Feature of ETCR3200
- ETCR3200 Double Clamp Grounding Resistance Tester is specially designed for the measurement of earth resistance, soil resistivity, earth voltage, leakage current of the grounding line, AC, DC resistance.
- ETCR3200 Double Clamp Grounding Resistance Tester is composed of the host machine, monitoring software, testing wires, auxiliary ground pillars, communication wires and others.
- The large LCD of host machine is with blue backlight and bar graph indicating that can be seen clearly.
- ETCR3200 Double Clamp Earth Resistance Meter can flexibly and precisely measure the value of grounding resistance in every complicated situation like single point grounding, and grounding mesh; it does not need to disconnect any parallel connection pole when measuring parallel-grounding, and massively improve the convenience when measuring.
- At the same time it can store 2000 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, and alarm indicator, auto-shut down and with the functions like historical data access, reading, preservation, report forms, printing and so on.
Specification of ETCR3200
| Power Supply | DC 9V Alkaline dry cell LR14 1.5V*6PCS, continues standby 300 hours |
| LCD Size | 124mm x 67mm(with backlight) |
| Range | Selection measurement method ：0.01Ω – 3000Ω | Double clamp measurement method ：0.01Ω – 100Ω | Soil Resistivity ：0.01Ωm – 9000KΩ | DC Resistance：0.01Ω – 30.00kΩ | Earth Voltage:0.1V -100.0V | AC Current:0.01mA -600A |
| Resolution | Resistance:0.01Ω | Soil Resistivity ：0.01Ωm | Current:0.01mA | Voltage:0.1V |
| Max Accuracy | ±2%rdg±3dgt |
| Data Storage | 2000 groups |
| Data Upload | RS232 interface, storage data can be uploaded to computer, saved or printed. |
| Automatic Shut Down | Automatically shut down after 15 minutes start up |
| Power Consumption | Turn on the backlight： 45mA Max | Turn off the backlight : 25mA Max | Measurement: 100mA Max(Backlight shut off) |
| Working Temperature & Humidity | -10℃-40℃, below 80%rh |
| Storage temperature & humidity | -20℃-60℃, below 70%rh |
| Clamp Caliber | Φ50mm |
| Measuring Method | 2/3/4 pole measurement method: Change-pole method, measurement current 20mA Max | Selection measurement method: Change-pole method, measurement current 20mA Max | Soil Resistivity: 4-pole measurement (Wenner method) | AC current: Mutual inductance method(clamp) | Earth Voltage: Average rectification(between P(S)-ES) |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Data Model | Average value，maximum，minimum value |
| line resistance check | Automatic calibration |
| Measuring Rate | AC current: about 0.5 times/second | Earth Voltage: about 0.5 times/second | Earth resistance，soil resistivity: about 5 seconds/time |
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30seconds) |
| Short-circuit Test Current | AC 20mA max |
| Open-circuit Test Voltage | AC 40V max |
| Test Voltage Wave | Sine wave |
| Electrode Distance Range | 1m-100m |
| Line Voltage | Measurement below AC 600V |
| Data Hold | Data hold function: “HOLD” symbol display |
| Data Access | Data read function: “READ” symbol display |
| Overflow Display | Exceed measuring range overflow function: “OL” symbol display |
| Auxiliary Grounding Test | With auxiliary grounding resistance test function, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) |
| Interference Test | Automatic identification of interference signals, “NOISE” symbol indication when the interference voltage is higher than 5V |
| Alarm Function | Measuring value exceeds alarm setting value, will “Toot-toot-toot” alarm hint |
| Battery Voltage | While battery voltage decreases to around 7.5V, will display battery voltage low symbol“ ”, and reminding to replace the battery |
| Overload Protection | Measure earth resistance: between each interfaces of E-P、E-E- C, AC 280V/3 seconds |
| Insulation Resistance | Over 20MΩ(between circuit and outside shell is 500V) |
| Withstand Voltage | AC 3700V/rms. (Between circuit and outside shell) |
| Electromagnetic Features | IEC61010- 4-3,Wireless frequency electromagnetic field ≤1 V/m |
| Safety Standard | IEC61010-1(CAT Ⅲ 300V、CAT IV 150V、Pollution 2) | IEC61010-031 | IEC61557-1(Earth resistance) | IEC61557-5(Soil resistivity) | JJG 366-2004(Grounding resistance meter) |
| Weight | 1653g |
| Meter Dimension | 215mm(L)×178mm(W)×83mm(H) |
