400V Earth Ground Resistance Tester Precision 3-Wires Testing
Features:
- Earth resistance testing; earth voltage testing
- Data Hold function
- Reinforced insulation protection
- Over-range indication
- Data logging for 20 data sets
- Battery check function
- Display backlight
- Sleep mode
- Precision 3-Wires Testing
- Double Insulation Protection
- Safety: IEC 61010-1 CATIII 600V Polluting Grading: Grade II IEC 61557-1,5 IEC 61010-2-31
- Measure methods: (1) Earth Voltage Testing:average respond (2) Earth Resistance Testing : testing signal frequency : around 820Hz,current: 40 position around 3.2mA
Specification:
| Specifications | Range | Best Accuracy |
| Model | UT522 | |
| Earth Resistance (Ω) | 0-20Ω | |
| 0-200Ω | ||
| 0-2000Ω | ||
| 0-40Ω | ±(2%+20) | |
| 0-400Ω | ±(2%+3) | |
| 0-4000Ω | ±(2%+3) | |
| AC Earth Voltage (V) | 0-400V | ±(1%+6) |
| Frequency50Hz/60Hz | √ | |
| Features | ||
| Display Count | 4000 | |
| Manual Range | √ | |
| Auto Power Off | Around 10 Minutes | √ |
| Low Battery Indication | √ | |
| Data Hold | √ | |
| Data Logging | 20 | |
| LCD Backlight | √ | |
| Full Icon Display | √ | |
| Double Insulation Protection | √ | |
| Contact Badness Display | Port C or Port E don`t contact Display”—-Ω” | √ |
| Over-Range Display | Display “OL” | √ |
| Simple 2-Wires Testing | √ | |
| Precision 3-Wires Testing | √ | |
| General Characteristic | ||
| Power | 1.5V Alkaline BatteriesLR6X 6 | |
| LCD Size | 70.6mm X 34mm | |
| Product Color | Red and Grey | |
| Product Net Weight | 560g | |
| Product Size | 160mm X 100mm X 70.5mm | |
Accessories:
Green test lead 5 meter 1 piece
Yellow test lead 10 meter 1 piece
Red test lead 20 meter 1 piece
Auxiliary earth stakes 2 piece
One plug test lead with alligator clip 1 Set
1.5V Alkaline Battery (AA) (Not included)
Carrying Bag 1 Set
English manual 1 Piece
