Measurement of AC/DC leakage current. 1. Model No.: ETCR6000 2. Range： 0mA～60.0A 3. Data Storage: 99 groups 4. Line Voltage: below 600V 5. CT Size: Φ7mm 6. Power Supply: Alkaline battery 6LR61 9V

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.

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

Online monitoring of grounding resistance, grounding voltage. 1. Model No.:ETCR2900 2. RS485 communication protocol(support MODBUS) 3. Measure Range: 0.010Ω~2000Ω 4. Ground Voltage : 0~600V AC 5. Online detection and real-time monitoring, LCD: 124mm×67mm 6. Power Supply : Standard:12V±1VDC, 400mA Max. Optional: 24V±1VDC (provided externally)

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 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

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)

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

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 AC leakage current, current, higher harmonic current, phase, power energy, power, power factor. 1. Model No. : ETCR014 2. Range：0.00mA~100A AC 3. Turn Ratio：2500 ：1 4. Resolution : 0.01mA AC 5. Accuracy Class :0.5 6. Clamp Size : φ14mm

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 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

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

On-line detecting of AC/DC current. 1. Modle No.: ETCR068AD 2. Range：AC/DC 0.0A~1500A 3. Resolution：0.1A 4. Accuracy Class: 3.0 5. Output Signal：1mV/1A 6. Power Supply : 9V DC 6F22

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 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

Detecting of AC leakage current, current, higher harmonic current, phase, power energy, power, power factor. 1. Model No.: ETCR008 2. Range：0.00mA~30A AC 3. Turn Ratio：2500 ：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. Clamp Size: φ8mm

Metalclad Withdraw Switchgear Wireless Phase Detector applied to phase judgment and phase sequence testing of handcart type metalclad withdraw switchgear in 10KV-35KV power distribution system. 1. Model No.: ETCR1540 2. Phase Detecting Voltage: 10KV~35KV 3. Phase Detecting Distance: 20m 4. Phase Range: 0°~360° 5. Transmitting Frequency: 433MHz, 315MHz 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh Rechargeable lithium battery

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