Applied to electric power lines below 500KV, high voltage switchgear (metalclad withdraw switchgear, ring main unit, etc.) or substation remote phase detecting, phase test, phase sequence judgment and electricity inspection, etc. 1. Model : ETCR1500B 2. Phase Detection Voltage : AC10V～500kV 3. Satellite Phase Detecting Distance : 500km 4. Normal Phase Detecting Distance : 260m 5. Voice Prompt : "X signal is normal, Y signal is normal, same phase, out phase". 6. Power Supply : Host：3.7V, 2600mAh Rechargeable lithium battery；Detector:3.7V, 600mAh Rechargeable lithium battery

The clamp current monitor use wireless communication to upload test data to concentrator or server for real-time monitoring of current, leakage current, troubleshooting of circuit insulation fault, monitoring of intermittent leakage fault, checking the time of insulation fault and fault location, etc. 1. Model No.: ETCR8072/ETCR8072A 2. Range : AC 0.0mA-600A/ AC 0mA-1000A 3. Clamp Size : Φ70mm 4. Communication Mode: GPRS communication mode or GSM 4G network 5. Sampling Frequency : 1 times/second 6. Power Supply : 3300mAH

Earth resistance measurement, loop resistance measurement. 1. Model No.:ETCR2100A+ 2. Resistance Measure Range: 0.010Ω~200Ω 3. Data Storage: 99 sets 4. Alarm Threshold Setting: 1-199Ω 5. Alarm Function: audible and visible alarm 6. Power Supply : 6VCD ( 4 PCS of No.5 LR6 Alkaline dry batteries)

Online test the leakage current, current, transformation ratio, ratio error, angle error, phase and polarity of the primary and secondary circuit of the current transformer in the 380V/220V distribution system 1. Model No.:ETCR9600 2. Primary Current Test Accuracy: 0.0A～800A/ 0.1A/ ±0.5%FS 3. Secondary Current Test Accuracy : 0.00mA～5A/ 0.01mA/ ±0.5%FS 4. Turn Ratio Measurement Range: 1～500 5. Communication Cable Length: 2M 6. Power Supply : Alkaline batteries (1.5V AAA × 4)

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

On-line AC current measurement below 500kV (above 600V operate with insulated rod). 1. Model No.: ETCR9310B 2. Measurement Range ：0.00A～9999A(50/60Hz automatic) 3. DataStorage：99 groups 4. Test Mode : Non-contact U-type CT 5. CT Size : Ф68mm 6. Power Supply: 6V DC(LR03×8 alkaline dry batteries)

Earth resistance measurement, loop resistance measurement, grounding down leads leakage currentmeasurement, judge groundfault. 1. Model No.: ETCR2000C+ 2. Resistance Measure Range: 0.010Ω~1200Ω 3. Leakage Current Measure Range: 0.00mA~20.0A 4. Alarm Threshold Setting: 1-199Ω 5. Alarm Function: audible and visible alarm 6. Power Supply : 6VDC ( 4 PCS of No.5 LR6 Alkaline dry batteries)

Remote online current/leakage current monitoring, leakage alarm, power failure alarm, normal power supply indication; Remote monitoring and alarm of other sensors and equipment; It can also be used as a circuit burglar alarm. 1. Model No.:ETCR8700 2. Current Range : 0.00mA~60.0A 3. Accuracy: ±2%rdg±5dgt 4. Current Gear Shift: Automatic 5. Communication Mode: GPRS, RS485 6. Power Supply: external power adaptor: AC110V～240V change to DC12V

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

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); absorption ratio (DAR); ramp test mode(RAMP) ; filtered resistance test (FR); Voltage measurement(V); current measurement（nA） 1.Model No.:ETCR3500B 2. Insulation Resistance Range: 0.5MΩ~5TΩ 3. Rated Voltage: 250v~10Kv(6 gears) 4. Shout Circuit Current: >5mA MAX 5. VoltageTest Range :AC/DC 0V～1000V 6. Power Supply : Rechargeable lithium battery pack 5.2Ah 14.8v

