Analogue earth resistance tester detector house safety

# measuring ranges:

* earth resistance: 10/100/1000 ohm
* earth voltage: 30V AC (5Kohm/V approx.)
* accuracy: ± 5% of full scale

# measurement system:

* earth resistance: with a constant current inverter : 800Hz approx. 2mA
* earth voltage: with a rectifier, type 5Kohm/V approx. 40 - 500Hz

# withstand voltage: 1500V AC for 1 minute between electrical circuit and housing
# self-check facility: to check cable connection to the C and P terminals and test auxiliary earth resistance
* earth resistance value can be read directly from scale
* easy to execute simplified measurements
* low power consumption
* hard ABS carrying case accommodates all accessories