Kewtech KT500 RCD Tester

⚡ 30mA autotest

⚡ Ramp test

⚡ Hands free function

⚡ Distribution board polarity test

⚡ AC voltage VLN measurements

£255.00 exc VAT / £306.00 inc VAT

4 in stock

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Product Details

The Kewtech KT500 Digital RCD Tester is a compact, simple-to-use, single-function tester designed for testing RCDs per 18th Edition regulations, results can be recalled to the Kewtech KT500 Digital RCD Tester’s display using the recall button, allowing the user to see and record measurements relevant to his/her application. Other practical features include a Hands-free function, the Kewtech KT500 Digital RCD Tester is an accurate, easy-to-use, single-function tester capable of comprehensively testing RCDs as required by the 18th Edition.

Products Features

  • Tests type AC, ACS & A RCDs
  • 30mA autotest
  • Ramp test
  • AC Voltage VLN
  • Distribution board polarity test
  • Result recall
  • Hands-free function
  • Polarity and voltage present LED warning
  • Magnetic hanger for clipping onto metal consumer units


Test Current Accuracy
Test Current Accuracy
x ½ – 0% to – 10%
x 1 , x 5 + 0% to +10%
Trip Time Accuracy
Test Current Accuracy
< 1 second ± (1% + 1 ms)
> 1 second ± (1% + 10 ms)
RCD Trip Time
Measurement Range 5 ms – 1999 ms
Operating Range Per BSEN61557-6 38 ms – 1999 ms
Supply Voltage 195V – 253V AC 50Hz
General Specifications
Power supply 4 x AA LR6 Batteries
Battery life 50 hours
Overvoltage category CAT IV 300V
Operating temperature 0 – 40ºC
Storage temperature -10 to 60ºC
Operating humidity 80% @ 31ºC to 50% @ 40ºC
Safety compliance BSEN 61010-2-030:2010
EMC compliance BSEN 61326-2-2:2013
Performance standard BSEN 61557-1:2007
BSEN 61557-6:2007
Probes GS38 compliant
Dimension (mm) 180mm x 85mm x 50mm
Weight (g) Approximately 450g


  • Magnetic Hanger
  • KAMP 12 Mains lead
  • Carry Case
  • Manual
  • Calibration certificate


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