPL)	Ga	Equipment with extremely high protection level, used in explosive gas atmospheres during normal operation. No ignition sources present during normal operation, even with internal equipment faults.
Explosion-proof Structure	Ex	Constructed according to IEC standards for explosion-proof structures
Explosion-proof Type (Example)	ia	Intrinsic safety explosion-proof structure
Explosion-proof Electrical Apparatus Group	IIIC	Suitable for conductive dust (electrical resistance 1kΩ·m or less)
Explosion-proof Electrical Apparatus Temperature Class	T85°C	Maximum surface temperature under the specified test conditions is 85°C or less
Explosion-proof Electrical Apparatus Protection Level (EPL)	Da	Equipment with extremely high protection level, used in explosive dust atmospheres during normal operation. No ignition sources present during normal operation, even with internal equipment faults.

Model designation format

Series name

Parameter	Specification
Nominal Diameter	60: φ60 75: φ75 100: φ100 125: φ125 150: φ150 200: φ200 300: φ300 Mountable on φ50 instruments but visibility may be compromised. φ50, φ125, φ200, and φ300 are semi-standard products. Contact us for more information."}"> 50: φ50 60: φ60 75: φ75 100: φ100 125: φ125 150: φ150 200: φ200 300: φ300 Mountable on φ50 instruments but visibility may be compromised. φ50, φ125, φ200, and φ300 are semi-standard products. Contact us for more information.
Pipe/Glass Material	SPV: ASA pipe/PVC (vinyl chloride) glass SPC: ASA pipe/polycarbonate glass"}"> SAC: ASA pipe/acrylic glass SPV: ASA pipe/PVC (vinyl chloride) glass SPC: ASA pipe/polycarbonate glass
Resin Glass Outer Diameter/Thickness	Standard example φ101×2t"}">Actual size Standard example φ101×2t

External dimensions (sensor part only)

Free standard software included: Desktop Salta®

You can try out DX right away by using the software “Desktop Salta®” included in the standard bundle!
You can use it immediately with a computer or tablet equipped with Bluetooth and running Windows 10 or 11 (64-bit only).
Bluetooth data reception is possible for multiple Salta® devices.
Up to 10 instruments can be monitored on one screen. (The screen can be displayed by switching tabs for group settings.)
It is possible to display the instrument name, measurement value, battery voltage value, BD address for Bluetooth identification, and battery remaining capacity icon.
List display function: You can select between displaying gauge dials and graphs, and you can change the display position of the gauges by dragging and dropping them.
Alert display function: By setting upper and lower thresholds, the color of the gauge on the list screen can be changed to any color depending on the threshold.
Enlarged graph display function: Measurement data from any instrument can be displayed in a graph.
Data logging function: Measurement data is saved in CSV format (tabular text file) on the PC/tablet’s hard disk, SSD, SD card, or other media.
Report function: Saved data can be output for any period of time, allowing for secondary use such as detailed analysis and processing using spreadsheet software, etc.

“Desktop Salta®” system usage requirements

Item	Description
OS	Windows 11 64Bit 1"}">Windows 10 64Bit 1 Windows 11 64Bit *1
Processor	1 GHz or faster with 2 or more cores 64-bit compatible processor or SoC 3"}"> 1 GHz or faster 64-bit compatible processor or SoC 2 1 GHz or faster with 2 or more cores 64-bit compatible processor or SoC *3
Memory	4GB or more 3"}">2GB or more 2 4GB or more *3
Disk Capacity	64GB or more 3"}">20GB or more 2 64GB or more *3
Display	1280 * 720 or higher *4
Bluetooth	Bluetooth 4.2 or later, compatible with GATT profile

*1 Not compatible with 32bit OS.
*2 The above is based on the system requirements for Windows 10.
*3 The above is based on the system requirements for Windows 11.
*4 Recommended sizes are 1280 * 720, 1366 * 768, 1920 * 1080.

Use Cases

System configuration example

Patrol inspection and remote monitoring can be used together. (The reception standby time during patrol inspection depends on the transmission interval.)
Even if patrol frequency decreases, monitoring accuracy improves, and automatic meter reading eliminates reading errors, saving labor.
Automatic meter reading from a distance reduces the risk of inspection work on instruments at high places or in dark places.
When the data transmitted from “Salta®-Ex” via BLE or LoRa reaches a non-explosion-proof area, it is relayed to a non-explosion-proof repeater or gateway, and in large explosion-proof areas, it can be relayed to an explosion-proof repeater, etc. , allowing long-distance communication.
Cloud connection is possible via public wireless internet lines from a gateway equipped with a SIM card.
It is possible to import data into a PLC and link with on-premise systems.

The post Kobata Explosion-proof Retrofit IoT Sensor Unit “Salta®-Ex” first appeared on Kouei Japan Trading | Get Quotation.

Kobata Retrofit IoT Sensor Unit “Salta®”

kvt part2 — Wed, 24 Jun 2020 02:31:35 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Retrofit IoT Sensor Unit “Salta®”

Easily retrofit mechanical gauges such as Bourdon tube pressure gauges, dial thermometers, and pressure level gauges for digitalization!!
Simply attach a magnet to the central axis of the instrument’s pointer and replace the front glass plate with a unit that has a built-in plastic glass-integrated pointer reading sensor and a BLE wireless module.
Users can easily install it on existing equipment already in operation, enabling IoT/DX of mechanical instruments.
The product name, Salta® , is an abbreviation of the English words Sensor add – on lead to action , and conveys the meaning of “adding sensors to lead (conservation) activities.”

Features

You can easily install this retrofit IoT/DX product on existing equipment, allowing you to start right away with the included software. This product is suitable for mechanical instruments such as Bourdon tube pressure gauges, bimetal thermometers, and other dial-type (round pointer type) gauges. Any type with a central axis pointer and replaceable gauge glass (removable front cover) is compatible.

To digitalize the instrument, simply attach a magnet to the pointer shaft and replace the glass with a resin glass integrated sensor unit. Users can easily install it themselves without any adjustment if they follow the position described in the instruction manual. For static pressure gauges (no pressure fluctuations), installation is possible even while the equipment is operating (when pressurized), eliminating the need to stop the machine.

No power supply or wiring work is required as the unit is powered by a lithium coin battery (CR2032) and uses wireless transmission via BLE. The low power consumption design ensures a battery life of approximately 1 year when transmitting every 15 seconds (theoretical value; actual battery life may vary depending on usage conditions).

