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.
Double Clamp Digital Phase Voltammeter, direct measurement of AC voltage and AC current in the measured circuit which not open-loop, measure the phase between two voltages, two current and voltage current, and indirectly measure the power factor and power of the circuit. 1. Model No.: ETCR4000 2. Voltage Range：0~500V； 3. Current Range ：0~20A； 4. Phase Range ：0~360°； 5. CT Size：Φ8mm; 6. Power Supply : DC9V LR61.5V AAX6PCS
In the case of the tested circuit is not open-loop, measure two AC voltages, current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor between voltage and current. Discriminate the transformer wiring group, inductive and capacitive circuits, test the secondary circuit and the busbar protection system, read the phase relationship between the CTs of the differential protection groups, check the wiring of the meter for correctness, and repair the line equipment, etc. 1. Model No.: ETCR4000A 2. Simultaneous measurement of two channel AC current, range: 0.0mA~20.0A 3. Simultaneous measurement of two channel AC voltage, range: 0.00V~600V 4. Simultaneous measurement the phase between UU, II, UI, range: 0.0°~360.0° 5. Active power Range:0.0W～12kW 6. Power supply : DC9V Alkaline battery LR61.5V AAX6PCS
In the case of the tested circuit is not open-loop, measure two AC voltages, current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor between voltage and current. Discriminate the transformer wiring group, inductive and capacitive circuits, test the secondary circuit and the busbar protection system, read the phase relationship between the CTs of the differential protection groups, check the wiring of the meter for correctness, and repair the line equipment, etc. 1. Model No.: ETCR4020 2. Simultaneous Measurement of Two Channel AC Current Range : 0mA~600A 3. Simultaneous Measurement of Two Channel AC Voltage Range: 0.00V~600V 4. Simultaneous Phase Test Between UI, II and UU Range : 0.0°~360.0° 5. Frequency Range: 45.00Hz～65.00Hz 6. Power Supply : DC9V Alkaline battery LR61.5V AAX6PCS
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