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

Measurement ofDC/AC current. 1. Model No.: ETCR7100D 2. Range : DC: 0.0A～2000A AC: 0.0A～1000A 3. Frequency Response : AC:45Hz~400Hz 4. Peak Hold : Peak value capture and hold function, long pressHOLD key display peak value. 5. Data Storage : 99 groups 6. Power Supply : DC 6V (LR6×4 alkaline dry batteries)

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)

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

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 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

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

On-line monitoring of grounding resistance and metal loop coupling resistance, grounding condition monitoring 1. Model No.: ETCR2800C 2. Test Mode: Non-contact type 3. Communication Mode: RS485 or GPRS communication (optional) 4. Resistance Range: 0.01Ω~200Ω; 5. Accuracy: ±2%rdg±3dgt(20℃±5℃,Below70%RH) 6.Power Supply: 6VDC~12VDC, 50mA Max.

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.: 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 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, 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

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

Suitable for secondary development, online monitoring of loop grounding resistance and metal loop connection resistance, grounding condition monitoring. 1.Model No.:ETCR2800N 2. Measure Range: 0.010Ω~100Ω 3. Equip with RS485( support MODBUS-RTU communication protocol) or GPRS interface 4. can be built into inside case of other equipment ,convenient the secondary development and integration by users 5. Network system can be built to realize real-time detection and remote monitoring 6. Power Supply : 6VDC~12VDC, 50mA Max.(External power supply, optional GPRS 12VDC 150mA Max)

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. : ETCR048HA 2. Range : 0mA～800A AC 3. Resolution: 1mA 4. Accuracy Class: 1.0 5. Turn Ratio : 4000:1 6. CT Size : Φ48mm

After the operator wears the alarm, and close to the high voltage charged body for a certain distance, the alarm will send out a sound and light alarm according to the safety distance of the corresponding voltage level to remind the electrical worker to pay attention to safety and avoid high voltage electric shock accident. This product can also be used for line fault detection and electroscope. 1. Model : ETCR1880C 2. Alarm Voltage Range : 40V～1KV(Low voltage alarm) 3. Working Frequency : 50Hz/60Hz 4. Electricity Testing Mode : Non-contact mode 5. Detection Mode : Automatic trigger 6. Power Supply : CR1632（140mAH）button cell2PCS

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