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Earth Loop & RCD Testers
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  1. Socket & See PDL 234 PLUS Part P Multifunction Loop Testing Kit
    £149.00
    Save £40.00
    £109.00
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    Socket & See PDL 234 PLUS Part P Multifunction Loop Testing Kit

    • Supplied with no-trip earth loop tester, fused leads, carry case and more
    • PDL234 can measure earth loop, wiring configuration and more
    • Polarity test ensures correct operation
  2. UNI-T UT582 Digital RCD(ELCB) Tester
    £168.99
    Save £50.70
    £118.29
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    UNI-T UT582 Digital RCD Tester

    • x1/2, x1, x5 and auto ramp measurement modes
    • Suitable for use with most types of RCD
    • Data hold, phase switch and disconnect buzzer
  3. Kewtech KTD40 Digital LoopPSC Tester with ATT Hand held kit
    £299.00
    Save £124.00
    £175.00
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    Kewtech KTD40 Loop Impedance Tester

    • Low current non trip technology
    • High current test for reading true loop impedance
    • Unique mains supply polarity test
  4. Kewtech Digital RCD Tester
    £289.00
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    £189.00
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    Kewtech KTD50 Digital RCD Tester

    • Test AC and ACS RCDs from 30mA to 500mA
    • Ramp test and auto testing procedures
    • Also doubles as a socket tester
  5. Kewtech KT41 Digital LoopPSC Tester
    £317.00
    Save £118.00
    £199.00
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    Kewtech KT41 Digital Loop/PSC Tester

    • 20, 200 and 2000Ω loop measurement ranges
    • High-current loop tester
    • Clear PSC/PFC measurements on a separate range
  6. Robin Amprobe KMP7020 RCD Tester kit
    £310.00
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    £248.00
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    Robin-Amprobe KMP7020 RCD Tester

    • Three levels of trip current: x1/2, X1, X5
    • Simple rotary dial
    • LED indication and LCD screen
  7. UNI T UT585 Digital RCD Tester
    £375.90
    Save £112.77
    £263.13
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    UNI-T UT585 Digital RCD Tester

    • Test all types of RCD using ranges of x1/2, x1, x 2, x5 and auto ramp
    • Data hold function for temporary storage of test results
    • Easy to use - takes the hassle out of RCD measurements
  8. Robin Amprobe KMP7021 RCD Tester kit
    £333.00
    Save £66.60
    £266.40
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    Robin Amprobe KMP7021 RCD Tester

    • Ramp testing function
    • Tests three levels of trip current: X1/2, X1 and X5
    • Ability to switch between phases
  9. Megger RCDT310 RCD Tester
    £410.00
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    £275.00
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    Megger RCDT310 RCD Tester

    • 1/2I, I, 5I RCD trip time testing
    • 30, 100, 300 and 500mA RCDs
    • Polarity selection, touch voltage inhibit and more
  10. Kewtech KT45 Digital LoopPSC Tester with ATT
    £519.00
    Save £244.00
    £275.00
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    Kewtech KT45 Digital Loop / PSC Tester with Anti-Trip Technology

    • Anti-trip technology for full no trip loop testing on all RCD types
    • High current and low current modes
    • Noise override, PSC measurements, mains voltage display, lock-down test button and phase-to-phase connection protection
  11. Megger RCDT320 RCD Tester
    £475.00
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    £319.00
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    Megger RCDT320 RCD Tester

    • Test all RCDs, including DC sensitive
    • 30s delay function
    • Suitable for 30mA, 100mA, 300mA and 500mA RCDs
  12. Metrel MI3122 Z Line Loop RCD Tester
    £488.00
    Save £147.00
    £341.00
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    Metrel MI 3122 Z Line-Loop / RCD Tester

    • Help screens, automatic loop evaluation and online voltage monitoring
    • Phase sequence testing, upgradeable and triplock function
    • Rechargeable, portable unit with built-in memory
  13. Megger LTW315 Earth Loop Tester kit
    £535.00
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    £359.00
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    Megger LTW315 Loop Impedance Tester

    • Entry-level model in Megger's loop testing range
    • 2-wire non-tripping loop testing and 2-wire fast test (high current)
    • Suitable for use on 110V to 280V applications
  14. Megger LRCD210 RCD Tester kit
    £585.00
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    £365.00
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    Megger LRCD210 Loop and RCD Tester

    • Non-tripping loop testing with PFC and single phase (also 3 phase safe)
    • 1.2 x I, 1 x I and 5 x I RCD testing
    • Frequency testing, ramp test, selectable phase and much more
  15. Megger LTW425 Earth Loop Tester
    £595.00
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    £399.00
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    Megger LTW425 Loop Impedance Tester

    • 2-wire non-tripping impedance measurements
    • Non-tripping
    • 50V to 440V operation, CAT IV installation testing
  16. Megger LTW325 Earth Loop Tester KIT
    £555.00
    Save £138.75
    £416.25
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    Megger LTW325 Loop Impedance Tester

    • Suitable for use on 50V to 440V applications
    • Carry out phase-to-phase testing
    • Non-tripping loop testing
  17. Megger LTW335 Loop Impedance Tester
    £715.00
    Save £276.00
    £439.00
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    Megger LTW335 Loop Impedance Tester

    • Built-in memory and test downloading
    • 2-wire non-tripping loop testing
    • 2-wire fast test (high current)
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Earth Loop & RCD Testers

About Earth Loop & RCD Testers

Earth loop testers can be used to easily identify and measure earth loops present within electrical systems, verifying the loop impedance of live electrical circuits. Most work without having to disconnect the electrical supply and are designed not to trip RCDs attached to a circuit.

Also designed to work across phase to earth, phase to neutral and phase to phase connections, earth loop testers can use either 2-wire or 3-wire testing methods to evaluate earth loops.

RCD testers are designed to specifically measure that RCDs are correctly integrated into a circuit. When testing, the RCD tester will apply trip current levels to the RCD, allowing the user to ascertain at what threshold the RCD will trip. Many testers include automatic 'ramp' testing which will cycle through the available ranges until the correct tripping level is ascertained.