Specifications

Parameter	Specification
Applicable Gauges	Diameter 60mm, 75mm, 100mm, 150mm, 200mm, 300mm round gauges
Accuracy	±1.6% F.S.
Sensor	TMR magnetic sensor
Battery Used	CR-2032
Battery Life	1 year (when data is sent every 15 seconds)
Communication Method	BLE (Bluetooth 4.2)
Communication Range	Within approx. 10m
Storage Temperature	-20°C to 70°C
Operating Temperature	-10°C to 60°C
Dust & Waterproof Rating	Equivalent to IP65

By replacing the plate glass of an existing instrument with the retrofit IoT sensor unit “Salta®” integrated with resin glass (Note 1), you can transform the instrument into an IoT device. According to the Measurement Act, replacing the glass of a pressure gauge is considered a minor repair that users can perform.

To replace the lithium coin battery, simply remove the front cover cap of the Salta case and insert the battery vertically from the front. The case, made of ASA flame retardant material, offers high weather resistance. For outdoor use, select a vent-compatible product to prevent pressure changes inside the case due to temperature fluctuations. Depending on the application, the transparent resin glass can be made of either acrylic or PVC.

Model designation format

Parameter	Specification
Nominal Diameter	60: φ60 75: φ75 100: φ100 125: φ125 150: φ150 200: φ200 300: φ300"}">50: φ50 60: φ60 75: φ75 100: φ100 25: φ125 150: φ150 200: φ200 300: φ300
Pipe/Glass Material	SPV: ASA pipe/PVC (vinyl chloride) glass SPC: ASA pipe/polycarbonate glass"}"> SAC: ASA pipe/acrylic glass SPV: ASA pipe/PVC (vinyl chloride) glass SPC: ASA pipe/polycarbonate glass
Vent Filter	V: With (For outdoor specifications, please specify with vent filter)"}">Blank: None V: With (For outdoor specifications, please specify with vent filter)
Resin Glass Outer Diameter/Thickness	Standard Example φ101×2t"}">Actual Size Standard Example φ101×2t

External dimensions

Free standard software included: Desktop Salta®

You can try out DX right away by using the software “Desktop Salta®” included in the standard bundle!
You can use it immediately with a computer or tablet equipped with Bluetooth and running Windows 10 or 11 (64-bit only).
Bluetooth data reception is possible for multiple Salta® devices.
Up to 10 instruments can be monitored on one screen. (The screen can be displayed by switching tabs for group settings.)
It is possible to display the instrument name, measurement value, battery voltage value, BD address for Bluetooth identification, and battery remaining capacity icon.
List display function: You can select between displaying gauge dials and graphs, and you can change the display position of the gauges by dragging and dropping them.
Alert display function: By setting upper and lower thresholds, the color of the gauge on the list screen can be changed to any color depending on the threshold.
Enlarged graph display function: Measurement data from any instrument can be displayed in a graph.
Data logging function: Measurement data is saved in CSV format (tabular text file) on the PC/tablet’s hard disk, SSD, SD card, or other media.
Report function: Saved data can be output for any period of time, allowing for secondary use such as detailed analysis and processing using spreadsheet software, etc.

“Desktop Salta®” system usage requirements

Item	Description
OS	Windows 10 64Bit *1	Windows 11 64Bit *1
Processor	1 GHz or faster 64-bit compatible processor or SoC *2	1 GHz or faster with 2 or more cores 64-bit compatible processor or SoC *3
Memory	2GB or more *2	4GB or more *3
Disk Capacity	20GB or more *2	64GB or more *3
Display	1280 * 720 or higher *4
Bluetooth	Bluetooth 4.2 or later, compatible with GATT profile

Use Cases

System configuration example

Patrol inspection and remote monitoring can be used together. (The reception standby time during patrol inspection depends on the transmission interval.)
Even if patrol frequency decreases, monitoring accuracy improves, and automatic meter reading eliminates reading errors, saving labor.
Automatic meter reading from a distance reduces the risk of inspection work on instruments at high places or in dark places.
Long-distance communication is possible by using a relay router that converts the BLE transmission data from “Salta®” to LPWA such as LoRa.
Cloud connection is possible via public wireless internet lines from a gateway equipped with a SIM card.
It is possible to import data into a PLC and link with on-premise systems.

The post Kobata Retrofit IoT Sensor Unit “Salta®” first appeared on Kouei Japan Trading | Get Quotation.

Kobata Damper Siphon Packing

kvt part2 — Wed, 24 Jun 2020 02:24:51 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Damper Siphon Packing

Valves, Cocks, Joints Accessories Of Pressure Gauges( Dampeners, Siphons, Packings)

Damper

Used to relieve pulsating pressure.

Pipe Siphon

Used for steam pressure measurement or when the object to be measured is at high (low) temperature.

Tank Siphon

Used for replacing the measured fluid or for measuring oil-free steam pressure below 100°C.

Packing

Copper/SUS flat packing, copper/SUS lens packing, Teflon packing, and various leather packings are available in 1/4, 3/8, and 1/2 sizes.

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Kobata Accessories Of Pressure Gauges (Valves, Cocks, Joints）

kvt part2 — Wed, 24 Jun 2020 02:19:41 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Accessories Of Pressure Gauges

Product Info

Valves and Cocks

Used to temporarily stop the measurement fluid during maintenance, inspection, and repair of the pressure gauge.

Joints

Used for connecting dissimilar threads, different diameter threads, and pipes.

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Kobata DT-5, DM-5 Digital Panel Meters

kvt part2 — Wed, 24 Jun 2020 02:05:18 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DT-5, DM-5

Digital Panel Meters Digital Indicators ( Indicating Controllers)

This digital panel meter comes in two models: the DT-5 for display only and the DM-5 with a built-in comparator and amplifier. Each model works with output signals from various transmitters and unifies conventional indications of pressure, vacuum, differential pressure, liquid level, rotation angle, inclination, and specific gravity into the same shape. This design provides high performance, affordability, and versatility, and each model features its own unit display nameplate.

Product Specifications

Item/Model		DT-5 type	DM-5 type
Input		Combined with transmitter (Example) DC4-20mA, 2KΩ, Pt100Ω, etc.
Instructions	Instruction method	7-segment LED 3 3/4 digits
	Indication range	max 2999
	Indication accuracy	0.2% of F.S. + 1 digit
alarm	Setpoint	–	2 points (upper limit, lower limit)
	Setting method	–	Use push buttons and trimmers to set the value while checking the indicator.
	Indication range	–	Same as indication range
	Indication accuracy	–	Same as indication range
	Hysteresis Width	–	0.2% or less of F.S.
	output	–	Relay contact (both upper and lower limits) 1A-250V (low load)
Power-supply voltage		AC 100/110V, 200/220V, 50/60Hz (DC 24V)
Power supply voltage fluctuation		Within ±10% of rated voltage
Voltage Consumption		About 3VA	About 3.5VA
Ambient temperature		0 to 60°C
weight		Approximately 430g	Approximately 670g

*Please specify the decimal point. Optional measurement output and DC24V current are also available.

