Metalclad Withdraw Switchgear Wireless Phase Detector applied to phase judgment and phase sequence testing of handcart type metalclad withdraw switchgear in 10KV-35KV power distribution system. 1. Model No.: ETCR1540 2. Phase Detecting Voltage: 10KV~35KV 3. Phase Detecting Distance: 20m 4. Phase Range: 0°~360° 5. Transmitting Frequency: 433MHz, 315MHz 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh Rechargeable lithium battery

On-line detecting of AC/DC current. 1. Modle No.: ETCR068AD 2. Range：AC/DC 0.0A~1500A 3. Resolution：0.1A 4. Accuracy Class: 3.0 5. Output Signal：1mV/1A 6. Power Supply : 9V DC 6F22

Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.:ETCR080K 2. Range：0.00mA~60A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. CT Size: Φ80mm

Digital Earth Resistance Tester is applied to Precision 3-wire, simple 2-wire measurement method of earth resistance, voltage to ground measurement. With unique function of wire resistance verification, anti-interference capability and Environmental adaptability, more accurate for grounding resistance measurement. 1. Model No.: ETCR3000 2. Earth Resistance Range: 0.010Ω~2000Ω 3. Earth Voltage Range: 0V~600V AC 4. Accuracy: ±2%rdg±3dgt 5. Measurement Method:Rated current change-pole method/Average value rectification 6. Power Supply: DC 9V (Alkaline dry battery LR14 1.5V 6 PCS )

After the operator wears the alarm, and close to the high voltage charged body for a certain distance, the alarm will send out a sound and light alarm according to the safety distance of the corresponding voltage level to remind the electrical worker to pay attention to safety and avoid high voltage electric shock accident. This product can also be used for line fault detection and electroscope. 1. Model : ETCR1880C 2. Alarm Voltage Range : 40V～1KV(Low voltage alarm) 3. Working Frequency : 50Hz/60Hz 4. Electricity Testing Mode : Non-contact mode 5. Detection Mode : Automatic trigger 6. Power Supply : CR1632（140mAH）button cell2PCS

Applied to measuring transformer winding resistance; grounding continuity resistance; cable & conductor resistance; contact resistance of switches, connectors and relays; metal riveting resistance; winding resistance of coil, motor and transducer; connection resistance between metal components; welding point resistance; Battery parallel connection resistance; wire length measurement and calculation, etc. 1. Model No. ：ETCR3660 2. Range : 10.0uΩ～50.00KΩ 3. Test Current ：10A,1A, 100mA, 10mA, 2mA, 1mA, Automatic 4. Max Test Current : 10A 5. Measurement Method : Precision 4-wire method, 2 chennal A/D detecting simultaneously 6. Power Supply : DC 7.4V 5200mAh, rechargeable lithium battery, full charge about 8.4V

Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR022KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：Φ22mm

Measurement of AC leakage current, higher harmonic current, phase, power energy, power factor. 1. Model No.: ETCR010K 2. Range：0.00mA~20A AC 3. Turn Ratio：800：1 4. Resolution: 0.01mA AC 5. Accuracy Class: 0.5 6. Safety Class: CATⅢ600V

Remote Wireless High Voltage Phase Detector 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 No.: ETCR1500A 2. Phase Detection Mode: Contact & Non-contact Mode 3. Phase Detection Voltage: AC 10V~500kV 4. Satellite Phase Detecting Distance: 5000m 5. Normal Phase Detecting Distance: 260m 6. Power Supply: Host: 3.7V, 2600mAh Rechargeable lithium battery; Detector: 3.7V, 600mAh Rechargeable lithium battery

Detection of AC leakage current, higher harmonic current, phase, power factor etc. Lightning arrester and insulator on-line detecting 1. Model No.: ETCR045KU 2. Range: 0.000mA～10A AC 3. Turn Ratio：1000:1 4. Resolution: 1uA AC 5. Accuracy Class: 0.5 6. CT Size：Φ45mm

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,

The system consists of monitoring terminal, cloud server and client terminal. Used for remote online monitoring of AC leakage and current, troubleshooting of circuit insulation failure, monitoring of intermittent leakage failure, checking the time of insulation failure, fault location, etc 1. On-line monitoring the AC leakage current and current. On-line monitoring the leakage current of low voltage transformer area. 2. Used to check the insulation fault of the circuit, monitoring the intermittent leakage fault, check the time of insulation fault, and locate the fault etc.

Transient Voltage Suppressors (TVS) Tester is used to reverse breakdown voltage test of unidirectional and bidirectional TVS tubes (transient-suppression diodes) 1. Model No.: ETCR3850 2. Voltage Range: 0~400V 3. Resolution: 0.01mV 4. Data Storage: 1000 groups each gears 5. Communication Mode: Serial port communication 6. Power Supply : External power adapter to power supply; AC110V～240V change to DC12V

Adopt2-wire method, 3-wire method to measure grounding resistance,grounding voltage. 1. Model No. : ETCR3000A+ 2. Grounding Resistance Range : 0.10Ω～2000Ω 3. Grounding Voltage Range : 0～200V AC 4. Display LCD: LCD:58mmX46mm 5. Measurement Tim : Earth resistance: 15 seconds/time;Voltage to earth : 2 times/second; Current: 2times/s 6. Power Supply : DC9V, R6 AA dry batteryX6PCS

Lightning Protection Component (SPD) TesterApplied 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.:ETCR3800A 2. Test Mode: DC power drop method 3. MOA Range: 50～3000V; 0～1000μA 4. GDT Range: 50～3000V 5. Insulation Resistance Range: 500~2500V; 0.5MΩ～10GΩ 6. Power Supply : DC 7.4V 2600mAH rechargeable lithium battery

Ring Main Unit Wireless Phase Detector apply for ring main unit phase detecting of power distribution system，and phase, frequency, phase sequence test. 1. Model No.: ETCR1520 2. Phase detecting voltage : AC 1V~600V 3. Phase detecting distance : 30m 4. Phase detecting distance: 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

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR048HA 2. Range : 0mA～800A AC 3. Resolution: 1mA 4. Accuracy Class: 1.0 5. Turn Ratio : 4000:1 6. CT Size : Φ48mm

Measurement of AC/DC leakage current. 1. Model No.: ETCR6000B 2. Range: 0mA～60.0A AC/DC 3. Working Current : 10mA 4. Data Storage: 99 groups 5. Communication Interface : Storage data can be uploaded to computer save and print. 6. Power Supply: Alkaline battery 6LR61 9V

Transformer Region Phase Line Identify Meter used to identify the phase A, B and C of low voltage power supply lines in the same transformer region. Can quickly and accurately identify whether the phase lines and phase of two point in the circuit with a long distance from the same transformer region are consistent or not, and accurately judge whether the measured line and the station transformer output are the same line. 1. Model No.: ETCR1100 2. Communication Distance: Without obstacles blocking 8KM 3. Identify Time：≤5 seconds 4. Identify Success Rate: >99% 5.Rated Votlage: 3-phase 4-wires 220V 6. Power Supply: DC 7.4V 2.6Ah rechargeable lithium battery

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