The Biddle 250500 DET5/B Digital Earth Tester is designed to measure earth electrode resistance, earth continuity etc. It's primary application is in the testing of earth electrodes, whether these take the form of a single electrode, multiple electrodes, mesh systems, earth plates or earthstrips.
Specifications:
| Earth Resistance Ranges |
0.01W to 19.99W |
| 0.1W to 199.9W |
| 1.0W to 1999W |
| Comply With Standards |
BS CP1013 (1965), VDE 0413 Part 7 (1982) |
| Test Frequency |
128 Hz |
| Test Current |
20W range: |
10 mA a.c.r.m.s. |
| 200W range: |
1 mA a.c.r.m.s. |
| 2 kW range: |
100 µA a.c.r.m.s. |
| Max. Current Spike Resistance |
20W range: |
2 kW |
| 200W range: |
5 kW |
| 2 kW range: |
48 kW |
| Max. Potential Spike Resistance |
20W range: |
2.2 kW |
| 200W range: |
22 kW |
| 2 kW range: |
53 kW |
| Max. Output Voltage |
30 V |
| Display |
3½ digit LCD maximum reading 1999 |
| Power Supply |
Internal rechargeable sealed lead acid cells 12V, 0.8 Ah capacity. Battery voltage range over which basic accuracy is maintained, 10.0 V to 13.5 V. Battery charging time, 10 hours max. (from completely exhausted). Charging supply required, 200 V to 255 V or 100 V to 130 VAC. 50 Hz/60 Hz. |