Affitto analogico metro tester della resistenza di terra di controllo di protezione da fulminazione a casa avm52ert

# 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