FEATURES

Measuring ranges Earth resistance 10/ 100/ 1000© 
Earth voltage 30V AC ( 5k© / V approx.) 
Accuracy Earth resistance within + 5% of full scale
Earth voltage within + 5% of full scale
Measurement system Earth resistance by constant current inverter 800Hz approx. 2mA
Earth voltage by rectifier type 5k© / V approx. 40 ~ 500Hz
Withstand voltage 1500V AC for one minute between electrical circuit and housing case
Self-check facility Lead wire connection to C and P terminals and proper auxiliary
Earth resistance can be checked by pressing “ BATT.CHECK? button. “ OK? lamp is illuminated
Specification
MS 5209, Mastech Earth Tester

Analog Earth Tester

Specifications
Earth Ground Resistance : 10/ 100/ 1000Ohm
Earth Voltage : 30V ( AC)