Earth Continuity Tester - Earth Continuity Testing Equipment Kikusui earth continuity testers and earth continuity testing equipment available in the UK from electrical safety testing specialist telonic instruments. Contact us at Telonic

Earth Continuity Tester - Earth Continuity Testing Equipment

The Earth Continuity Tester verifies the integrity (continuity) of the protective bonding of the equipment (Class I equipment) designed to secure safety through the basic insulation and protective earthing. It is also called earth (ground) bonding test.

In the Earth Continuity Tester, a current in the range of 10 A to 60 A is applied for 60 seconds to few minutes. The resistance is measured by measuring the voltage. The test current is determined by the rating of the distribution system (such as 1.5 or 2 times the distribution system). Many standards define the resistance limit to less than or equal to 0.1 Ohm (some standards define the limit by the voltage drop) and the open-circuit voltage (no-load voltage) to less than or equal to 6 V or 12 V.

If the continuity of the protective bonding is confirmed, we can conclude that the equipment has the requirements for preventing electric shock even if the insulation between the primary circuit and the accessible conductive section fails and a fault current flows through the distribution system.

Earth Continuity Tester diagram


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TOS6200 [30A] Earth Continuity Tester TOS6200 [30A] Earth Continuity Tester
  • Test current value: 3 to 30 A AC / Resistance value: 0.001 to 1.200 Ohm
  • Stores 100 test conditions in memory
  • Incorporates test conditions into program
  • Contact Check function
  • Equipped with standard GPIB and RS-232C interfaces



TOS6210 [60A] Earth Continuity Tester Supporting UL60950-1 TOS6210 [60A] Earth Continuity Tester Supporting UL60950-1
  • Test current value: 6 to 60 A AC / Resistance value: 0.001 to 0.600 Ohm
  • Stores 100 test conditions in memory
  • Incorporates test conditions into program
  • Contact Check function
  • Equipped with standard GPIB and RS-232C interfaces



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