Suitable for secondary development, online monitoring of loop grounding resistance and metal loop connection resistance, grounding condition monitoring. 1. Model No.: ETCR2800T 2. Measurement Range: 0.01Ω～100Ω； 3. RS485 communication protocol(support MODBUS) 4. Output Range : 0.00Ω～100Ω 5. Accuracy: ±2%rdg±3dgt (20℃±5℃，below 70%RH). 6. Power Supply: 6VDC～9VDC，50mA Max.（External power supply）

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

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)

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.: ETCR3480A 2. Insulation resistance tester：0.1MΩ～200GΩ 3. Voltage range：AC/DC 0V~750V 4. Rated voltage：2500V 5. Short circuit current：≥2mA MAX 6. Power Supply : DC 1.5V LR14 X 6PCS

Measurement of DC voltage, AC voltage, AC current true RMS, resistance, capacitance, frequency, on-off test, temperature, diode forward voltage drop and others parameters. 1. Model No.: ETCR6420 2. CT Size：Ф27mm 3. DC Voltage：0mV~600V 4. AC Voltage：0V-600V 5. AC Curent：0A-600A 6. Power Supply : LR03 X 2

Large-Scale Grounding Grid Earth Resistance Tester used to measure the grounding impedance or resistance of large grounding devices, measure the conduction impedance or resistance between grounding devices, measure the soil resistivity, and measure the simple step voltage. 1. Model No.: ETCR3300B 2. Impedance Range: 0Ω~200Ω 3. Max. Current Output: 5A 4. Max. Voltage Output: 400V 5. Test Current Frequency: Auto 45Hz/55Hz 6. Power Supply: AC220V±10％, 50Hz/60Hz

Adopt2-wire method, 3-wire method to measure grounding resistance,grounding current, grounding voltage 1. Model No.: ETCR3000+ 2. Earth Resistance Range: 0.10Ω ~ 2000Ω 3. Grounding Current Range : 0mA ~ 100A AC 4. Grounding Voltage Range : 0 ~ 200V AC 5. Data Storage :1000 groups 6. Power Supply : DC9V, R6 AA dry batteryX6PCS

Earth resistance measurement, loop resistance measurement，grounding down leads leakage current measurement, judge ground fault. 1. Model : ETCR2000A 2. Resistance Range : 0.010Ω-200Ω 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)

This instrument is a comprehensive test instrument of multifunctional, intelligent, man-machine operation simple. Comprehensive analysis and diagnosis all the voltage, current, power, electrical energy, harmonic, phase and other electric parameters Equipped with 4 types and total 16pcs current clamps. to cope with variety of measurement site. 4 channel current and 4 channel voltage measurement, simultaneously capturing and recording electric parameters and waveform, to provide with all the power quality information for working. 1. Model No.: ETCR5000 2. Number of Channels: 4 voltages, 4 currents 3. Frequency : 40Hz～70Hz 4. Line voltage: Below 600V 5. Phasor Diagram Display: automatic 6. Power Supply : Rechargeable lithium battery 9.6V, 4500mAH, external charger; working current about 490mA,

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)

Earth resistance measurement, loop resistance measurement. 1. Model No.: ETCR2000A+ 2. Measure Range: 0.010Ω~200Ω 3. Data Storage: 99 sets 4. Alarm Threshold Setting: 1-199Ω 5. LCD Screen: 4 Digits LCD display, 47mm×28.5mm 6. Power Supply: 6VDC ( 4 PCS of No.5 Alkaline dry batteries)

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

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

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.: ETCR8042/ETCR8042A 2. Range : AC 0.0mA~300.0A/AC 0mA-600A 3. Clamp Size : Φ40mm 4. Communication Mode: GPRS communication mode or GSM 4G network 5. Sampling Frequency : 1 times/second 6. Power Supply : 3300mAH

Applied to on-site high voltage line electricity testing, identify voltage level of high voltage system, inspect fault of high voltage line, repair the inspect induced voltage of the neon lamp, high voltage sodium lamp, inspect residual high voltage or induced voltage, etc. 1. Model : ETCR1820B 2. Voltage Gear : Nine gears 3. Electricity TestRange : 240V～500KV(optinal) 4. Electricity Test Level : 380V、6.6kV、10kV、35kV、66kV、110kV、220kV 5. Voltage to Earth Display Range : 0.1kV～150kV（Voltage to earth） 6. Power Supply : Zn-Mn dry battery 6F22, 9V

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)

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)

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

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

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