Japan, Tokyo Keiso
Tokyo Keiso SRT1000 Series THERMAL FLOWMETER
Made in Japan
Manufacturer: Tokyo Keiso
Model: SRT1000 Series
Based on the long experienced know-how on the TOKYO KEISO’s thermal flowmeters, SRT1000 series has enhanced its performance such as a reading accuracy, a reliable sealing by metal and a digital output. In measuring various gases it covers wider sizes ranging from 10 mm to even 1500 mm as standard.
Either the integral type with the sensor integrated with an indicator and converter or the separate type with an indicator and converter remotely mounted is available for the application.
Various outputs are available for your convenience such as pulse, high and low alarms, and digital output via RS485, as well as 4 to 20 mADC, 0 to 5, 0 to 10 VDC analog outputs all in standard features.
The SRT1000 covers much wider measuring range than the current thermal flowmeters.
Features
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High accuracy
Accurate flow measurement as high as ±1% R.D. between 10 to 100% F.S. and ±0.5% R.D. in less than 10% F.S. thanks to the unique calibration facilities.
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Metallic sealing
The sensor has a metallic sealing mechanism, durable and corrosion resistant.
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Low pressure loss
Negligible small pressure loss by a simple sensor made of stainless steel placed in the flow path.
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High speed response
Not more than 1 second at 63% response.
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Temperature indication
The sensor consists of a heated sensor and a temperature sensor which allows also temperature indication in the piping.
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Pressure compensation
Flow rate compensation by inputting 4 to 20 mADC pressure signal for unstable process.
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Flow rate unit
Normal flow rate at 0°C and 1 atm, standard flow rate, actual flow rate or mass flow rate is available.
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RoHS
Applications
- Semiconductor equipment gas lines
- Medical oxygen supply lines
- HVAC
- Process and utility lines for general industry
Specifications
Future /Type |
Insertion type for large pipe sizes Integral type / Separate type | Inline type for medium pipe sizes Integral type / Separate type | Inline type for small
pipe sizes Integral type / Separate type |
Variable length insertion type |
Model | SRT1100 | SRT1200 | SRT1300 | SRT1400 |
View | ||||
Measuring object | Non-corrosive gases | |||
Process connection | Flange JIS 10K/20K, ANSI 150/300, JPI 150/300 Insertion type by tube fitting Outside diameter 20 mm SWL, VCR, Rc 3/8″, 1/2″, 3/4″, 1″ Wafer 40 to 150 mm |
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Meter size | 50A to 1500A | 40A to 150A | 10A to 25A | 50A to 900A |
Fluid temperature | -20 to 120℃ | |||
Pressure | 1 MPa Max. | |||
Flow range | Air/N₂ Max.: 35600 to 891700m³/h(nor) Min.: 63 to 1200 m³/h(nor) |
Air/N₂ Max.: 425 to 10600 m³/h(nor) Min.: 50 to 780m³/h(nor) |
Air/N₂ Max.: 33 to 330 m³/h(nor) Min.: 6.0 to 60 m³/h(nor) |
Air/N₂ Max.: 12840 to 321000 m³/h(nor) Min.: 63 to 1200 m³/h(nor) |
Material contacting gases | SUS316L, SUS316, SCS14 Sensor element is made of SUS316L |
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Power supply | 24±10% VDC | |||
Protection class | IP65 |
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