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. Model No.: ETCR017AD 2. Range: 0mA~60.0A 3. Corresponding Output DC Voltage: 0mV~600mV 4. Line voltage: below 600V 5. CT Size: 16mm x 18mm 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

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

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

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

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

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

Overhead line ground fault detector apply for single-phase ground fault detection of overhead high-voltage lines, and accurately locates the ground fault point. Accurately search hidden ground faults of overhead line such as single-phase metallic grounding, arcing grounding, transition resistance grounding, insulator breakdown, and lightning arrester breakdown,etc. 1. Model No.: ETCR1400 2. Detection Method: Clamp CT 3. Output Voltage: 3000V/8000V two gears 4. Output Frequency: 50Hz 5. Communication Mode: Wireless/Bluetooth 6. Power Supply: Host: 14.8V, 5200mAh Rechargeable lithium battery; Detector clamp: 3.7V, 2600mAh 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

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

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

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.

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR068HA 2. Range : 0mA～1200A AC 3. Resolution: 1mA 4. Accuracy Class: 1.0 5. Turn Ratio : 4000:1 6. CT Size : Φ68mm

Three-phase Digital Phase Voltammeter in the case of the tested circuit is not open-loop, Measuring three-phase AC voltage, current, phase between voltages, phase between currents, phase, frequency, phase sequence, active power, reactive power, apparent power, and power factor between voltage and current. 1. Model No.:ETCR4300 2. Current Range: AC 0.0mA~20.0A 3. Voltage Range: AC 0.00V~600V 4. Phase Range: 0.0°~360.0° 5. Frequency Range: 45.00Hz～65.00Hz 6. Power Supply: DC9V Alkaline battery (LR6 1.5V AA×6)

Detecting of H/L voltage AC leakage current/current, higher harmonic current, phase, electric energy, power, power factor etc. 1. Model No. : ETCR048H 2. Range : 0.00mA～50A AC 3. Resolution: 0.001mA 4. Accuracy Class: 1.0 5. Turn Ratio : 800:1 6. CT Size : Φ48mm

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

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 current, higher harmonic current, Complex Waveforms current, transient current, starting current, Phase, Electric energy, power, power factor etc. 1. Model No.:ETCR001F 2. Range: AC 0A～3000A/6000/10000A（Optional） 3. Signal Output：AC 0～1V 4. Phase Error: ≤1° 5. CT Structure: Rogowski coil 6. Power Supply：6F22 9VDC Zinc-manganese dry batteries