Product Drawing

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Kobata Thermocouples And Resistance Thermometers

kvt part2 — Wed, 24 Jun 2020 02:00:17 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Thermocouples And Resistance Thermometers

Temperature sensors (thermocouples and resistance bulbs) Thermosensors ( Thermocouples resistance bulbs)

The temperature sensor faithfully converts changes in the measured temperature into a standard electric signal (4-20mA). It is effectively used for remote monitoring, control, and processing of temperature, as well as for generating abnormality alarms. Additionally, you can select the shape, dimensions, and material based on the measured temperature, the condition of the object, the atmosphere at the measurement point, and the installation location.

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Kobata Rod-shaped Thermometers With Protective Frame Thermometers

kvt part2 — Wed, 24 Jun 2020 01:52:06 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Rod-shaped Thermometers

Product Info

This thermometer can measure a wide range of temperatures, including water, oil, and furnace temperatures. For low temperatures (150°C or less), the thermometer uses alcohol, while for high temperatures (151°C or more), it uses mercury. Additionally, you can select materials for the temperature sensor, such as brass or stainless steel, based on your specific requirements.

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Kobata Liquid-filled Thermometers Indicating Thermometers

kvt part2 — Wed, 24 Jun 2020 01:25:41 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Thermometers

This indicating thermometer, a liquid-filled pressure type, operates on the principle that a filled liquid expands and contracts with temperature changes.

There are two types: the mercury-filled types, which therefore contain mercury, and the non-mercury-filled types, which instead use non-mercury organic liquid.

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Kobata Bimetal Thermometers

kvt part2 — Wed, 24 Jun 2020 01:10:38 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Bimetal Thermometers

Product Info

The bimetal thermometer has a simple structure that uses a helically wound bimetal (a laminate of two metal plates with different thermal expansion coefficients) and is a highly durable thermometer that uses a pointer to magnify and indicate temperature fluctuations.

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Kobata FS Series Float Switch

kvt part2 — Mon, 22 Jun 2020 03:51:13 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: FS Series: FS-1, FS-1G, FS-SB

Product Information

Float Switch Model: FS-SB Type, FS-B Type (MODEL TYPE: FS-SB, FS-B)

This durable and reliable float switch uses a reed switch to control the liquid level in tanks of water, oil, chemicals, and more. You can control up to four contact points upon request. Additionally, you can change specifications such as the liquid contact material and mounting structure depending on the application.

General-Purpose Small Float Switch Model: FS-1 Type (MODEL TYPE: FS-1)

This compact and low-cost float switch offers general-purpose functionality.

Compact Float Switch for High Temperature and Pressure Model: FS-1G Type (MODEL TYPE: FS-1G)

This compact float switch handles high temperatures and pressures effectively. It offers practical pressure resistance up to 3.5MPa and practical temperature resistance up to 150℃. The all stainless steel body ensures excellent corrosion resistance.

Product Specifications

Model	Mounting Type	Number of contacts	Main Component Materials	Float Material	Electrical Rating	remarks
FS-1	Screw-in type	1	Brass/ Chrome Plated	Special Synthetic Resin	100VA	By swapping the floats, it will have ON, OFF and reverse action.
	R 3/8
FS-1G	Screw-mount type	1	SUS	SUS	〃	Practical pressure resistance: up to 3.5MPa High temperature resistance: up to 150℃
	G1/8B
FS-SB	Flange Type	1-4	Stainless steel , PVC	Special synthetic resin SUS, PVC	〃
	JIS
	0.5MPa

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Kobata FS-10 Sidewall Float Switch

kvt part2 — Mon, 22 Jun 2020 03:47:41 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: FS-10

Product Information

Model: FS-10 type (MODEL TYPE: FS-10)

This float switch can be installed from the side of the tank when the tank volume is large and it is difficult to install a vertical float switch. By using this in such a case, installation and maintenance work become easier, and a compact switch can be used. Please select the mounting flange according to the JIS standard according to your specifications. The
electrical contact is a position contact, and ON/OFF can be changed by rotating the main body 180° and installing it.

Product Drawing

External dimensions

Note: The mounting flange is JIS-5K-50A as standard, but it can be replaced upon request.

Operation diagram

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Kobata Level Gauges

kvt part2 — Mon, 22 Jun 2020 03:41:20 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product name: Level Gauges

Product Information

Uses and Features

This level gauge converts the pressure of the measured liquid (liquid level x liquid specific gravity) into tank liquid level (m) and tank capacity (m3) and displays both a liquid column scale and liquid volume scale. It is mainly used for heavy oil, fuel, and drinking water tanks on marine tankers.

The pressure receiver is installed at the bottom of the tank, so please choose between direct pressure and remote pressure depending on the tank specifications. The pointer is zero-adjustable, so it is possible to correct temperature errors, etc. We can also manufacture a product with contacts upon request. This product is certified by Nippon Kaiji Kyokai (NK).

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Kobata DMC Type Differential Pressure Relay

kvt part2 — Mon, 22 Jun 2020 03:36:11 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DMC type

Product Information

PRESSURE GAUGES WITH ELECTRIC CONTACT (MICRO SWITCH TYPE) (DIFFERENTIAL PRESSURE RELAYS)

This differential pressure gauge with contacts integrates a mechanical contact mechanism into the differential pressure indicator. Utilizing a combination of carefully selected Bourdon tubes, diaphragms, bellows, and micro switches, our unique mechanism detects and indicates the pressure difference between various points, opening and closing the micro switch when the differential pressure reaches the preset value. Compared to the pointer contact type, this gauge provides more accurate indications and offers excellent performance for alarm control due to its large contact capacity.

Product Specifications

Size	Diameter of scale plate: φ200mm
Contact Capacity	A.C. 125V15A
ground	JIS-F880115C
Connection Screw	P. F3/8
accuracy	±1.5% F. S
Normal Reference Pressure	MAX. 0～1MPa
Differential pressure scale range	1/20 to 1/5 of normal reference pressure
Paint color	Black semi-gloss

Product Drawing

Differential pressure relay external dimensions

Adjusting Settings

This can be easily done by rotating the setting screw from outside with a screwdriver.

