UNI-T UT523A Earth Resistance Soil Resistivity Tester (4 wires)
制造商: UNI-T Model: UT523A 来源: China - 报价要求
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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
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