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Uni-T UT572 измерител на земно съпротивление
898.00лв.
Uni-T UT572 Advance Earth Resistance Tester
Ниска наличност
UT572 is for measuring earth resistance and soil resistivity. It can automatically check interface connection and detect interference voltage/frequency, with data hold and indication functions. It can perform 2/3/4-wire measurements for different on-site applications, such as power equipment wiring and lightning protection equipment.
Свойства:
1. Large 4-digit LCD Display, 5s sampling time
2. 2/3/4-wire earth resistance and soil resistivity measurements
3. Selectable test frequencies (94Hz/128Hz)
4. Disturbance voltage (Ust) and frequency (Fst) measurement
5. Earth resistance, RH and RS measurements
6. LCD backlight; auto power off
7. Data hold
8. 20 sets of data storage
9. Double insulation
10. Compensating resistance RK measurement
| Свойства | Обхват | UT572 |
| Earth resistance (Re) | 4Ω | ±(3%+15) |
| 40Ω | ±(3%+5) | |
| 400Ω | ||
| 4kΩ | ||
| 40kΩ | ||
| Soil resistivity (ρ) | 4Ω | ρ=2×π×L×Re (Depending on the test result of Re) |
| 40Ω | ||
| 400Ω | ||
| 4kΩ | ||
| 40kΩ | ||
| Disturbance voltage (Ust) | 50V (DC voltage/40Hz~500Hz) | ±(3%+3) |
| Disturbance frequency (Fst) | 40Hz~500Hz | ±(1%+2) |
| Функции | ||
| 2/3/4-wire test | √ | |
| Earth resistance test frequency | 94/128Hz | √ |
| Soil resistivity test distances | 1~40m | √ |
| Earth resistance RH and RS test | √ | |
| Compensating resistance RK test | √ | |
| Data hold | √ | |
| Data storage | 20 | |
| LCD backlight | √ | |
| Auto power off | Around 5 minutes | √ |
| Low battery indication | ≤9.5V | √ |
| General Characterisitics | ||
| Power | 1.5V battery (LR6) x 8 | |
| Display | 125mm x 37mm | |
| Product color | Red and grey | |
| Product net weight | 1100g | |
| Product size | 210mm x 175mm x 90mm | |
| Standard accessories | Batteries, simple test leads with alligator clips(double plugs x 1, single plug x 1), earth spike x 4, standard test leads with alligator clips (40m red x 1, 20m red x 1, 20m black x 1, 10m yellow x 1, 5m green x 1), gallus | |
| Standard individual packing | Gift box, carrying bag, tool box, English manual | |
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