Terminal code and wiring/operation

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Kobata DPA22 Diffrential Pressure Switches

kvt part2 — Mon, 22 Jun 2020 03:31:31 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DPA22

Product Information

Model: DPA22 type (MODEL TYPE: DPA22)

This differential pressure switch is assembled into a unique mechanism using two Bourdon tubes that receive two different pressures and one micro switch to sensitively detect the minute pressure difference between the two pressures, and is an excellent, high-performance switch with excellent vibration resistance that opens and closes one electrical circuit when the differential pressure reaches the desired preset value.

Differential pressure setting method

The differential pressure value can be easily set by turning the differential pressure setting knob and aligning the setting pointer with the upper limit scale value.

Product Specifications

Pressure resistance MPa	Differential pressure Setting scale MPa	Minimum dead band MPa	Wire through fittings	Connection port screw	Contact Capacity
0.5	～0.1	0.01	JIS-F8801 15a or 20a	G 3/8B or G1/2B male thread	AC15A 125V 250V
1	～0.2	0.015
1.5	～0.3	0.02
2	～0.4	0.025
3	～0.6	0.03
Five	～1	0.05
7	～1.5	0.06
Ten	～2	0.25
15	～3	0.3
twenty five	～5	0.5

*This table shows an example. Please contact us for anything other than this table.

Product Drawing

External dimensions

Example of wiring circuit operation

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Kobata Duplex Gauges

kvt part2 — Mon, 22 Jun 2020 03:26:55 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product Name: Duplex Gauges

Product Information

This pressure gauge can measure and indicate pressure at two locations simultaneously within the same instrument. It is used when installation space is limited, or to compare pressure between two systems. It is also known as a “train gauge” because it is generally used for braking railway vehicles. It can also be used as a differential pressure gauge by reading the pressure difference between the two systems from the two concentric rotating pointers.

Product Specifications

Model	A type, B type, C type, D type
size	φ100 (scale plate diameter)
Pressure Range	Various types from 0 to 100MPa
Connection Screw	G3/8B R3/8 (U-shaped)

Double Needle Pressure Gauge Product Drawing

Double needle pressure gauge external dimensions

Note: The D-type mounting bracket is an optional accessory.

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Kobata DPGN, DPGD Differential Pressure Gauges

kvt part2 — Mon, 22 Jun 2020 01:43:54 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DPGN, DPGD

Product Information

Model: DPGN type, DPGD type (MODEL TYPE: DPGN, DPGD)

This differential pressure gauge features two Bourdon tubes as the pressure receiving element, measuring and indicating the pressure difference between two locations. The NV type incorporates our unique overpressure prevention mechanism, ensuring you can use it confidently without worrying about instrument damage due to overpressure from improper opening and closing of the bypass valve (pressure equalizing valve). We also manufacture the SUS type and remote diaphragm type for the main parts, accommodating various usage conditions such as specified fluids.

Furthermore, we offer two types of cases: the indoor Wappa type and the outdoor type with a dustproof and drip-proof structure. As a special specification, the gauge can function as a flow meter, indicating the liquid level in a sealed tank or converting the flow rate using the conversion scale.

Product Specifications

size	φ150, φ200
shape	DPGN type (wall-mounted type), DPGD type (embedded type)
Normal reference pressure	Various pressures from 0 to 0.1 MPa to 0 to 8 MPa (up to 3.5 MPa is standard for liquid-contacting SUS specifications)
Differential pressure maximum scale	1/3 or 1/5 of the normal reference pressure
Instruction format	Concentric type (270° scale)	When the maximum differential pressure scale is 1/3 of the normal reference pressure
	Eccentric type (90° scale)	When the maximum differential pressure scale is 1/5 of the normal reference pressure
Connection	G3/8B, G1/2B or diaphragm type (please consult us regarding the shape and material of the flange and diaphragm)
Differential pressure indication accuracy	Within ±1.5% of maximum scale
Reproducibility	Within ±1% of maximum scale
element	Bourdon tube
Wetted Parts Material	Bourdon tube	C6872T, SUS316
	Connection stock	C3604BD, SUS316
Case	structure	Wappa type (indoor type), metal sealed screw lid type (outdoor type)
	Material	AC7A
	Exterior	Black semi-gloss baked finish
Permitted ambient temperature	-5 to 45°C

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Kobata HTG Series Breath Pressure Gauge High Tone Gauge

kvt part2 — Sun, 21 Jun 2020 06:59:37 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: HTG Series: HTG-50-1, HTG-50-2, HTG-50-3, HTG-50-4

Product Information

HIGH TONE GAUGE measures expiratory pressure by blowing air into the tip of the tube. It measures the maximum pressure attained and provides data in kPa (kilopascal). This data serves as a benchmark to improve wind instrument performance, such as playing the trumpet, by indicating the player’s potential to produce high tones.

Furthermore, lack of exercise and aging can lead to shallow breathing and a decline in respiratory capacity. Using the HIGH TONE GAUGE to monitor expiratory pressure can help in maintaining proper breathing capacity by providing numerical feedback from training.

Note 1: For more details, please refer to the website of the musical instrument shop “M. Glory” (President Kiyoshi Fujiwara).

Features

The device holds the maximum value of expiratory pressure. You can record the instantaneous maximum value later. The included mini tripod also works with a digital camera. The high-precision, high-response pressure gauge quickly and accurately displays changes in expiratory pressure.

Types & Specifications

Name	High Tone Gauge 501	High Tone Gauge 502	High Tone Gauge 503	High Tone Gauge 504
Model	HTG-50-1	HTG-50-2	HTG-50-3	HTG-50-4
MAX-P Hold	with	with	without	without
Mini Tripod	with	without	with	without

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Kobata MC Type Pressure Relay

kvt part2 — Sun, 21 Jun 2020 06:49:54 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Moedel: MC Type

Product Info

Model: MC Type (MODEL TYPE: MC)

This pressure gauge with contacts incorporates a mechanical contact mechanism into the indicator. It uses a carefully selected Bourdon tube and a micro switch, combined with our unique mechanism to constantly indicate an accurate pressure value while opening and closing an electric circuit at a preset pressure value (1 or 2 places) when the pressure rises or falls. Compared to the pointer contact type (contact switch type), it provides more accurate indication, a larger contact capacity, instantaneous opening and closing action, and better vibration resistance, making it suitable for alarms and controls.