Live Zinc Oxide Arrester Clamp Tester also known as live MOA tester, used for testing the leakage current of the zinc oxide arrester below 35kV circuit line to judge whether the performance of the arrester is deteriorating. 1. Model No.: ETCR9400 2. Test Mode: Clamp CT 3. Measurement Range: AC 0.00mA~ 300mA (True RMS) 4. Communication Mode: 433Hz wireless communication 5. Communication Distance: 30m 6. Power Supply: Master: DC 7.4V 2000mAh rechargeable battery, full charge about 8.4VDetector: DC 7.4V 2600mAh rechargeable battery, full charge about 8.4V

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

Intelligent Equipotential Connection Resistance Tester is applied to measurement of the equipotential connection resistance between metal components in buildings (Lightning protection zone, ground beam, construction, protection structure, ribbed slab, water pipe, radiator, bathroom, kitchen and other objects). 1. Model No.:ETCR3600 2. Resistance Range：0.01Ω~40Ω 3. Measurement Power: ≤10W; Max Working Current: ≥1A 4. Detection Mode: AC/DC two channel detection simultaneous 5. Measurement Time : 3 second/times 6. Power Supply : DC 7.4V 2.6Ah rechargeable lithium battery

Wrist Type High Voltage Approach Electric Alarm, 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 No.: ETCR1860 2. Alarm Voltage Range : 1kV~500kV 3. Electricity Testing Mode : Non-contact mode 4. Detection Mode : Automatic trigger 5. Max. Alarm Distance: 5.5m 6. Power Supply: CR1632（140mAH）button cell

Precision 3-wire, simple 2-wire method to measure earth resistance, earth voltage and low resistance. 1. Model No.: ETCR3000C 2. Earth resistance measurement, Range: 0.010Ω~2000Ω 3. Earth voltage measurement,Range: AC 0~600V 4. Data storage: 400 sets 5. Alarm function: audible and visual alarm 6. Power Supply : DC 7.4V 2600mAh rechargeable lithium battery, battery charge full about 8.4V

Measurement of DC leakage current, DC current, Car leakage overhauling. 1. Model No. : ETCR6300D 2. Range : 0.0mA～6.00A DC 3. Data Storage : 99 groups 4. Peak Hold : Peak value capture and hold function, long press HOLD key display peak value 5. Working Current : 20mA 6. Power Supply : Alkaline battery 6LR61 9V

Apply to equipotential bonding resistance testing between metal components, the transformer windings DC impedance testing. Measurement of DC low value resistance, contact resistance, riveting resistance, wire length, etc. 1. Model No.: ETCR3700 2. Range: 0.0001Ω~30.00kΩ 3. Data Storage : 400 groups 4. MaxTest Current ：≥2A 5. Detection Mode : Precision 4-wire method, 2 channel A/D simultaneous detection 6. Power Supply : DC 7.4V 2.6Ah, rechargeable lithium battery, full charge about 8.4V

Simultaneously monitor and record 1~3 channel of AC leakage currents, currents, and voltages. Used for the inspection of circuit insulation faults, monitoring of intermittent leakage faults, transformer core grounding current monitoring, cable grounding circulating current monitoring and other line current and voltage monitoring. 1. Model No.:ETCR8340 2. Current Range: AC 0.00mA～20A/60A/300A/600A/1000A/6000A(option) 3. Voltage Range: AC 0.0V～600V 4. Current Test Channel : 1~6 channel(option) 5. CT Caliber: Φ40mm/Φ60mm/64x16mm/Φ100mm(optional) 6. Power Supply: 6VDC～24VDC，50mA Max.(External power supply)

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

AC current on-line measurement below 500kV (operate with insulation rod above 600V). 1. Model No.: ETCR9330B 2. Measurement Range ：0.00A～9999A 3. DataStorage ：99 groups 4. Test Mode : Hook type opening mouth structure 5. CT Size : Ф128mm 6. Power Supply : 6V DC(1.5V AAA×4 alkaline dry batteries)