• KEW4140 Loop Impedance Tester

Key Benefits:

The KEW 4140 comes complete with everything you need for Loop, PFC, PSC and Phase Rotation testing on an electrical installation. 
  • 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.
  • Phase rotation, Voltage and Frequency measurements. 


  • Two wire connection for high current Loop L-L, L-N and PSC testing is possible.
  • 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.
  • Polarity check
  • Robust casing
  • Water and Dust proof (IP54).


  • A full set of new safety test leads with an overmould for maximum grip and extremely robust.
  • A soft carry case
  • A strap belt
  • Instruction manual
  • 6 x LR6 Batteries

Weights & Dimensions:

  • Weight: 860g (including batteries)
  • Dimensions: 184(W) x 84(L) x 133(D)mm

KEW4140 Loop Impedance Tester

  • Product Code: lc10446