Features

Check and control pressure directly at the measurement site.
The large contact capacity allows for direct control of devices.
Independent elements for indication and contact ensure accurate indication after switching.
Separate indication and setting scales allow for customized settings.

Settings Adjustment

Adjust settings easily by turning the setting screw with a screwdriver.

Product Drawing

Pressure relay external dimensional diagram

Terminal code and wiring/operation

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Kobata Contact Pressure Gauge

kvt part2 — Sun, 21 Jun 2020 06:42:13 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Contact Pressure Gauge

Product Info

This pressure gauge includes a contact-type electrical contact on the pointer of the Bourdon tube pressure gauge. It measures pressure and simultaneously opens or closes the electrical circuit, making it widely used as an alarm for abnormal pressure. It comes in two types: one-contact type (upper limit, lower limit) and two-contact types (upper and lower limits, upper upper limit, lower lower limit).

How to Set Up

Set the desired pressure easily by turning the setting knob in the center of the indicator. Connect the electrical wiring to the terminal on the side of the indicator or the terminal inside the terminal box.

Product Specifications

Size	φ100, φ150
format	A type, B type, D type
Pressure Range	0 to 1000MPa
Contact Type	a. b contact (N.O, N.C)
Number of contacts	1 or 2
Contact Capacity	100V 0.3A
Structure	Resin sealed drip-proof type with terminal box

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Kobata U-Tube Manometer

kvt part2 — Sun, 21 Jun 2020 06:36:15 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: U-Tube : UA series, UB series, UP series

Product Info

Model: UA Series (MODEL TYPE: UA)

The UA series features a simple design with a wooden base, a scale, and a tempered glass tube. It includes options for a glass cock and a drain port where a pinch cock can be installed.

Model: UB Series (MODEL TYPE: UB)

The UB series offers a robust design with a metal case, allowing for the installation of various fittings to connect to piping.

Model: UP Series (MODEL TYPE: UP)

The UP series presents a sophisticated design with an integrated base plate and scale, featuring a ±1.3kPa scale.

Specifications

Model: UA series (MODEL TYPE: UA)

Base plate	Lauan wood 15t varnished
U-shaped tube	PYLEX Φ10×6
Scale plate	Aluminum plate, white background with black graduations
Minimum scale	0.02kPa (2mm)
cover	1.5t transparent acrylic (optional)

Model: UB series (MODEL TYPE: UB

Base plate	Aluminum frame, gray baked finish 4t×30/30×60w
Upper and lower blocks	PVC grey color
Gauge tube	PYLEX Φ10×6
Scale plate	Aluminum plate, white background with black graduations
Minimum scale	0.02kPa (2mm)
cover	1.5t transparent acrylic (optional)

Model: UP series (MODEL TYPE: UP)

Base plate	Aluminum (scale integrated) 10t×30/30×55w
Upper and lower blocks	acrylic
Gauge tube	ACRYL Φ10×6
scale	±1.3kPa

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Kobata Pressure Tester

kvt part2 — Sun, 21 Jun 2020 06:31:16 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Pressure Tester

Product Info

Standard Deadweight Tester (Portable Pressure Tester)

The standard deadweight tester, widely used for measuring reference pressures of 0.2MPa or more, primarily handles hydraulic pressure. It performs control tests using weights or standard gauges. The KPH-1 model includes an overpressure protector.

Standard Deadweight Tester (Tabletop Pressure Tester)

Designed for medium pressure, the tabletop standard deadweight tester sits conveniently on a desk. All rams feature an overpressure prevention device.

Standard Deadweight Tester (High Pressure Tester)

The high-pressure tester, a floor-mounted type, mainly serves high voltage testing needs.

Standard Liquid Column Pressure Gauge (Vacuum/Low Pressure Tester)

The standard liquid column pressure gauge is used for comparison testing with a water or mercury column, ideal for standard measurements of low pressure (0 to 0.2 MPa) and vacuum (-0.1 MPa to 0). Depending on the application, choose between a manual tabletop model or a stationary model that offers both manual and powered options.

Product Specifications

Breakdown/Model		Split-body type
Measurement range	Maximum (MPa)	30	20	Ten
Measurement range	Lowest ( 〃 )	1	1	0.2
Minimum division within the measurement range (〃)		0.5	0.1	0.1
Ram’s cross section			1/4 ^cm2
Ram diameter			5,642 mm
Split Body	Ram indication (MPa) 0.1		0.1	0.1
	Same Same ( Same ) 0.5	0.1
	Circular torso (mm) 0.5
	Same ( Same ) 0.1		0.2	0.2
	Same ( Same ) 0.2		0.1	0.1
	Same ( Same ) 0.5	0.1	0.1	0.1
	〃 ( 〃 ) 1	0.2	0.1	0.9
	〃 ( 〃 ) 2	0.1	0.9
	Same ( Same ) 2.5	1
	Total of divided barrel display amount (MPa)	30	20	Ten

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Kobata DT-5, DM-5 Digital Panel Meters Digital Indicators (Indicating Controllers)

kvt part2 — Sun, 21 Jun 2020 06:24:56 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: DT-5, DM-5

Product Info

This digital panel meter comes in two models: the DT-5, designed for display only, and the DM-5, equipped with a built-in comparator and amplifier. Both models can be combined to match output signals from various transmitters. It unifies conventional indications of pressure, vacuum, differential pressure, liquid level, rotation angle, inclination, specific gravity, and more into a single shape. This meter offers high performance, low cost, and versatility. Each model includes its own unit display nameplate.

Product Specifications

Item/Model		DT-5 type	DM-5 type
Input		Combined with transmitter (Example) DC4-20mA, 2KΩ, Pt100Ω, etc.
Instructions	Instruction method	7-segment LED 3 3/4 digits
	Indication range	max 2999
	Indication accuracy	0.2% of F.S. + 1 digit
alarm	Setpoint	–	2 points (upper limit, lower limit)
	Setting method	–	Use push buttons and trimmers to set the value while checking the indicator.
	Indication range	–	Same as indication range
	Indication accuracy	–	Same as indication range
	Hysteresis Width	–	0.2% or less of F.S.
	output	–	Relay contact (both upper and lower limits) 1A-250V (low load)
Power-supply voltage		AC 100/110V, 200/220V, 50/60Hz (DC 24V)
Power supply voltage fluctuation		Within ±10% of rated voltage
Voltage Consumption		About 3VA	About 3.5VA
Ambient temperature		0 to 60°C
weight		Approximately 430g	Approximately 670g

*Please specify the decimal point. Optional measurement output and DC24V current are also available.

