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Kyoritsu Loop Testers

This range of Loop Impedance testers meet the requirements of test regulations in Australia.

Core features


Kyoritsu 4118A 

  • Custom microprocessor controlled for highest accuracy and reliability. 
  • 3 LEDs for checking correct wiring status. 
  • 15mA LOOP measurement 
  • Direct reading of Prospective Short Circuit Current (PSC). 
  • Safe voltage measurement function. 

Kyoritsu 4140 

  • Anti-Trip Technology for complete trip free Loop testing on all RCDs rated 30mA and above. 
  • Dual Display allows simultaneous measurements like Loop & PFC/PSC. 
  • Two wire connection for Loop L-L, L-N and PSC testing is possible. 
  • Phase rotation, Voltage and Frequency measurements. 
  • Lock-down test button for 'hands free' testing with auto-start operation. 
  • Display and front panel keyboards with Backlight to be visible in dark places. 
  • Water and Dust proof (IP54) 

Kyoritsu Repair and Calibration Service

Rutherford Electrical Engineering Services is an authorised Kyoritsu calibration and repairer.

For more information go to the website: