• Power supply direct connect PT is unnecessary.
• Genuine accessary of small type clamp type AC current sensor
• Output of 0 – 5V as true active power measurement (power supply isolation type)
• Possible set CT sensitivity by 1A step between 1 – 100A with setting of surface DPS (dip switch)

Features

• (Example) PTD-1
  E=100V
  By I=50A (DPS10A+40A
• In case to earn e=2.5VDC
  P=100x50x (2.5 / 5)
• Corresponding to P=2.5kW
  RoHS compliance is 6 or 10 substances depending on the model.

Features

●Super compact design of business card case size build in super small size PT (Corresponding to DIN rail)
●0 – 5V output of true power RMS measurement (power supply isolation type)
●Possible to mount established wire with combination of split type CT
●Cover super wide range of power until 500kW max with combination of CT line up for PTD-S series
●Separately selling applied CT and cable
●In case of reversal phase between voltage and current, output to be negative (-) (Possible to measure reverse power flow)
●RoHS compliance is 6 or 10 substances depending on the model.

Features of APT-3R

●Built in phase compensation circuit with super small transformer and output voltage feedback, and realizing excellent ratio error and phase shift characteristic
●Possible to reduce size and weight compared with PT for instrumentation
●Standardizing voltage ratio 200V:1V for direct interface to electrical circuit
●Corresponding to wide primary voltage of 75 – 250V
●With self powered system, external power supply for control is unnecessary
●Not RoHS compliant.

Features

●Built in phase compensation circuit with super small transformer and output voltage feedback, and realizing excellent ratio error and phase shift characteristic
●Possible to reduce size and weight compared with PT for instrumentation
●Standardizing output 1V for direct interface to electrical circuit
●7Corresponding to wide primary voltage of 75 – 250V
●With self powered system, external power supply for control is unnecessary
●Equivalent circuit to transformer of 200V:1V
●Compliant with RoHS 10 substances.

Features

●RMS calculation type current converter corresponding to DC – 20kHz. Please refer the self heating characteristic of current sensor in case of high frequency use.
●Corresponding to current waveform controlled as phase control, PWM, and so on
●In combination with HCS-AP series (separately selling), universal type for both of AC/DC
●Corresponding to power supply voltage of AC95 – 245V(50Hz/60Hz sine wave)
●DC output with RMS calculation, 0 – 5V and 4 – 20mA two outputs. Possible to use at same time
●Compliant with RoHS 10 substances.

Features

●Detection 50/60Hz distorted wave of commercial power supply as RMS value
●Output 4-20mADC instrumentation signal directly
●Extremely simple to mount with integrated mode of clamp type sensor and converter
●Corresponding to wide range of current from 0 – 5A to 0 – 500A
●2 wires transmission system in common use of power supply (20V – 30V) of data logger and PCL
●Compliant with RoHS 10 substances.

Features

●Output with converting AC 50/60Hz sine wave current to DC voltage
●Genuine combination product with precise measurement CT CTL-12-S30-10Z
●Small power loss with isolated measurement
●Compliant with RoHS 6 substances.

Features

●Average rectifier type current converter of AC current detection and DC voltage output
●High reliability with sensor and converter integral structure
●Unnecessary of external associated circuit
●Possible to measure with isolation
●Excellent linearity of the range more than 1 : 100
●Compliant with RoHS 10 substances.

Features

●Only for 50/60Hz of commercial power supply, average rectifier type current converter of AC current detection and DC voltage output
●Without power supply, output 0-5VDC measure signal directly from sensor
●Extremely simple to mount with integrated mode of clamp type sensor and converter
●Possible to measure with isolation
●Corresponding to wide range of current from 0 – 5A to 0 – 500A
●Compliant with RoHS 10 substances.

Features

●Compact design to arrange the clamp structure inside of the frame
●Use cable with sheath for output wire
●Only for 50/60Hz of commercial power supply, average rectifier type current converter of AC current detection and DC voltage output
●Output 0-5VDC instrumentation signal from sensor without power supply
●Decrease the influence of magnetic field outside with double coil structure (compared with our product, CTT-10-CLS-CV5)
●Build in the clamp device for over current
●Compliant with RoHS 10 substances.

Features

●Compact design to arrange the clamp structure inside of the frame
●Use cable with sheath for output wire
●Only for 50/60Hz of commercial power supply, average rectifier type current converter of AC current detection and DC voltage output
●Output 0-5VDC instrumentation signal from sensor without power supply
●Decrease the influence of magnetic field outside with double coil structure (compared with our product, CTT-10-CLS-CV5)
●Build in the clamp device for over current
●Compliant with RoHS 10 substances.

Features

●At the time of lack of current but existing voltage, system to decide as disconnection (unsupported for cycle control)
●With unnecessary structure for external control power supply, corresponding type to small current with external sensor
●Possible to share power supply with 100V/200V tap
●Possible to set with 5A – 200A programmable system for operating point
●There is LED for operating display, so easy to set operating point
●Alarm output is 1 transfer contact without voltage.
●Compliant with RoHS 10 substances.