Product Drawing

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Kobata PB-2L, PB-4L Pressure Transmitters

kvt part2 — Sun, 21 Jun 2020 06:20:03 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: PB-2L, PB-4L

Product Info

Model: PB-2L, PB-4L

The electric pressure gauge (PB-2L, PB-4L) effectively converts changes in measured pressure into a standard electric signal (4-20mA), making it ideal for remote monitoring, control, and pressure processing, as well as for generating abnormal alarms. Both the PB-2L and PB-4L cater to general industrial measurement needs and are also suitable for marine use. The containers, crafted from aluminum cast, ensure the devices are waterproof, lightweight, and compact.

These pressure transmission devices include a high-quality Bourdon tube that converts pressure changes into displacement. Additionally, they feature an electric displacement meter (LINEARIZER) that translates this displacement into a standard electric signal, with various reliable electronic circuits compactly integrated. Consequently, the PB-2L and PB-4L pressure transmitters accurately measure changes in received pressure as a standard electric signal of 4 to 20mA. Moreover, the pressure transmitter’s external load resistance remains constant current up to 400Ω.

Specifications

Power supply	DC24V ±10% (PB-2L)
Power supply	AC100V±10%, AC200V±10% (PB-4L)
Output Signal	4 to 20mA
Operating temperature limit	0 to 55°C
Low load	0 to 400 ohms
accuracy	Within 0.5% (FS)
Reproducibility	Within 0.3% (FS)
sensitivity	Within 0.03% (FS)
power consumption	0.4VA (PB-2L), 0.6VA (PB-4L)
Shock resistance	Within 15G
Resonance point	120Hz or higher
Insulated low well	20MΩ or higher
Withstand voltage	1,500V for 1 minute, between input terminal and case
weight	1.4kg (PB-2L), 1.5kg (PB-4L)
Paint color	Munsell 7.5BG

Product Drawing

For wiring PB-2L, please use CVVS-2core that is compatible with 15C ground.
For wiring PB-4L, please use CVVS-2core that is compatible with 15C ground.

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Kobata PW110, PS110 Square Type Pressure Gauges

kvt part2 — Sun, 21 Jun 2020 06:09:44 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: PW110, PS110

Product Info

Model: PW110, PS110

This pressure gauge features an electric meter type frame, similar to a general pressure gauge, and suits panel instrumentation well. It incorporates a Bourdon tube as the pressure receiving element, thus providing performance and characteristics equivalent to a general pressure gauge. Furthermore, we offer two types: the PS110 type, designed for measuring pressure in a single system, and the PW110 type, which is a twin needle gauge for measuring pressure in two different systems. The PS110 type also includes options for a residual needle and a guide needle.

Specifications

Model	・PS type (single needle type), ・PW type (two needle type)
Size	□110
Connection Screw	G3/8B, G1/2B
Case Construction	・Case: AD7C, ・Cover: Resin
Exterior	Black, green
Pressure Range	PS type	Various types from 0 to 100MPa
	PW type	Various from 0 to 5MPa

Product Drawing

Square pressure gauge external dimensions

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Kobata Duplex Gauges

kvt part2 — Sun, 21 Jun 2020 06:05:53 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Duplex Gauges

Product Info

Specifications

Model	A type, B type, C type, D type
size	φ100 (scale plate diameter)
Pressure Range	Various types from 0 to 100MPa
Connection Screw	G3/8B R3/8 (U-shaped)

Double Needle Pressure Gauge Product Drawing

Double needle pressure gauge external dimensions

Note: The D-type mounting bracket is an optional accessory.

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Kobata Leave Behind Pointer Pressure Gauges, Set Pointer Pressure Gauges

kvt part2 — Sun, 21 Jun 2020 03:59:51 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Leave Behind Pointer Pressure Gauges, Set Pointer Pressure Gauges

Product Info

LEAVE BEHIND POINTER PRESSURE GAUGES

This pressure gauge is equipped with a maximum indicator needle (red) like a general pressure gauge, and is designed to always indicate the maximum pressure as the pressure increases and to retain the pointer when the pressure drops.
This makes it easy to read the maximum pressure. The pointer can be reset to zero by turning the reset knob on the front.

SET POINTER PRESSURE GAUGES

This pressure gauge is a general pressure gauge equipped with a reference needle, which indicates the point of a certain pressure as a guide. The reference needle can be set by turning the knob on the front.

Product Specifications

Model	A type, B type, D type
Size	φ75, φ100, φ125, φ150, φ200
Pressure Range	Various types from 0 to 200MPa
Connection Screw	G3/8B, G1/2B R3/8, R1/2

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Kobata Stainless Pressure Gauges

kvt part2 — Sun, 21 Jun 2020 03:56:05 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Stainless Pressure Gauges

Product Info

The main parts of a general pressure gauge (wetted parts – pressure receiving element and stock) are made of copper alloy and alloy steel, so they are not suitable for measuring corrosive fluids. For measuring corrosive fluids, please use a stainless steel pressure gauge with excellent corrosion resistance. All wetted parts of this device are made of SUS304 or SUS316. We can also manufacture all-SUS pressure gauges and sanitary pressure gauges.

Product Specifications

Model	Type A, Type B, Type D
Size	φ60 φ75 φ100 (scale plate diameter)
Pressure Range	Various types from 0 to 50 MPa
Connection Screw	G1/4B, G3/8B, G1/2B (R1/4, R3/8, R1/2)

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Kobata Miniature Type Presure Gauges

kvt part2 — Sun, 21 Jun 2020 03:49:49 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Miniature Type Presure Gauges

Product Info

A small, lightweight pressure gauge used to measure the pressure of small equipment and pneumatic equipment with limited installation space.
A type D4 type

Specifications

Size	φ40	φ50
Format	AT D4T	AT D4T
Connection screw	R 1/8 R 1/4	R 1/8 R 1/4 G 1/4B
Case Construction	Wappa type Material: SPCC
Exterior	Case: semi-gloss black paint, cover: chrome plating
Accuracy Class	Grade 4

Size, pressure range, and number of classifications

	0–0.1	0–0.16	0–0.25	0–0.4	0–0.6	0–1	0–1.6	0–2.5
φ40	20	16	twenty five	20	30	20	–	–
φ50	20	32	twenty five	20	30	20	30	20

Note: The unit is MPa.

