ETCR Electronic Technology CO.,Ltd. was established in 2006, the factory is located in Guangzhou Guangdong ,South China .It is a state-level high-tech enterprise specialized in producing non-contact and intelligent electronic measuring instruments. The products can be widely used in the power system, petroleum, chemical engineering, telecommunication, meteorology, military,railway, industrial and mining establishments.
ETCR is a main and leading manufacturer of earth tester in china, it's main product of earth resistance tester etcr2000 produced in 1999 is the first product in the field of testing instrument in China.
Multifunction Three-Phase Phase Voltammeter can measure the voltage amplitude, current amplitude, voltage phase, current phase, the phase between voltage and current, frequency, power, active power, reactive power,harmonic and so on parameters at the same time. 1. Model No.: ETCR4400 2. Current Range: 0.001A-20A 3. Voltage Range: 2V-700V 4. Phase Range: 0°~360° 5. Harmonic range: 2 ~ 21 times 6. Power Supply : DC7.4V, 5200mAH rechargeable lithium battery
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