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.
Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR048H 2. Range : 0.00mA～50A AC 3. Resolution: 0.001mA 4. Accuracy Class: 1.0 5. Turn Ratio : 800:1 6. CT Size : Φ48mm
Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR068H 2. Range : 0.00mA～60A AC 3. Resolution: 0.01mA 4. Accuracy Class: 1.0 5. Turn Ratio : 800:1 6. CT Size : Φ68mm
Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.: ETCR010K 2. Range：0.00mA~20A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. Safety Class: CATⅢ600V
Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.:ETCR025K 2. Range：0.00mA~30A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. CT Size: Φ25mm
Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.:ETCR040K 2. Range：0.00mA~60A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. CT Size: Φ40mm
Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.:ETCR080K 2. Range：0.00mA~60A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. CT Size: Φ80mm
Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR022KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：Φ22mm
On-line detecting of DC leakage current. 1. Model No.: ETCR010KD 2. Range: 0.0mA~100mA 3. Resolution: 0.1mA 4. Accuracy Class: 3.0 5. Signal Output : 50mV/1mA 6. Power Supply: ±12V DC
On-line detecting of DC leakage current. 1. Model No.: ETCR025KD 2. Range: 0.0mA~100mA 3. Resolution: 0.1mA 4. Accuracy Class: 3.0 5. Signal Output : 50mV/1mA 6. Power Supply: ±12V DC
Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR045KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：Φ45mm
Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR080KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：80mm X 20mm
Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR090KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：Φ90mm
Measurement of high accuracy AC leakage current, current, higher harmonic current, frequency, phase, power and energy. 1. Model No. : ETCR082K 2. Range ：0.00mA~60A AC 3. Turn Ratio：1000：1 4. Resolution ：0.01mA 5. Accuracy Class : 0.5 6. CT Size：80mm x 26mm
Measurement of high accuracy AC leakage current, current, higher harmonic current, frequency, phase, power and energy. 1. Model No. : ETCR085K 2. Range ：0.00mA~60A AC 3. Turn Ratio：1000：1 4. Resolution ：0.01mA 5. Accuracy Class : 0.5 6. CT Size：85mm x 20mm
Measurement of AC current, higher harmonic current, Complex Waveforms current, transient current, starting current, Phase, Electric energy, power, power factor etc. 1. Model No.:ETCR001F 2. Range: AC 0A～3000A/6000/10000A（Optional） 3. Signal Output：AC 0～1V 4. Phase Error: ≤1° 5. CT Structure: Rogowski coil 6. Power Supply：6F22 9VDC Zinc-manganese dry batteries
Measurement of AC current, higher harmonic current, Complex Waveforms current, transient current, starting current, Phase, Electric energy, power, power factor etc. 1. Model No.:ETCR002F 2. Range: AC 0A～3000A/6000/10000A（Optional） 3. Signal Output：AC 0～1V 4. Phase Error: ≤1° 5. CT Structure: Rogowski coil 6. Power Supply：6F22 9VDC Zinc-manganese dry batteries
Measurement of AC large current, higher harmonic current, complex waveforms current, transient current, phase, electric energy, power, power factor etc. 1. Model No.:ETCRFA-FB 2. Current Range: AC 0A～3000A/6000/10000A（Optional） 3. Phase Error: ≤1° 4. Current Frequency: 45Hz～70Hz 5. CT Structure: Rogowski coil 6. Response Frequency: 0.1Hz～1MHz
Phase change switch type three - phase unbalance correction device compose by the main controller and phase converter. The main controller is responsible for collecting the real-time load data of the transformer area; analyze the load voltage and current of each phase converter; Form and send command to the phase converter. The phase converter receives and executes command from the main controller. 1.Model: ETCR5500 2.Phase Change Time: 0ms 3. Communication Mode: 230MHz wireless communication；GPRS，RS485 4. Rated Voltage: Between Phase 380V/ phase zero 220V 5. Rated Frequency: 50Hz，allowable deviation：±5% 6. Power Consumption: ≤2.5W
Ground Resistance Test Line and Accessories Suitable for grounding resistance test of earth grid
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