Measurement of AC current, higher harmonic current, Complex Waveforms current, transient current, starting current, Phase, Electric energy, power, power factor etc. 1. Model No.:ETCR001F 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

Overhead line ground fault detector apply for single-phase ground fault detection of overhead high-voltage lines, and accurately locates the ground fault point. Accurately search hidden ground faults of overhead line such as single-phase metallic grounding, arcing grounding, transition resistance grounding, insulator breakdown, and lightning arrester breakdown,etc. 1. Model No.: ETCR1400 2. Detection Method: Clamp CT 3. Output Voltage: 3000V/8000V two gears 4. Output Frequency: 50Hz 5. Communication Mode: Wireless/Bluetooth 6. Power Supply: Host: 14.8V, 5200mAh Rechargeable lithium battery; Detector clamp: 3.7V, 2600mAh Rechargeable lithium battery

Three-phase Digital Phase Voltammeter in the case of the tested circuit is not open-loop, Measuring three-phase AC voltage, current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor between voltage and current. 1. Model No.:ETCR4300 2. Current Range: AC 0.0mA~20.0A 3. Voltage Range: AC 0.00V~600V 4. Phase Range: 0.0°~360.0° 5. Frequency Range: 45.00Hz～65.00Hz 6. Power Supply: DC9V Alkaline battery (LR6 1.5V AA×6)

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

Clamp Earth Resistance Tester applied to earth resistance measurement, loop resistance measurement. no need to disconnect the grounding down leads, no need auxiliary electrode, saving time and more effect. 1. Model No.: ETCR2000+ 2. Measure Range: 0.010Ω~1200Ω 3. Data Storage: 99 sets 4. Alarm Threshold Setting: 1-199Ω 5. Alarm Function: audible and visible alarm 6. Power Supply: 6VDC ( 4 PCS of No.5 Alkaline dry batteries)

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

Precision4-wire, 3-wire, simple 2-wire measurementmethod to measure earth resistance, soil resistivity, earth voltage. 1. Model No. : ETCR3000B 2. 2/3/4-wire 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 9V (Alkaline dry battery LR14 1.5V 6 PCS )

Portable Insulation Resistance Tester applied to measuring the insulation resistance of electric motor, cable, switch, electrical appliance and other electrical equipment and insulation materials. 1. Model No.: ETCR3460A 2.Rated Voltage: 50V~ 2500V 3. Insulation Resistance Range: 0.1MΩ~200GΩ 4. Voltage Range: AC/DC 0~750V 5. Output Short Circuit Current: ≥2mA MAX 6. Power Supply: DC 1.5V LR14*6PCS

In the case of the tested circuit is not open-loop, Measuring three-phase AC voltage, current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor and current vector sum. 1. Model No.: ETCR4320 2. Voltage Range: AC 0.00V～600V 3. Current Range: AC 0.0mA～600A 4. Frequency Range: 45.00Hz～65.00Hz 5. Data Storage : 500 groups 6. Power Supply : DC9V Alkaline battery (LR6 1.5V AA×6)

Wireless High Voltage Phase Detector applied to electric power lines below 500KV, high voltage switchgear (metalclad withdraw switchgear, ring main unit, etc.) or substation phase detecting, phase test, phase sequence judgment and electricity inspection, etc. 1. Phase Detection Method: Contract & Non-contact phase detection method 2. Phase Detection Voltage: 10V~500kV 3. Phase Detection Distance: 260m 4. Phase Range: 0°~360° 5. Frequency Range: 45.0Hz~65.0Hz 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh 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); 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.:ETCR3520B 2. Insulation Resistance Range: 0.5MΩ~20TΩ 3. Rated Voltage: 250v~10Kv(6gears) 4. Shout Circuit Current: ≥7mA MAX 5. VoltageTest Range: AC/DC 0V～1000V 6. Power Supply : Rechargeable lithium battery pack 6.2Ah 14.8V

On-line monitoring of loop grounding resistance and metal loop coupling resistance, and grounding condition monitoring. 1.Model No.:ETCR2800KC 2. Measure Range: 0.010Ω~100Ω 3. No need to disconnect the grounding down lead and no need with auxiliary electrodes 4. Rain and dust proof, can be installed and used in outdoor 5. 47mmX28.5mm LCD 6. Power Supply : 6VDC~12VDC, 50mA Max.(External power supply, optional GPRS 12VDC 150mA Max)

Insulation Resistance On-line Monitor apply for online monitoring the insulation resistance value of various electrical equipment and insulation materials such as cables, motors, switches, electrical appliances, etc.. 1. Model No.: ETCR3580 2. Rated Voltage: 500V 3. Insulation Resistance Range: 0.1MΩ~10GΩ 4. Communication Mode: Manual operation or RS485 remote 5. Circuit Loop Quantity:1~8 Channel 6. Power Supply: DC 12V (External power supply)

Clamp Earth Resistance Tester applied to earth resistance measurement, loop resistance measurement. no need to disconnect the grounding down leads, no need auxiliary electrode, saving time and more effect. 1. Model No.: ETCR2100+ 2. Measure Range: 0.010Ω~1200Ω 3. Data Storage: 99 sets 4. Alarm Threshold Setting: 1-199Ω 5. Alarm Function: audible and visible alarm 6. Power Supply: 6VDC ( 4 PCS of No.5 Alkaline dry batteries)

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 current. 1. Model No.: ETCR6900 2. Range：AC 0.00A～9999A 3. Data Storage: 99 groups 4. Line Voltage: below 600V 5. Coil Diameter: Φ200mm 6. power supply : Zinc manganese dry battery 6F22 9V

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.:ETCR3520 2. Insulation Resistance Range: 0.5MΩ~10TΩ 3. Rated Voltage: 250v~5Kv(5gears) 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 of DC/AC current. 1. Model No. : ETCR7000D 2. Range : DC: 0.0A～2000A AC: 0.0A～1000A 3. Data Storage : 99 groups 4. Peak Hold : Peak value capture and hold function, long pressHOLD key display peak value 5. Working Current : 20mA 6. Power Supply : DC 6V (LR6×4 alkaline dry batteries)

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.: ETCR4020 2. Simultaneous Measurement of Two Channel AC Current Range : 0mA~600A 3. Simultaneous Measurement of Two Channel AC Voltage Range: 0.00V~600V 4. Simultaneous Phase Test Between UI, II and UU Range : 0.0°~360.0° 5. Frequency Range: 45.00Hz～65.00Hz 6. Power Supply : DC9V Alkaline battery LR61.5V AAX6PCS

380v ~ 220kV high voltage line electricity test, high voltage line voltage to ground test, induction voltage test, high voltage line current test. 1. Model : ETCR1800B 2. Electricity Test Level: 380V、6.6kV、10kV、35kV、66kV、110kV 3. Voltage to Earth Display Range : 0.1kV～69kV（Voltage to earth） 4. Electricity TestVoltageRange : 380V～110KV 5. Wireless Frequency : 433Hz 6. Power Supply: Receiver: DC6V, alkaline battery LR03X 4PCS; Detector: zinc-manganese dry battery 6F22, 9V