Kewtech KT500 Digital RCD Tester

  • Hands free operation, in line with 18th edition regulations
  • Tests type AC, ACS & A RCDs and measures AC Voltage VLN
  • 30mA auto test, ramp test & distribution board polarity test
More Info
inc VAT £322.80 ex VAT £269.00
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Product Details

Kewtech KT500 Digital RCD Tester

The Kewtech KT500 Digital RCD Tester is a single function tester that fits in your hand and is an excellent way to upgrade to 18th edition testing. This handy device tests type AC, ACS & A RCDs in a measurement range between 5ms and 1999ms. It includes a supremely useful 30mA autotest and Ramp test functionality.

Compact and simple to implement, the Kewtech KT500 includes a dedicated button for result recall, can perform a distribution board polarity test and measure AC voltage VLN. Be sure to take full advantage of the hands free capabilities of this ergonomic instrument and its built-in polarity/voltage present LED warning.

Featuring a large large tactile dial and easy-press button interface, the Kewtech Digital RCD Tester comes complete with it's own soft carrying case. This portable device boasts a large digital display, tactile dial and easy-press button interface. Rated CAT IV 300V the KT500 has an impressive 50 hour continuous battery life. For an exceptional 18th edition kit combine this device with the Kewtech KT300 Insulation/Continuity Tester and the KT400 Loop Impedance & PSC/PFC Tester.

Key Features

  • Digital RCD Tester
  • Tests type AC, ACS & A RCDs
  • RCD measurement range of 5ms to 1999ms
  • Compliant with 18th edition regulations
  • Features hands free functionality
  • Features 30mA autotest
  • Includes Ramp test
  • Measures AC Voltage VLN
  • Capable of Distribution board polarity test
  • Warning LED for polarity and voltage
  • Dedicated result recall button
  • Compact, ergonomic device
  • Easy to read digital display
  • Battery life of up to 50 hours
  • Portable and supplied with it's own soft carry case
  • Rated CAT IV 300V

Kewtech part number: KT500

What's In The Box?
  • KT500 Digital RCD Tester
  • KAMP 12 Mains lead
  • Carry Case
  • Manual
  • Calibration certificate
More Information

Test Current Accuracy

  • Test Current
    x 1⁄2
    x 1, x 5
  • Accuracy
    - 0% to - 10%
    + 0% to - 10%

Trip Time Accuracy

  • Test Current
    < 1 second
    > 1 second
  • Accuracy
    ± (1% + 1 ms)
    ± (1% + 10 ms)

RCD Trip Time

  • Measurement Range: 5 ms - 1999 ms
  • Accuracy: 38 ms - 1999 ms


  • Supply Voltage: 195V - 253V AC 50Hz
  • Power supply: 4 x AA LR6 Batteries
  • Battery life: 50 hours
  • Overvoltage category: CAT IV 300V
  • Operating temperature: 0 - 40˚C
  • Storage temperature: -10 to 60˚C
  • Operating humidity: 80% @ 31˚C to 50% @ 40˚C
  • Safety Compliance: BSEN 61010-2-030:2010
  • EMC compliance: BSEN 61326-2-2:2013
  • Performance standard:
    BSEN 61557-1:2007
    BSEN 61557-3:2007
  • Probes: GS38 compliant
  • Dimension (mm): 180mm x 85mm x 50mm
  • Weight (g): Approximately 450g