Double Clamp Earth Resistance Tester applied with precise 4-pole, 3-pole and simple 2-pole method, selection method, double clamp method for grounding resistance measurement, The measurement of earth resistance, soil resistivity, earth voltage, AC voltage, grounding lead leakage current, AC current, DC resistance. 1. Model No.: ETCR3200 2. Erth resistance,Range：0.00Ω～30.00kΩ 3. Soil resistivity Range：0.00Ωm～9000kΩm 4. Test Frequency: 128Hz/111Hz/105Hz/94Hz(AFC) 5. Short-circuit Current:AC 20mA max 6. Power Supply:DC 9V (Alkaline dry battery LR14-1.5V )

Phase sequence detection (positive phase, anti-phase, default phase), live line inspection, simple electrical inspection, fire line identification, default phase judgment, broken line location search,DC line breakpoint detection, line maintenance 1. Model : ETCR1000C 2. Available Clamp Wire Size : ø1.6mm-ø16mm 3. Live Power Range : AC70-1000V, 45-65Hz (Sine Wave Continuous Input) 4. AutoShutdown : 5 minutes after booting up, the meter automatically shutdown 5. Insulation Strength : 5.4kV/rms 6. Power Supply : DC 3V AA alkaline batteries (LR6)×2PCS

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

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 primary and secondary current, transformation ratio, phase difference, polarity and phase sequence of current transformers and transformers below 35kV 1. Model No.: ETCR9500C-008 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. Transmission Distance: Primary: 100m; Seconary: 2m cable 6. Power Supply: DC6V alkaline batteries (1.5V AAA × 8)

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)

Phase sequence detection (positive phase, anti-phase, default phase), live line inspection, simple electrical inspection, fire line identification, default phase judgment, broken line location search, DC line breakpoint detection, line maintenance. 1. Model No.: ETCR1000D 2. Test Method: Non-contact type 3. Live Electricity Range: AC 70~1000V 4. Frequency Range: 45~65Hz 5. Clamp Wire Diameter: Φ10~Φ40mm 6. Power Supply: DC 3V AA alkaline batteries (LR6)×2PCS

Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.:ETCR025K 2. Range：0.00mA~30A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. CT Size: Φ25mm

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

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

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)

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)

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

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)

Measurement of AC leakage current, current, higher harmonic current, phase, power energy, power factor. 1. Model No. : ETCR015 2. Range : 0.00mA ~ 100A 3. Clamp Size：17mm×18mm 4. Weight ：175g 5. Safety Class : CATⅢ600V 6. Working Temperature : -15°C～50°C

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）

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

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

Simultaneously online monitoring and recording 1 ~ 3 channelAC leakage current and current, used for circuit insulation fault troubleshooting, monitoring intermittent leakage fault, check the happen time of insulation fault and maintenance lines, etc. 1. Model No.: ETCR8300F 2. CT Size: φ50mm～φ1500mm 3. Current Range : AC 0.00A～20.00kA 4. Resolution: AC 10mA 5. Current Clamps Quantity: 1 - 3PCS (optional）; 6. Power Supply : Rechargeable lithium battery DC3.7V，2600mAh