Features

At the time of lack of current but existing voltage, system to decide as disconnection (unsupported for cycle control)
With unnecessary structure for external control power supply, corresponding type to small current with external sensor
Possible to share power supply with 100V/200V tap
Possible to set with 0.5A – 20A programmable system for operating point
There is LED for operating display, so easy to set operating point
Alarm output is 1 transfer contact without voltage.
External CT type compatible with standard product build in CT (CRY-DP)
Compliant with RoHS 10 substances.

Features

At the time of lack of current but existing voltage, system to decide as disconnection
(unsupported for cycle control)
All in one structure without external controlling power supply
Possible to share power supply with 100V/200V tap
Possible to set with 0.2A – 20A programmable system for operating point
There is LED for operating display, so easy to set operating point
Alarm output is 1 transfer contact without voltage.
Compliant with RoHS 10 substances.

Features

Overcurrent alarm to detect over load of motor, partial short of heater, and each type of abnormality of electronics
With unnecessary structure for external control power supply, corresponding type to high current with external sensor
Possible to be common for power supply with 100V/200V tap
Possible to detect precise over load with 5A – 200A programmable system for operating point
Preventing malfunction with dead zone timer until current settling, toward motor starting current, and starting up mode of transformer magnetizing inrush current and so on.
There is LED for operating display, so easy to set operating point
Alarm output is 1 transfer contact without voltage.
Compliant with RoHS 10 substances.

Features

Overcurrent alarm to detect over load of motor, partial short of heater, and each type of abnormality of electronics
With unnecessary structure for external control power supply, corresponding type to small current with external sensor
Possible to be common for power supply with 100V/200V tap
Possible to detect precise over load with 0.5A – 20A programmable system for operating point
Preventing malfunction with dead zone timer until current settling, toward motor starting current, and starting up mode of transformer magnetizing inrush current and so on.
There is LED for operating display, so easy to set operating point
Alarm output is 1 transfer contact without voltage.
External CT type compatible with standard product build in CT (CRY-DP)
Compliant with RoHS 10 substances.

Features

Overcurrent alarm to detect over load of motor, partial short of heater, and each type of abnormality of electronics
All in one structure without external controlling power supply
Possible to be common for power supply with 100V/200V tap
Possible to detect precise over load with 0.2A – 20A programmable system for operating point
Preventing malfunction with dead zone timer until current settling, toward motor starting current, and starting up mode of transformer magnetizing inrush current and so on.
There is LED for operating display, so easy to set operating point
Alarm output is 1 transfer contact without voltage.
Compliant with RoHS 10 substances.

Features

All in one structure to package AC current sensor and leakage detection circuit
Without power supply but with penetration of electrical wire into aperture, earning the open collector output
Possible to set up operating point with 2A – 10A/10A – 50A range switch and setting trimmer
Correctly operating with over current in the range not exceed 200A
Only for 50Hz/60Hz sine wave (Operating point to be changed in the case of waveform distortion)
Compliant with RoHS 10 substances.

Features

Module to output alarm with detection of leakage or small current, by combination with AC current sensor
Corresponding to wide power supply of AC85 – 250V
Detection current of 2.5mA – 150mA as programmable
Easy setting confirmation by LED operation display
Compliant with RoHS 10 substances.

Features

Compact design with setting clamp structure inside of frame
Using wire with sheath for output wire
All in one structure to build in flowing current detection circuit into sensor
Hish sensitive detection for set up current of 0.2Arms fixed
Easy to assemble with clamp method
Stable operation with RMS converting circuit, in the case of waveform distortion
Suitable model for measurement of AC current with vinyl isolated conductor less than 8mm finished outline diameter
Compliant with RoHS 10 substances

Features

All in one structure to integrate the current flowing detection circuit into clamp type AC current sensor
Without power supply but with only clamping to conducted wire, earning the current flowing detection signal
Standardized 3 types as, fixed 0.5&1A operating point of high sensitivity type, 1A – 10A, and 10A – 100A of operating point setting type
Corresponding to small current below nominal 0.5, 1A by the sensitivity to be (n) times with (n) turning detection current into sensor
Only for 50Hz/60Hz sine wave (Operating point to be changed in the case of waveform distortion)
Compliant with RoHS 10 substances

Features

Module to discriminate presence or absence of current easily, by combination with AC current sensor
Possible to drive the relay of DC circuit or sequencer directly, by photo coupler open collector output, without power supply
Possible to set to any current value of operating point to some extent, by the choice of applied current sensor and changing the condition of use, and so on
Compliant with RoHS 10 substances.

Features

Module to discriminate presence or absence of current easily, by combination with AC current sensor
Possible to drive the relay of AC100V line directly, by SSR output of non-polar, without power supply
Possible to set to any current value of operating point to some extent, by the choice of applied current sensor and changing the condition of use, and so on
Compliant with RoHS 10 substances.

