RCD Testers

Test RCD trip time and overall residual current device safety/efficiency with our range of RCD test equipment. Includes handheld RCD testers, Megger RCD testers, RCD analysers and multifunctional RCD testers which also measure loop and PSC.

Find out more about RCD Testers below.

Socket & See RCD PRO Professional RCD Tester
In Stock : Get It Next Working Day*
Socket & See RCD PRO Professional RCD Tester
£269.00
£322.80 inc. vat
  • Ensure that common RCD types are compliant with current standards
  • Polarity Test Pad: check for dangerous, reversed wiring in sockets
  • Includes auto test sequences and a ramp test function
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Robin Amprobe KMP7021 RCD Tester
Stock Due : Estimated 2-3 Weeks
Robin Amprobe KMP7021 RCD Tester
£311.60
£373.92 inc. vat
  • Ramp function
  • Multiple selectable trip current
  • Easy to use with large size LCD screen
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Kewtech KT500 Digital RCD Tester
Kewtech KT500 Digital RCD Tester
£329.00
£394.80 inc. vat
  • Test type AC, ACS and A RCDs
  • Results recall button
  • Hands-free function
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Megger RCDT310 RCD Tester
In Stock : Get It Next Working Day*
Megger RCDT310 RCD Tester
£389.00
£466.80 inc. vat
  • RCD trip time tests, selective breakers & DC breakers
  • IP54 weatherproofing
  • Safety interlock, test leads, LED connection indicators, 3-phase safe and testing inhibit
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Megger RCDT320 RCD Tester
In Stock : Get It Next Working Day*
Megger RCDT320 RCD Tester
£428.95
£514.74 inc. vat
  • Suitable for use with a wide range of different RCD types
  • Advanced automatic testing and ramp testing procedures
  • Built into its own protective carrying case with foldable lid
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Megger RCDT330 RCD Tester
In Stock : Get It Next Working Day*
Megger RCDT330 RCD Tester
£484.00
£580.80 inc. vat
  • Tests DC, standard and selective RCDs
  • Stores up to 1000 tests on the device
  • Safe for three-phase testing
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Metrel MI3122 Z Line-Loop/RCD Tester
Stock Due : Estimated 1-2 Weeks
Metrel MI3122 Z Line-Loop/RCD Tester
£532.00
£638.40 inc. vat
  • Performs RCD trip time, RCD ramp current and automated RCD testing
  • Line resistance testing for 3 phase systems
  • Non-trip RCD testing
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Megger LRCD210 RCD Tester
Megger LRCD210 RCD Tester
£552.00
£662.40 inc. vat
  • Non-tripping Loop test
  • 3 wire low current non-tripping loop test provides measurements from 0.01 ohms to 2 kohms
  • Auto-ranging tests
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Megger LRCD220 RCD Tester
In Stock : Get It Next Working Day*
Megger LRCD220 RCD Tester
£650.00
£780.00 inc. vat
  • Non-trip loop tester
  • RCD testing from 10 mA to 1000 mA
  • Extremely easy and safe to use
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Megger NIM 1000 Network Impedance Meter (1000A)
Megger NIM 1000 Network Impedance Meter (1000A)
Call For Pricing
  • Impedance of phases and neutral conductors up to the 10th harmonic
  • Automatically switches between measurement points
  • 1kA test current
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Megger NIM 1000-SET Network Impedance Tester
Made To Order
Megger NIM 1000-SET Network Impedance Tester
£8,090.00
£9,708.00 inc. vat
  • Measure the grid impedance of LV grid systems
  • Multi-phase measurements with automatic test point switching
  • Memory storage and transfer to PC
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About RCD Testers

Residual current devices (RCDs) are becoming more and more common as we move towards an electrically safe future. When installed on an electrical system, RCDs are designed to break the circuit quickly whenever the current is not balanced, thus ensuring that electricity is regulated and the risk of electrical shocks, fires, and other damage is minimised.

Although many RCDs include integrated test buttons, it is common practice for users to use a certified RCD tester to evaluate the overall efficiency and the correct installation of a residual current device. Common RCD testers work by inducing various levels of leakage current into the electrical system in a safe manner; this allows the user to evaluate the overall level of when an RCD will 'trip' the circuit, and it also allows them to evaluate the trip time (the time it takes the RCD to activate).

We stock a wide range of residual current device testers including Megger RCD testers, Amprobe RCD analysers, Metrel combination RCD testers, and products from Kewtech and UNI-T as well.