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.
Large-Scale Grounding Grid Earth Resistance Tester used to measure the grounding impedance or resistance of large grounding devices, measure the conduction impedance or resistance between grounding devices, measure the soil resistivity, and measure the simple step voltage. 1. Model No.: ETCR3300B 2. Impedance Range: 0Ω~200Ω 3. Max. Current Output: 5A 4. Max. Voltage Output: 400V 5. Test Current Frequency: Auto 45Hz/55Hz 6. Power Supply: AC220V±10%, 50Hz/60Hz