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Measurement Instruments Power Supply and Power Control produts Function Modules Customized Products
home > Products > Power Supply and Power Control Products > Power Test Instrumentss

Power Test Instruments
Single-phase Voltage, Single-phase Current Protective Relay Tester
RX4717K

Outputs 100VA single-phase voltage and 180VA single-phase current

Equipped with counter function, output selector, auto sweep function, memory function, DC output for testing, master/slave function, etc.

Output frequencies of 50Hz, 60Hz, and 10Hz to 200Hz, using external synchronization or line synchronization (selectable)

Equipped with GPIB/RS-232C interfaces

Weight: 19.5kg



Three-phase Voltage Protective Relay Tester
RX4718

Outputs 100VA three-phase voltage

Equipped with counter function, output selector, auto sweep function, memory function, DC output for testing, master/slave function, etc.

Auto setting of 1LG, 2LS, three-phase batch, three-phase balanced and phase switching functions

Output frequencies of 50Hz, 60Hz and 10Hz to 200Hz, using external synchronization orß line synchronization (selectable)

Equipped with GPIB/RS-232C interfaces

Weight: 19.5kg

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Three-phase Current Protective Relay Tester
REX4723

Output capacity modes include three-phase current (180VA per phase), two-phase current (360VA for first phase, 180VA for second phase), and single-phase current (540VA)

Can be easily combined with RX4718 for local testing

Equipped with counter function, output selector, auto sweep function, memory function, DC output for testing, master/slave function, etc.

Equipped with GPIB/RS-232C interfaces

Output frequencies of 50Hz, 60Hz and 10Hz to 200Hz, using external synchronization or line synchronization (selectable)
Please be advised that panel representation of the product, display of setting , etc and the instruction manual is totally written in Japanese.



Protective Relay Test Controller
REX4741

External controller for NF’s protective relay testers

Main unit includes control functions for local tests, output selector, time counter, dummy circuit breaker, and response input selector.

Easily configurable with computer-based local and stand-alone relay test systems

Equipped with GPIB interface

Weight: 17kg
Please be advised that panel representation of the product, display of setting , etc and the instruction manual is totally written in Japanese.



Current Output Amplifier REX4731

Current booster increasing capacity for supporting mechanical relay test (Max. 450VA output)
Please be advised that panel representation of the product, display of setting , etc and the instruction manual is totally written in Japanese.

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Power Multimeter
2721

A Power Multi-meter can measure various parameters, such as AC voltage, current, frequency, effective power and power factor.

Three phases + zero phase (option)

Voltage and current measurement accuracy: ±(0.05% of rdg + 0.005% of range)
6 display windows
Please be advised that the instruction manual is totally written in Japanese.



3-phase Voltage Current Standard
RX4763

For calibration of various meters , CT, PT, and power transducers

Output : Three-phase voltage, three-phase current, DC

Frequency: 1.000Hz to 500.000Hz, setting resolution 1mHz

Frequency accuracy: ±30ppm

Waveform: Sine, harmonics, arbitrary, DC
Output mode: Balanced, unbalanced,
three-phase three-wire, single-phase three-wire
Please be advised that panel representation of the product, display of setting , etc and the instruction manual is totally written in Japanese.


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