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 )

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 )

Large-Scale Grounding Grid Earth Resistance Tester used to measure the grounding impedance or resistance of large grounding devices, measure the conduction impedance or resistance between grounding devices, measure the soil resistivity, and measure the simple step voltage. 1. Model No.: ETCR3300B 2. Impedance Range: 0Ω~200Ω 3. Max. Current Output: 5A 4. Max. Voltage Output: 400V 5. Test Current Frequency: Auto 45Hz/55Hz 6. Power Supply: AC220V±10％, 50Hz/60Hz

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

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

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