Product Main Function
1. Measurement of earth resistance,loop resistance
2. Resistance Measure Range: 0.010Ω~1500Ω
3. Leakage Current Measure Range: 0.000mA~40.0A
4. Alarm Threshold Setting：Resistance: 1-199Ω ; Current: 1-499mA
5. Alarm Function: audible and visible alarm
6. CT Size: 65mmX32mm
ETCR2200 High-end Multifunction Clamp Earth Resistance Tester is applied in measurement of grounding resistance and the loop resistance (range: 0.010 Ω Ω ~ 1500); Leakage current measurement (Range: 0.000mA~40.0A). When measuring the earth system with loop, there is no need to disconnect the grounding down lead, no need for auxiliary electrode, just need to clamp on the grounding lead directly. At this time, the displayed value of the meter is the comprehensive value of the grounding resistance and the grounding down lead resistance. This measurement method can quickly and safely to get the measurement results.
ETCR Clamp Earth Resistance Tester can measure the ground fault and applied to the occasions that cannot be measured by traditional methods, and it is widely used for the earth resistance measurement of various equipment.
ETCR2200 High-end Multifunction Clamp Earth Resistance Tester has different kinds of display combination mode,can choose to display at same screen with resistance + current, resistance+time, current+time,measurement range more larger,storage data 999 sets,power consumption more lower,adopt nickel-metal hydride rechargeable battery, supporting monitoring software with online real-time monitoring, historical query, software alarm setting, historical data reading, saving, reports and other functions. The better choice for your measurement of earth resistance.
1.Measure Range and Accuracy
| Measurement Mode | Measurement Range | Resolution | Accuracy |
| Resistance | 0.010Ω-0.099Ω | 0.001Ω | ±（1%＋0.01Ω） |
| 0.10Ω-0.99Ω | 0.01Ω | ±（1%＋0.01Ω） | |
| 1.0Ω-49.9Ω | 0.1Ω | ±（1%＋0.1Ω） | |
| 50.0Ω-99.5Ω | 0.5Ω | ±（1.5%＋0.5Ω） | |
| 100Ω-199Ω | 1Ω | ±（2%＋1Ω） | |
| 200Ω-395Ω | 5Ω | ±（5%＋5Ω） | |
| 400-590Ω | 10Ω | ±（10%＋10Ω） | |
| 600Ω-880Ω | 20Ω | ±（20%＋20Ω） | |
| 900Ω-1500Ω | 30Ω | ±（25%＋30Ω） | |
| Current | 0.000mA -0.999mA | 0.001mA | ±（1.5%＋0.5mA） |
| 0.00mA -9.95mA | 0.01mA | ±（2%＋1mA） | |
| 10.0mA -99.0mA | 0.1mA | ±（2.5%＋5mA） | |
| 100mA -300mA | 1mA | ±（2.5%＋20mA） | |
| 0.30A-2.99A | 0.01A | ±（2.5%＋0.1A） | |
| 3.0A-9.9A | 0.1A | ±（2.5%＋0.3A） | |
| 10.0A-19.9A | 0.1 A | ±（2.5%＋0.5A） | |
| 20.0A-40.0A | 0.1 A | ±（3%＋1A） |
2.Technical Specifications
Resistance Range | 0.01Ω-1500Ω |
Resistance Resolution | 0.001Ω |
Resistance Max Accuracy | ±（1%＋0.01Ω） |
Current Range | 0.00mA-40.0A |
Current Resolution | 0.001mA |
Current Max Accuracy | ±（1.5%＋0.5mA） |
Data Storage | 999 Sets |
Interface | USB interface, software monitoring, data upload computer, dynamic display |
Self-test Time | ≤1s，Boot into the test mode quickly |
Working Current | ≤50mA |
Operation Button | 6 soft keys, better performance |
Communication Cable length | 1.5m(USB cable) |
Clock Function | Display hour and minute |
Audible and VisibleAlarm | "Beep--beep--beep--" alarm sound, press the AL key to turn on and off; LCD alarm flashing indication |
Alarm threshold setting range | Resistance:1-199Ω; Current: 1-499mA |
power supply | 3.7VDC(Rechargeable lithium batteries2600mAh) |
Auto Power Off | The instrument flashes 30S after 5 minutes without any operation, and then auto power off |
Working Temperature | -20℃-55℃; 10％RH-90％RH |
LCD Size | 47mm×28.5mm |
Clamp Size | 65mm×32mm |
Clamp Opening Size | 32mm |
Tester Weight | 1160g |
Tester Size | 285mm×85mm×56mm |
Protection Level | Double insulation |
Structural Features | Clamp CT |
Shift | Auto Shift |
External Magnetic Field, Electric Field | ＜40A/m；＜1V/m |
Single Measurement Time | 0.5s |
Resistance Measurement Frequency | ＞1KHz |
Measured Current Frequency | 50/60Hz Auto |
| Model | Clamp Size | Range | Current Range | Data Upload | Alarm Function | Data Storage | Remark |
| ETCR2000A+ | Long clamp 65×32mm | 0.01Ω~200Ω | None | Optional | Yes | Yes | Practical |
| ETCR2000+ | 0.01Ω~1200Ω | Basic | |||||
| ETCR2000B+ | 0.01Ω~1200Ω | Anti-explosion | |||||
| ETCR2000C+ | 0.01Ω~1200Ω | 0.00mA~20.0A | Multi-function | ||||
| ETCR2200 | 0.01Ω~1500Ω | 0.00mA~40.0A | Yes | high-end | |||
| ETCR2000A | Long clamp 55×32mm | 0.01Ω~200Ω | None | None | Yes | Yes | Practical |
| ETCR2000 | 0.01Ω~1000Ω | Basic | |||||
| ETCR2000C | 0.01Ω~1000Ω | 0.00mA~20.0A | Multi-function | ||||
| ETCR2100A+ | Round clamp Φ32mm | 0.01Ω~1200Ω | None | Optional | Yes | Basic | |
| ETCR2100+ | 0.01Ω~1200Ω | Yes | Multi-function | ||||
| ETCR2100C+ | 0.01Ω~1200Ω | Multi-function |
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