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~200Ω
3. With GPRS communication and RS485 interface
4. Network system can be built to realize real-time detection and remote monitoring
5. EX-Mark: ExiaⅡBT3Ga
6. Explosion Proof Certification: CE18.2332X