On-line monitoring of loop grounding resistance and metal loop coupling resistance, and grounding condition monitoring. 1. Model No.:ETCR2800KB 2. Measure Range: 0.010Ω~100Ω 3. No need to disconnect the grounding down lead and no need with auxiliary electrodes 4. Rain and dust proof, can be installed and used in outdoor 5. Network system can be built to realize real-time detection and remote monitoring 6. Power Supply : 6VDC~12VDC, 50mA Max.(External power supply, optional GPRS 12VDC 150mA Max)
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