Product Drawing

A-type

Size	a		b	c	d	e
Size	1/8	1/4	b	c	d	1/8	1/4
Φ40	40	42	43	twenty four	42	8	9
Φ50	48	50	52	28	51	Ten	11

D4 type

size	a	b	c	d
size	a	b	c	1/8	1/4
Φ40	43	42	twenty four	16	26
Φ50	52	51	28	16	26

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Kobata Enclose Oil Type Pressure Gauges

kvt part2 — Sun, 21 Jun 2020 02:01:30 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Enclose Oil Type Pressure Gauges

Product Info

When using a general-purpose pressure gauge in places with strong vibrations or pulsating pressure, reading the gauge becomes difficult, and it quickly goes out of sync. To address this issue, use an oil-filled pressure gauge in such environments. This type of gauge is highly vibration-resistant and durable. Its internal mechanisms, including the inner gear and pointer, are immersed in oil, which absorbs the vibrations of the moving parts through its viscosity.

Specifications

Model	A type, B type, D type
size	φ60, φ75, φ100 (scale plate diameter)
Pressure Range	Various pressures from 0 to 0.1MPa to 100MPa
Connection Screw	G1/4B, G3/8B, G1/2B (R1/4, R3/8, R1/2)

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Kobata MZS, MZF Diaphragm-Seal Type Pressure Gaiges

kvt part2 — Sun, 21 Jun 2020 01:37:14 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Model: MZS, MZF

Product Info

Model: MZS type, MZF type (MODEL TYPE: MZS, MZF)

This pressure gauge has a structure in which a diaphragm is placed between the fluid to be measured and the Bourdon tube pressure gauge, and the space between the pressure receiver and the Bourdon tube (element) is filled with sealed liquid to transmit pressure. The materials of the connection part and diaphragm can be selected according to the application, making it suitable for measuring corrosive fluids, highly viscous fluids, coagulating fluids, etc. There are two types of installation: screw type (MZS-1 type) and flange type (MZF-1 type, MZF-3 type).

Functions and Features

It is suitable for measuring highly viscous and coagulating fluids.
Special corrosion-resistant materials such as stainless steel, tantalum, and Teflon can be used for the pressure-receiving diaphragm material.
The flange mounting surface of the membrane is completely sealed with liquid packing, and the diaphragm housing has a two-flange structure.
If the membrane pressure receiving part needs to be cleaned, it can be cleaned by removing the lower flange, using a three-flange structure with a stop flange fastening.
It is possible to manufacture a remote measurement type that connects the pressure receiving part and the indicator with a flexible pipe and measures remotely (up to a distance of 20m).
A zero adjustment needle is used as standard, making it easy to correct errors due to temperature and other factors.
The indicator case uses a resin frame with a screw-on lid and a drip-proof structure.

Product Specifications

Pressure range (MPa)		Connection dimensions			Indicator	Material
Metal Film	Non-metallic Film	Screw type (MZS-1 type)	Flange type (MZF-1 type)	Flange type (MZF-3 type)	Indicator	Diaphragm	Main unit
0.05 to 0.1	0.03 to 0.1	G3/8B, G1/2B R3/8, R1/2	JIS 10k15A or higher	JIS 10k80A or higher	φ75 φ100	SUS316 Titanium , Tantalum , Teflon	SUS304 SUS316 SS Titanium PVC Lining
0.1 to 5	0.1 to 5	〃	〃	JIS 10k65A or higher
0.6–7	0.1 to 5	〃	〃	JIS 10k40A or higher
10–25	10–25	〃	〃	JIS 10k65A or higher

Product Drawing

The post Kobata MZS, MZF Diaphragm-Seal Type Pressure Gaiges first appeared on Kouei Japan Trading | Get Quotation.

Kobata Low-Preaaure Gauges

kvt part2 — Sun, 21 Jun 2020 01:09:58 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Low-Preaaure Gauges

Product Info

This instrument uses a chamber (empty box) or bellows as the pressure-receiving element to measure low pressures that cannot be measured with a Bourdon tube pressure gauge.
Standard and drip-proof types, stainless steel main parts, and electrical contacts can be manufactured.

Product Drawing

Micro pressure gauge external dimensions

The D-shaped mounting bracket is an optional accessory.

Appearance Dimensions

Size/Dimensions	a	a1	a2	b	D	D1	D4	h	h1	K	L2	e	d	f	c	d1	n
75	21(11)	39	twenty four	44(59)	7	98	77	69	34	12	14	2	PF 3/8	18	3	Five	twenty five
100	twenty one	40	twenty four	45	103	128	103	82	34	12	14	2	PF 3/8	18	3	Five	35
150	twenty one	42	twenty four	47	153	178	153	108.5	34	12	14	2	PF 3/8	18	3	Five	55

The post Kobata Low-Preaaure Gauges first appeared on Kouei Japan Trading | Get Quotation.

Kobata Drip-Proof Type Pressure Gauges

kvt part2 — Sat, 20 Jun 2020 09:49:54 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Drip-Proof Type Pressure Gauges

Product Info

If a general pressure gauge is used outdoors in rain and dew conditions, in dusty places, or in places where it is exposed to seawater, water, oil, etc., these substances may get inside the gauge, causing it to function improperly and causing it to break down. If you are using the gauge in such places, please use a drip-proof pressure gauge with a sealed structure.
(equivalent to JIS C 0920 drip-proof type II)

Product Specifications

size		Φ60	Φ75	Φ100	Φ150	Φ200	Φ300
kinds	Resin Sealing	Type A and D	Type A and B	Type A and B	Type A and B	–	–
kinds	Metal Seal	A, B, and D types	A, B, and D types	A, B, and D types	B and D types	Type B	Type B
Connection		G1/4B,R1/4	G3/8B,R3/8	G3/8B,R3/8 G1/2B,R1/2	G3/8B,R3/8 G1/2B,R1/2	G1/2B,R1/2	G1/2B,R1/2
Connection Material		Brass C3604BD, C2700T SUS SUS304, SUS316
Pressure Range		Various pressures from 0 to 100MPa

Product Drawing

Drip-proof pressure gauge external dimensions

Shape of the connection part and nominal diameter of the connection screw

The post Kobata Drip-Proof Type Pressure Gauges first appeared on Kouei Japan Trading | Get Quotation.

Kobata Bourdon Tube Pressure Gauge

kvt part2 — Sat, 20 Jun 2020 09:42:30 +0000

Made in Japan
Manufacturer: Kowata Keiki Seisakusho Co., Ltd.
Product’s Name: Bourdon Tube Pressure Gauge

Bourdon tube pressure gauges use a flattened metal tube as the pressure receiving element, and transmit its elastic deformation (movement) to a pointer. They are easy to use due to their simple structure. They can also measure a wide range of pressures, and are used in various industrial fields.

