Key Features
- selectable units of Measurement
- Differential pressure measurement
- Max / minimum / Average reading record function
- Data hold function
- Large LCD with backlight
- Zeroing, offset, and data compensation
- Low battery alarm
- Auto power off settup function
- Over range indicator
Technical Specifications
| Function | Ground resistance test, Loop resistance test |
| Power Supply | 6VDC 4 PCS of AA Alkaline batteries |
| Resistance Range | 0.01-1200Ω |
| Resistance Resolution | 0.001Ω |
| Highest Resistance Accuracy | ±1%±0.01Ω |
| Current Range | 0.00mA-20.0A |
| Current Resolution | 0.05mA |
| Highest Current Accuracy | ±2.5%±1mA |
| Data memory | 99 Sets |
| Alarm Threshold Setting Range | Resistance: 1-199Ω |
| Alarm Sound and Light | “Beep-beep-beep” alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold. |
| Interference Signal Recognition | “Beep-beep-beep” tone, NOISE symbol blinking |
| Working Temperature and Humidity | -20℃-55℃；20％RH-90％RH |
| LCD Screen | 4 Digits LCD display, Screen L×W: 47mm×28.5mm |
| Clamp Size | Φ32mm |
| Clamp Opening Extent | 32mm |
| Tester Weight | 1160g (With batteries) |
| Clamp Dimension | L×W×T: 285mm×85mm×56mm |
| Protection Level | Dual Insulation |
| Structural Feature | Clamp CT |
| Shifting | Automatic shifting |
| External magnetic field | ＜40A/m |
| External electrical field | ＜1V/m |
| Single measurement time | 0.5 second |
| Resistance measurement frequency | ＞1KHz |
| Measured current frequency | 50/60Hz Automatic measurement |
| Low Battery Indication | Low battery symbol displays when battery is lower then 5.3V |
| Memory Full Indication | MEM symbol blinks when all 99 sets memory is full |
| Over Range Indication | Out of range indication “OLΩ”, “L0.01” or “OL A” |
| Auto Power-off | 5 minutes after Boot up |
| Power Consumption | Max 50mA either in booting up or normally working, Continuously working for 30 hours |
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