Socket Tester Non-Trip Earth Loop Test

Code: MAREZ150
82.35

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Martindale  MAREZ150

Socket Tester c/w Earth Loop Impedance


Product Overview


The Martindale EZ150 is the first socket tester that checks the wiring of 13A sockets and also gives a measurement of the earth loop impedance.

Conventional socket testers have the weakness that they only confirm that the earth is connected but they don’t indicate how safe it is. A socket with a dangerously high earth resistance could be passed as safe when using a standard check plug.

Martindale’s T-Safe™ patented technology gives safe, earth loop impedance checking within carefully selected bands, without tripping RCDs and RCBOs.

The Martindale EZ150 is an “advanced socket tester” as described by the Health & safety Executive.


  • Non-trip earth loop test
  • Voltage test
  • Socket test for open termination and correct wiring
  • T-Safe™ patented technology
  • Identifies faults other checkers can’t

Product Specs


  • AC / DC Current: 0.1A to 200A
  • AC / DC Voltage: 0.1mV to 600V
  • Resistance: 0.1Ω to 50MΩ
  • Frequency: 30Hz to 400Hz
  • Continuity: 0.1Ω to 500Ω, buzz at <30Ω
  • Diode Test: 1mV - 2V
  • Non-Contact Voltage Indicator: 70V - 600V
  • Temperature Measurement: -35°C to +500°C
  • Duty Cycle
  • Capcitance
  • Power: 9V PP3 Alkaline (Included)
  • Dimensions: 202 x 51 x 44mm
  • Weight: 200g (incl. battery)



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