Product description: UNI-T UT522 earth resistance meter Digital earthresistance meter. Allows to perform bothhigh accuracymeasurements using3-wiremethod and basic2-wiremeasurements. Thanks to efficient battery power supply and small dimensions the device is fullymobileand can be used in any conditions. All electronics have been placed in a housing made of durableABSplastic. In the set, apart from the meter, there are necessarymeasurement accessoriesanda casein which we can pack all the elements. Ground resistance meter Uni-T UT522. The whole set is placed in a handy case. Main features of the meter Possibility of making earth potential measurements Measurement of voltage drop on earth electrode Indication of exceeding the measuring range Automatic switch off after 10 minutes Possibility of stopping the measurement indication Storing 20 last measurements Over-range indication Double insulation protection Battery status indicator LCD display with backlight Compact dimensions ABS housing Technical specification of earth resistance meter Parameter Range Earth resistance measurement 0 Ω to 40 Ω(2% + 20) 0 Ω to 400 Ω(2% + 3) from 0 Ω to 4000 Ω(2% + 3) Measuring earth voltage 0 V to 400 V(1% + 6) Frequency: 50 Hz / 60 Hz Display LCD, 70.6 mm x 34 mm Power supply battery, 6 x 1.5 V LR6 Weight 560 g Dimensions 160 mm x 100 mm x 70.5 mm