Features

– Easy to read pressure indication and easy to handle.
– Wide pressure measurement range and can be used in cases where corrosion resistance is required.

*When selecting a pressure gauge, please choose a product with various specifications so that it can fully demonstrate its performance according to the application. Select a pressure range so that the normal operating pressure is within the range of 30 to 65% of the pressure range. Also, please make sure that the material of the liquid-contacting parts is suitable for the gas or liquid to be measured.

*If you are using it for oxygen, please specify that it is oil-free.If you
are using it for acetylene, please specify that it is for corrosion-resistant use and that it is oil-free.

Bourdon tube pressure gauge size (outer diameter of scale plate) (SIZE)

Item (HEAD)	Division	CLASS	Mark
External Shape (FORM)	WITHOUT FLANGE		A
	Round flange		B
	FRONT FLANGE		B2
	(CUT FLANGE)		(C)
	Recessed type (BACK FLANGE MOUNT)		D
	WITHOUT FLANGE MOUNT		D2
	BACK FLANGE SCREWED		D3
	WITHOUT FLANGE SCREWED		D4
Applications (USES)	Normal form (ORDINALY TYPE)	0.6 Class (CLASS)	0.6 or CL 0.6
		1.0 Class (CLASS)	1.0 or CL 1.0
		1.6 Class (CLASS)	1.6 or CL 1.6
		2.5 Class (CLASS)	2.5 or CL 2.5
		4.0 Class	4.0 or CL 4.0
	For steam (STEAM PROOF)	1.6 Class (CLASS)	M
	Heat resistant type (HEAT PROOF)		H
	Vibration proof		V
	Steam & Vibration Proof		Music Video
	Heat & Vibration Proof		HV
Connection shape (FORM OF STEM)	SQUARE		T
	HEXAGONAL		S
	BOTH SIDE CUT		U

Bourdon tube pressure gauge type and classification (SPECIFICATION)

HEAD/SIZE		50	60	75	100	150	200
Pressure gauge		○	○	○	○	○	○
VACUUM GAUGE		–	○	○	○	○	○
Compound gauge		–	○	○	○	○	○
WITHOUT FLANGE	A	○	○	○	○	○	–
Round flange	B	–	○	○	○	○	○
(CUT FLANGE)	(C)	–	–	○	○	○	–
Recessed type (BACK FLANGE MOUNT)	D	–	○	○	○	○	○
WITHOUT FLANGE MOUNT	D2	–	○	○	○	–	–
BACK FLANGE SCREWED	D3	○	–	–	–	–	–
Without flange screwed	D4	○	–	–	–	–	–
Normal form (ORDINARY TYPE)	0.6 Class (CLASS)	–	–	–	–	○	○
	1.0 Class (CLASS)	–	–	–	○	○	○
	1.6 Class (CLASS)	–	–	○	○	○	○
	2.5 Class (CLASS)	○	○	○	○	○	○
	4.0 Class	○	○	–	–	–	–
For steam (STEAM PROOF)		–	○	○	○	○	○
Heat resistant type (HEAT PROOF)		–	–	–	○	○	–
Vibration proof		–	○	○	○	○	–
Steam & Vibration Proof		–	○	○	○	○	–
Heat and vibration proof		–	–	–	○	○	–
Connection shape (FORM OF STEM)	Square	○	○	○	○	–	–
	HEXAGONAL	–	–	–	○	○	○
	BOTH SIDE CUT	–	○	○	○	○	○

Bourdon tube pressure gauge type and classification (SPECIFICATION)

Pressure gauge (PRESSURE GAUGE) Unit (UNIT) MPa

RANGE	CLASS	0.6	1.0		1.6				2.5				4.0
	SIZE	200	150	200	75	100	150	200	50	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
0 to 250		–	–	–	–	–	50	50	–	–	–	–	–	–
0 to 160		–	80	80	–	32	32	32	–	–	–	32	–	–
0 to 100		100	50	50	50	50	50	50	–	20	20	50	–	–
0–60		120	60	60	–	60	60	60	–	30	30	30	–	–
0–40		–	80	80	40	40	40	40	–	20	20	40	–	–
0–25		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	–	–
0–16		–	80	80	32	32	32	32	32	32	32	32	16	16
0 to 10		100	50	50	50	50	50	50	20	20	20	50	20	20
0 to 6		120	60	60	–	60	60	60	30	30	30	30	12	12
0–4		–	80	80	40	40	40	40	20	20	20	40	20	20
0–2.5		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	twenty five	twenty five
0–1.6		–	80	80	32	32	32	32	32	32	32	32	16	16
0–1		100	50	50	50	50	50	50	20	20	20	50	20	20
0–0.6		120	60	60	–	60	60	60	30	30	30	30	12	12
0–0.4		–	80	80	40	40	40	40	20	20	20	40	20	20
0–0.25		125	50	50	50	50	50	50	twenty five	twenty five	twenty five	twenty five	twenty five	twenty five
0–0.16		–	80	80	32	32	32	32	32	32	32	32	16	16
0–0.1		100	50	50	–	50	50	50	20	20	20	50	20	20
0–0.06		–	–	–	–	60	60	–	–	–	30	30	–	–
0–0.04		–	–	–	–	40	40	–	–	–	40	40	–	–

VACUUM GAUGE

RANGE	CLASS	0.6	1.0		1.6				2.5			4.0
	SIZE	200	150	200	75	100	150	200	50	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
0 to -0.1MPa		100	50	50	–	50	50	50	20	20	20	50	20	20

Compound gauge (COMPOUND GAUGE) UNIT is MPa

RANGE	CLASS	1.6			2.5			4.0
	SIZE	100	150	200	60	75	100	50	60
	DIVISION	DIV	DIV	DIV	DIV	DIV	DIV	DIV	DIV
2.5 to -0.1 MPa		52	52	52	26	26	26	26	26
1.6～-0.1MPa		34	34	34	34	34	34	16	16
1 to -0.1MPa		55	55	55	twenty two	twenty two	twenty two	20	20
0.6～-0.1MPa		–	70	70	35	35	35	12	12
0.4～-0.1MPa		50	50	50	twenty five	twenty five	twenty five	20	20
0.25 to -0.1 MPa		–	70	70	35	35	35	twenty five	twenty five
0.16 to -0.1 MPa		52	52	52	34	34	34	16	16
0.1 to -0.1MPa		–	100	100	40	40	–	20	20

The post Kobata Bourdon Tube Pressure Gauge first appeared on Kouei Japan Trading | Get Quotation.