Applied to measuring transformer winding resistance; grounding continuity resistance; cable & conductor resistance; contact resistance of switches, connectors and relays; metal riveting resistance; winding resistance of coil, motor and transducer; connection resistance between metal components; welding point resistance; Battery parallel connection resistance; wire length measurement and calculation, etc. 1. Model No. ：ETCR3660 2. Range : 10.0uΩ～50.00KΩ 3. Test Current ：10A,1A, 100mA, 10mA, 2mA, 1mA, Automatic 4. Max Test Current : 10A 5. Measurement Method : Precision 4-wire method, 2 chennal A/D detecting simultaneously 6. Power Supply : DC 7.4V 5200mAh, rechargeable lithium battery, full charge about 8.4V

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

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

Measurement of primary and secondary current, transformation ratio, phase difference, polarity and phase sequence of current transformers and transformers below 35kV 1. Model No.: ETCR9550B 2. Primary Current Test Accuracy : High voltge clamp: 0.0A～800A/0.1A/±0.5%FS Flexible coil clamp: 0.0A~3000A/0.1A/±1%FS 3. Secondary Current Test Accuracy: 0.00mA~5A/ 0.01mA/ ±0.5%FS 4. Turn Ratio Measurement Range: 1~500 5. Transmission Distance: Primary: 100m; Seconary: 2m cable 6. Power Supply: DC6V alkaline batteries (1.5V AAA × 8)

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR048HA 2. Range : 0mA～800A AC 3. Resolution: 1mA 4. Accuracy Class: 1.0 5. Turn Ratio : 4000:1 6. CT Size : Φ48mm

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

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 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

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

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.: 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.: 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

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR068HA 2. Range : 0mA～1200A AC 3. Resolution: 1mA 4. Accuracy Class: 1.0 5. Turn Ratio : 4000:1 6. CT Size : Φ68mm

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 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 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 AC leakage current, phase, power energy, power, power factor, harmonicetc. Apply to oscilloscope, harmonic analyzer, power fault analyzer and other industrial control devices. 1：Range：0.00mA~40A AC 2：Turn Ratio：800：1 3：Resolution : 0.01mA 4：Accuracy Class : 0.5 5：Safety Class: CATⅢ600V 6：CT Size：35mm x 40mm

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

Suitable for insulation resistance testing of cable, motor, generator, transformer, mutual inductor, high voltage switch, arrester and other large equipment. Insulation resistance measurement (IR); polarization index measurement (PI); dielectric absorption ratio (DAR); ramp test mode (RAMP); Filtered resistance test mode (FR). Voltage test(V); capacity test（uF）; current test（nA） 1. Model No.:ETCR3520C 2. Insulation Resistance Range: 0.5MΩ~30TΩ 3. Rated Voltage: 250v~15Kv(7gears) 4. Shout Circuit Current: ≥7mA MAX 5. VoltageTest Range: AC/DC 0V～1000V 6. Power Supply : Rechargeable lithium battery pack 6.2Ah 14.8V

Phase sequence detection (positive phase, anti-phase, default phase), live line inspection, simple electrical inspection, fire line identification, default phase judgment, broken line location search, DC line breakpoint detection, line maintenance. 1. Model No.: ETCR1000D 2. Test Method: Non-contact type 3. Live Electricity Range: AC 70~1000V 4. Frequency Range: 45~65Hz 5. Clamp Wire Diameter: Φ10~Φ40mm 6. Power Supply: DC 3V AA alkaline batteries (LR6)×2PCS