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）

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

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)

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)

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

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

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 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

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

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

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)

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)

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

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

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

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

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)

Leakage current, current, transformation ratio, ratio difference, angle difference, phase difference and polarity test of current transformer primary & secondary circuits in 380V/220V power distribution system. 1. Model No.:ETCR9620 2. Primary Current Test Accuracy: 0.0A～3000A/ 0.1A/ ±1%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)

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)