Applied to testing the performance parameters of the lightning protection elements such as metal oxide varistor(MOV) and gas discharge tube (GDT) and the insulation resistance (Mohm), polarization index (PI), dielectric absorption ratio (DAR). 1.Model No.:ETCR3800B 2. Initial action voltage test，Range：50～3000V 3. Leakage Current ，Range：0～1000μA 4 .DC breakdown voltage test，Range：50～3000V 5 .Insulation resistance Mohm test：Range：0.5～10GΩ 6. Power Supply : DC 7.4V 2600mAH rechargeable lithium battery

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR033H 2. Range : 0.000mA～20A AC 3. Resolution: 0.001mA 4. Accuracy Class: 1.0 5. Turn Ratio : 800:1 6. CT Size : Φ33mm

The milliohmmeter apply to measure the wire resistance of cables, the contact resistance of switches, connectors and relays, the DC resistance of coils, motors and transformers windings, and the connection resistance of the connecting conductor between the metal riveting, the metal components, the ground grid and the ground pole, etc. 1. Model No.: ETCR3620 2. Measurement Range：1mΩ～20.0kΩ 3. Detection Mode : AC/DC 2 channel simultaneous detection 4. Data Storage : 200 groups 5. Inspection Function : Yes 6. Power Supply : DC 7.4V 2600mAH rechargeable lithium battery

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

Non-Contact Earth Resistance On-line Detector, on-line monitoring of grounding resistance and metal loop coupling resistance, grounding condition monitoring 1. Model No.: ETCR2800B 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.

Earth resistance measurement, loop resistance measurement，grounding down leads leakage current measurement, judge ground fault. 1. Model : ETCR2000 2. Resistance Range : 0.010Ω-1000Ω 3. Data Memory : 99Groups 4. LCD Screen : 4 Digits LCD display 5. Protection Class : Double insulation 6. Power Supply : DC: 6V ( 4 PCS of LR6 Alkaline batteries)

Ground Resistance Test Line and Accessories Suitable for grounding resistance test of earth grid

Detecting of AC current, phase, power energy, power, and power factor, harmonic etc. Apply to oscilloscope, harmonic analyzer, Power fault analyzer and other industrial control devices 1. Model No.: ETCR040A 2. Range ：0.00A～500A 3. Turn Ratio/Output Voltage ： 4000:1 /0～3V(20Ω) 4. Resolution : 0.01A 5. Accuracy Class :0.5 6. Clamp Size :35mm×40mm

Measurement of High/Low voltage AC current below 60kV. (Above 600V, operate with insulation rod). 1. Model No.: ETCR9200 2. Current Range: AC 0mA～1200A 3. Resolution: 1mA 4.CT Size: φ68mm 5. Line Voltage: Below 60kV current test , operate with insulation rods 6. Power Supply: 6VDC (LR03 × 4pcs alkaline dry batteries)

H/L voltage AC leakage current and current measurement below 60KV. (Above 600V operate with insulation rods). 1. Model No.: ETCR9100 2. Current Range: AC 0.00mA～600A 3. Resolution: 0.01mA 4.CT Size: φ33mm 5. Line Voltage: Below 60kV current test , operate with insulation rods 6. Power Supply: 6VDC (LR03 × 4pcs alkaline dry batteries)

Measurement of AC leakage current, current. 1. Model No.: ETCR7000 2. Range: 0.00mA~2000A 3. Data Storage: 200 groups 4. Line Voltage: below 600V 5. CT Size: 80mm x 80mm 6. Power Supply ：6V DC(LR6×4 alkaline dry batteries)

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~60A AC 2：Turn Ratio：800：1 3：Resolution : 0.01mA 4：Accuracy Class : 0.5 5: Safety Class : CATⅢ600V 6: CT Size：Φ68mm

Precise3/4-wire,simple 2-wire method to measure earth resistance, soil resistivity, earth voltage. 1. Model No.: ETCR3100C 2. 2/3/4-pole method measure earth resistance,Range: 0.00Ω~30.00kΩ 3. Soil resistivity measurement, Range: 0.00Ωm ~ 9000kΩm 4. Earth voltage measurement,Range: AC 0~600V 5. Data storage: 300 sets 6. Power Supply : DC 7.4V 2600mAh rechargeable lithium battery, full charge about DC 8.4V

Online monitoring of grounding resistance, grounding voltage. 1. Model No.: ETCR2900B 2. Ground resistance ：0.01Ω～2000Ω 3. Communication method ：RS485 or GPRS 4. Monitoring Interval Time :Setting range of automatic monitoring interval time :1-999 h 5. Measurement rate：over 10000 times 6. Power Supply : Standard：12V - 24V (±1VDC)、400mA Max（provided externally）

Suitable for measuring the insulation resistance,dielectric absorption ratio andpolarization index of electric motor ,cable ,switch,electrical appliance and others electrical equipment and insulation materials. 1. Model No.: ETCR3480B 2. Insulation Resistance Tester：0.1MΩ～400GΩ 3. Voltage Range：AC/DC 0V~750V 4. Rated Voltage：5000V 5. Short Circuit Current：≥2mA MAX 6. Power Supply : DC 1.5V LR14 X 6PCS

Multifunction Wireless High Voltage Phase Detector applied to phase detecting, phase testing, phase sequence judgement and electrictity testing of the high voltage line,metalclad withdraw switchgear and ring main unit and others occasion. 1. Model No.: ETCR1560 2. Phase Detection Mode: Normal phase detector & Remote phase detection 3. High Voltage Phase Detection Voltage : AC 10V~500kV 4. Ring Main Unit Phase Detection Voltage: AC 1V~600V 5. Metalclad Withdraw Switchgear Phase Detection Voltage : AC10KV ~35KV 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh Rechargeable lithium battery

Measurement ofAC/DC Current, AC/DC voltage, resistance, capacitance, continuity test, diode forward voltage drop andLED working voltage parameters etc. 1. Model No. : ETCR6470 2. DC Voltage : 2V/20V/200V/2000V 3. AC Voltage : 2V/20V/200V/2000V 4. DC Current : 20A/200A/2000A 5. Capacitance : 20uF/200uF/2uF/20uF/200uF/2000uF 6. Power Supply : 6F22 9V(IEC6F22, NEDA1604, JIS006P)

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

Applied to high / low voltage AC current measurement below 110kV (operated with insulation rod above 600V). 1. Model No.: ETCR9000B 2. Current Range: AC 0mA～1200A 3. Resolution: 1mA 4.Communication Mode: Wireless, transmission distance 30M 5. Line Voltage: Current testing below 110kV , operate with insulation rod 6. Power Supply: 6VDC (LR03 × 8pcs alkaline dry batteries)

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. Model No. : ETCR016 2. Range : 0.00mA～20A 3. Accuracy Class : 0.5 4. Turn Ratio : 800:1 5. Frequency : 10Hz～100kHz 6. Clamp Size : φ16mm