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Rated to IP54, Megger’s DET3TD 3-Terminal Ground Resistance Tester is well suited for industrial outdoor use. The DET3TD maintains a user friendly operation; a large selector switch allows the choice of 2 and 3 pole testing to be easily made – even with gloved hands. More still, a vast and vivid LCD display and thumb sized test button make the DET3TD ideal for outdoor applications.
The LCD display shows connection and condition of the P and C spikes through automatic checks and is capable of rejecting noise up to 40V peak to peak. Resistance can be measured from 0.01Ω through to 2000Ω and earth voltages up to 100V. With a voltmeter for ground voltage measurements, included leads, stakes and carrying case, and a CAT IV 100V safety rating, Megger’s DET3TD 3-Terminal Ground Resistance Tester is a comprehensive value for an array of application demands.
| Resistance range: | 0.01 to 2000 Ω autoranging |
| Resistance accuracy: | |
| 2P measurements | 2% ±3 digits |
| 3P measurements | 2% ±3 digits |
| ART measurements | 5% ±3 digits |
| Maximum probe resistance | |
| 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 on 18 Ω range | |
| Earth voltage range: | 0 – 100 V |
| Earth voltage accuracy: | 2% ±2 V |
| 2- and 3-wire test: | Yes |
| ART (Attached Rod Technique): | DET3TC |
| Ground current range (with current measuring clamp): | 0.5 mA to 19.9 A |
| Ground current accuracy: | 5% ±3 digits |
| Display: | LCD |
| Test frequency: | 128 Hz |
| Test voltage: | 25 V or 50 V, user selectable (factory setting 50 V) |
| Test current: | 450 mA or 4.5 mA |
| Noise rejection: | 40V pk to pk |
| Noise check: | Automatic |
| C spike check: | Automatic |
| Battery type: | 8 1.5 V AA cells |
| 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 |
| 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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