Earth/ Ground Tester

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Digital Earth Tester

Digital Earth Tester

Product Features
  • Capable of measuring earth voltage.
  • Data hold , MAX / MIN function.
  • Auto power off function:
    The timer operates automatically about 3 minutes when the " Test Button Switch " are pressed to keep the tester power on.
  • 2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.
  • In addition to the facility for precision measurement, test leads for simplified two wire measuring system also supplied as standard accessories.(unit can be hung from the neck for simplified measurement).
  • Automatic warning when resistance of auxiliary earth. Spikes is in excess of tolerance.
  • Designed to meet EN61010-1 safety standard.
  • Zero ohm adjustment

Measuring Range and Accuracy ( at 23 and  45-75%RH ) 


Measuring range


Overload Protection

Earth Voltage

0 ~ 399.9V (50Hz, 60Hz)


400Vrms / 1 minute

Earth Resistance

0 ~ 39.99Ω


250Vrms / 10 seconds

0 ~ 399.9Ω


0 ~ 3999Ω


Current Consumption ( typical Value with battery voltage of 12V ) 

40Ω/ 400Ω/4000Ω
Earth V 22mA


General Specification:

Safety Standard

EN 61010-1 overvoltage category , EN 61557


3-3/4 digit liquid crystal display with a maximum reading of 3999.

Timer (Auto power off)

about 3 minutes.




Approx. 800 (with battery)

Power Source

Eight 1.5V 01t AA Size Battery.

Over range Indication

“ OL ” will be shown on the LCD Penal when out of range measurement is made.

Operating Temperature and Humidity

0°C to 40°C (32°F to 104°F) , below 80% RH

Storage Temperature

-10°C to 60°C (14°F to 140°F)


Test leads 1 set, Auxiliary earth spikes 4 piece, Battery 8 piece, Carrying case, Neck strap, Manual.