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Megger DET4 Series Four-Terminal Earth/Ground Resistance Testers
A series of four-terminal earth/ground resistance testers for earth/ground and soil resistivity testing, available in dry-cell and rechargeable versions with kit variants for greater testing flexibility.
Official Megger product photography
Earth/ground resistance and soil resistivity testing
Testing capabilities
- Two-, three- and four-pole earth resistance testing
- Attached rod technique (ART) and stakeless measurement capability (DET4TC2/TCR2)
- Selectable test frequencies — 94 Hz, 105 Hz, 111 Hz and 128 Hz — to minimise interference
- Leakage current and earth noise voltage measurement (DET4TC2/TCR2)
- Dry-cell (DET4TD2/TC2) or rechargeable (DET4TR2/TCR2) battery options
- Automatic C stake, P stake and noise checks
Manufacturer-published capabilities. Available tests depend on the selected configuration and accessories. Confirm suitability, availability and pricing with our technical team.
Technical specifications
| Manufacturer / model | Megger / DET4TD2, DET4TR2, DET4TC2, DET4TCR2 |
| Resistance range | 0.01 Ω to 20 kΩ |
| Test methods | 2, 3 and 4 pole; ART and stakeless (DET4TC2/TCR2) |
| Test frequency | Selectable 94 Hz, 105 Hz, 111 Hz, 128 Hz (DET4TC2/TCR2) |
| Output voltage | ±25 V or ±50 V at selected frequency |
| Noise rejection | 40 V peak-to-peak ground noise voltage |
| Safety / ingress | 100 V CAT IV; IP54 rated |
| Checks | Automatic C stake, P stake and noise check |
| Power | Dry-cell batteries (DET4TD2/TC2) or rechargeable cells (DET4TR2/TCR2) |
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