Wireless PT Secondary Voltage Drop/Load Tester used for wireless synchronous measurement of secondary voltage drop, load, current, voltage, phase and other parameters of the potencial transformer in substation. 1. Model No.: ETCR4500 2. Test Parameter: Voltage,current,phase,frequency,harmornic,power etc. 3. Communication Mode: GPS Satellite Timing Service & LORA wireless communication 4. Communication Distance: 1000m 5. LCD: 5inch touch color screen 6. Power Supply: DC7.4V, 5200mAH rechargeable lithium battery
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