หมวดหมู่ : ETCR Electronic Technology , 
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Product Main Function
1. On - line monitoring the earth resistance of grounding system
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. EX-Mark: ExiaⅡBT3Ga
7.Explosion Proof Certification: CE18.2332X