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)

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

Measurement of DC current,AC current. 1. Model No. : ETCR6100 2. Range : AC/DC 0.0A～1000A 3. Communication Interface : Storage data can be uploaded to computer save and print 4. Data Storage : 99 groups 5. Working Current : 10mA 6. Power Supply : Alkaline battery 6LR61 9V

Standard Resistor is exclusive used for calibration of grounding resistance tester, equipotential tester and other instrument. 1. Model No.: ETCR3900 2. Resistance Range : 0.001Ω~100KΩ 3. Connection Wire Method: 4-wire method 4. Temperature Coefficient : ±25ppm 5. Test Line : 4PCS 6. Power : 1/2W

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,

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)

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)

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

Double Clamp Digital Phase Voltammeter, direct measurement of AC voltage and AC current in the measured circuit which not open-loop, measure the phase between two voltages, two current and voltage current, and indirectly measure the power factor and power of the circuit. 1. Model No.: ETCR4000 2. Voltage Range：0~500V； 3. Current Range ：0~20A； 4. Phase Range ：0~360°； 5. CT Size：Φ8mm; 6. Power Supply : DC9V LR61.5V AAX6PCS

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.: ETCR3700C 2. Range: 0.0001Ω~30.00kΩ 3. Data Storage : 400 groups 4. Alarm Fuction : Audible alarm 5. MaxTest Current : ≥4A 6. Power Supply : DC 7.4V 2.6Ah, rechargeable lithium battery, full charge about 8.4V

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）

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)

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

Earth resistance measurement, loop resistance measurement，grounding down leads leakage current measurement, judge ground fault. 1. Model : ETCR2000C 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)

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

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

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

Wireless PT Secondary Voltage Drop/Load Tester used for wireless synchronous measurement of secondary voltage drop, load, current, voltage, phase and other parameters of the potencial transformer in substation. 1. Model No.: ETCR4500 2. Test Parameter: Voltage,current,phase,frequency,harmornic,power etc. 3. Communication Mode: GPS Satellite Timing Service & LORA wireless communication 4. Communication Distance: 1000m 5. LCD: 5inch touch color screen 6. Power Supply: DC7.4V, 5200mAH rechargeable lithium battery

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

Earth resistance measurement, loop resistance measurement, grounding down leads leakage currentmeasurement, judge groundfault. 1. Model No.: ETCR2100C+ 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)