Features

Corresponding to ± 15V control power supply
Possible to discriminate the direction by 0 ± 4V output
Possible to measure with isolation
Split setting type with unification of sensor and amplifier
Residual voltage temerature characteristic (OS) ±0.3mV/℃ typ
Output voltage temerature characteristic (FS) ±0.05%/℃ typ

Features

Corresponding to ± 15V control power supply
Possible to discriminate the direction by 0 ± 4V output
Possible to measure with isolation
Split type with unification of sensor and amplifier, one touch clamp structure to wire

Features

This device is compatible with a ± 15V control power supply and can measure small currents of ± 100mA, achieved by using a primary coil with many windings. It also allows for isolated measurements and can handle a bandwidth from DC up to 20kHz high frequency. While it maintains linearity up to 300% max, it’s important to note that accuracy is guaranteed only up to the rated current, and continuous use beyond this rating is not recommended.

Features

Possible to measure DC small current precisely even small and light weight
Full scale 0.1A, 0.5A, 1A, 2A
Excellent temperature stability for residual voltage and output voltage
Stable operation after over current
Unipolar power supply operation

Features

Possible to measure small DC current less than 100mA without contact
Super sensitivity as 100 µ A resolution
Big output of 10V/100mA and high stability
Excellent linearity

Features

●Split setting type with unification of sensor and amplifier
●Corresponding to ±15V control power supply
●Built-in shield case as standard for decreasing the influence of output magnetic field
●Very small residual voltage temperature coefficient ±0.3mV/℃ typ (Refer “Residual voltage temperature coefficient”)
●Very small output voltage temperature coefficient ±30ppm/℃ typ (Refer “Output voltage temperature coefficient”)
●Patented for case structure

Features

Zero flux type current sensor composed by magnetic pasth material, hall element, and feedback coil
Possible to operate by smaller current than conventional product with adoption of high permiability magnetic path material, and decrease hysterisis
Covering bandwidth DC – 20kHz. Excellent linearity.
High speed response within 3 µ s for full scale (di/dt=5A/2 µ s)
Excellent temperature characteristic

Features

● Zero flux type current sensor composed by core, hall element, and feedback coil
● High reliability with sensor and amplifier integral structure
● Excellent linearity with wide bandwidth DC – 500kHz
● High speed response within 1.5 µ s

Features

Integral structure split type of sensor and op-amp
Possible to measure with isolation
Possible to measure until bandwidth of DC – 20kHz high frequency (In the case of use with high frequency, there is the case not to use until the rating current)
High speed response within 3 µ s

Features

Corresponding to ± 15V contol power supply
Possible to discriminate the direction by 0 ± 4V output
Possible to measure with isolation
High reliability with sensor and amplifier integral structure
Possible to measure until bandwidth of DC – 20kHz high frequency (In the case of use with high frequency, there is the case not to use until the rating current)
High speed response within 3 µ s

Features

Corresponding to +8 – +16V single power supply
Possible to discriminate the direction by output swing with 0.5 – 4.5V range at the midpoint 2.5V
Possible to measure with isolation
High reliability with sensor and amplifier integral structure
Possible to measure until bandwidth of DC – 20kHz high frequency (In the case of use with high frequency, there is the case not to use until the rating current)
High speed response within 3 µ s

Features

Corresponding to ± 15V contol power supply
Possible to discriminate the direction by 0 ± 4V output
Possible to measure with isolation
High reliability with sensor and amplifier integral structure
Possible to measure until bandwidth of DC – 20kHz high frequency (In the case of use with high frequency, there is the case not to use until the rating current)
High speed response within 3 µ s

Features

Corresponding to +12V contol power supply
Possible to discriminate the direction by output swing with 0.5 – 4.5V range at the midpoint 2.5V
Possible to measure with isolation
Possible to measure until bandwidth of DC – 20kHz high frequency (In the case of use with high frequency, there is the case not to use until the rating current)
No destruction even if over current (within max pulse width)
High speed response within 3 µ s

Features

The ± 15V control power supply distinguishes direction via a 0 ± 4V output and supports isolated measurements. It operates up to a DC – 20kHz bandwidth, though high-frequency use may limit current capacity. While it offers up to 300% linearity, accuracy is assured only at rated current—exceeding this for prolonged periods is not recommended. The system withstands overcurrent without damage if within maximum pulse width and delivers rapid responses within 3 µs.

Features

Structure of sealing small current transformer (CT) and LED for luminescence display in one case
Convenient and reliable LED indicator to monitor turn ON situation with only inserting AC current flowing wire into centered aperture

Features

Structure of sealing small current transformer (CT) and LED for luminescence display in one case
Convenient and reliable LED indicator to monitor turn ON situation with only inserting AC current flowing wire into centered aperture

Features

Flexible type Rogowski coil to be possible to make super large aperture to measure thunder current together flowing into transmission line tower foot
One touch clamp structure of flexible circular shape
Voltage output combinated to designated integrator rational to thunder current
※Corresponding to customized products for each customer’s specification. Please ask for detail.

Features

Possible to measure high current even if small and light
Full scale 100A, 200A, 500A
Wide frequency range

Features

Standard CT only for high frequency corresponding to 2kHz~30MHz
Suitable to standard current sensor for test and research
Excellent noise resistance by inserting into aluminum case
Measurement of each type of high frequency and pulse current. Suitable to wide application for wave monitoring
Suitable to wave monitoring by oscilloscope, because output is BNC connector voltage output type