UNI-T UT523A Earth Resistance Soil Resistivity Tester (4 wires)

Earth resistance: 0~210.0kΩ

Soil resistivity: 0 ~ 9000kΩm

Earth voltage: AC 0.00～750V ±(2%+5)

Testing resistance: 128Hz/111Hz/105Hz/94Hz(AFC)

Short-circuit testing current: AC 30mA max

Open-circuit testing voltage: AC 40V max

Power supply: DC 9V (6 Zinc-manganese dry batteries, R14S 1.5V; can continuously standby for 300hrs)

Product weight: 1443g (including batteries)

Product size: 215mm×190mm×95mm

Standard accessories: Standard test lead, simple test lead, batteries, PC software CD, RS232 interface cable

Standard test wire: 4pcs, 20m red, 20m black, 10m yellow, 10m green