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Megger’s DET4TCR2 4 Terminal Ground Resistance Tester is built with all the features and functions of the DET4TC2 but utilizes rechargeable battery power.
Prefer the dry-cell batteries? Click here to view Megger’s DET4TC2.
Resistance range: | 0.01 to 200 kΩ autoranging (0.01 to 20kΩ for models DET4TD2 and DET4TR2) |
Resistance accuracy: | |
2P measurements | 2% ±3 digits |
3P measurements | 2% ±3 digits |
4P measurements | 2% ±3 digits |
ART measurements | 5% ±3 digits |
Stakeless measurements | 7% ±3 digits |
Maximum probe resistance: | |
DET4TD2 and DET4TR2 | |
Rp limit: 100kΩ (50V output voltage) Rc limit: 100kΩ (50V output voltage) Limits reduced to 50kΩ for 25V output voltage Limits reduced to 5kΩ for 0.01 Ω resolution | |
DET4TC2 and DET4TCR2 | |
Rp limit: 200kΩ (50V output voltage) Rc limit: 200kΩ (50V output voltage) Limits reduced to 100kΩ for 25V output voltage Limits reduced to 5kΩ for 0.01 Ω resolution | |
Earth voltage range: | 0 – 100 V |
Earth voltage accuracy: | 2% ±2 V |
2-wire test: | Yes, all models |
3-wire test: | Yes, all models |
4-wire test: | Yes, all models |
ART (Attached Rod Technique): | DET4TC2, DET4TCR2 |
Stakeless test: | DET4TC2 and DET4TCR2 |
Ground current range (with current measuring clamp): | 0.5 mA to 19.9 A |
Ground current accuracy: | 5% ±3 digits |
Display: DET4TD2 and DET4TR2: 3-1/2 digit high contrast LCD DET4TC2 and DET4TCR2: 3-1/2 digit high contrast LCD, backlit | |
Test frequency: | 94, 105, 111 and 128 Hz (128 Hz for DET4TD2 and DET4TR2) |
Test voltage: | 25 V or 50 V, user selectable (factory setting 50 V) |
Test current: | 450 micro-amps at 25 V or 50 V (selectable), 4.5 mA at 25 V |
Noise rejection: | 40V pk to pk |
Noise check: | Automatic |
C spike check: | Automatic |
P spike check: | Automatic |
Battery type: | 8 1.5 V AA cells (8 1.5 V AA NiMH rechargeable cells – DET4TR2 and DET4TCR2) |
Battery life: | 3 hours, 700 consecutive tests |
Safety: | EN61010-1 CAT IV 100 V |
Terminals: | 4 mm plug type (test leads) |
Ingress protection: | IP54 |
EMC: | Meets the requirements of EN61326-1:1998 for use in heavy industrial areas, including amendment 1 |
Dimensions: | 8 x 5.7 x 3.2 in. (203 x 148 x 78 mm) |
Weight: | 2.2 lb (1 kg) |
Operating temperature range: | 5º to +131º F (-15º to +55º C) |
Storage temperature range: | -40º to +158º F (-40º to +70º C) |
Humidity: | 95% RH non-condensing at 104º F (40º C) |
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