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Megger DET4TC2 Earth Tester
Megger's DET4TC2 is a portable, lightweight instrument used for easy measurements of earthing. It is capable of performing 2, 3 and 4 point testing with variable frequency, attached rod technique (via optional clamp sold separately), stakeless testing (again via optional clamp), leakage current and ground noise voltage measurements.
The DET4TC2 is simple to use with an interface that is easy to understand. To switch between tests, you simply use the rotary dial to choose which test type you want. You can then choose the frequency of the test using the Hz to switch between 94, 105, 111 and 128Hz modes and you can then change the overall voltage of the test procedure between 25/50V. There's also a button for activating a backlight on the LCD screen, allowing you to see your measurements in poor lighting conditions. When that's all done you simply press the test button to activate the test and gain readings.
By use of ICLAMP (Megger accessory which is sold separately) the Megger DET4TC2 is able to use ART, which allows electrode testing without connection and leakage current measurements. You can also use the VCLAMP accessory (sold separately) to perform true stakeless measurements, ideal for areas where it is impossible to use driving stakes.
The overall resistance range of this tester is between 0.01 to 200kΩ, the ground noise voltage range is between 1V to 100V and ground current measurements are between 1mA to 20A. To aid with maintaining the accuracy of test results the DET4TC2 also includes noise evaluation and rejection, and the device will automatically reject noise voltages of 40V peak to peak to minimise the overall effect electrical noise can have on test results.
This device is rated to 100V CAT IV and is in compliance with IEC 61557-5.
Megger DET4TC2 Key Features
- 2, 3 and 4 wire testing without the use of shorting links
- C and P stake automatic checking
- Automatic noise evaluation with noise rejection at 40V peak to peak
- No disconnect testing (ART) possible with optional ICLAMP
- Stakeless testing with use of ICLAMP or VCLAMP
- Resistance range of 0.01 to 200kΩ
- Easy to use
- Protective carry case built around tester
- IP54 ingress protection against dust and water
- Runs on 8 x AA batteries
What's Included?
- Megger DET4TC2 Earth Tester
- Hard Carry Case
- Stake and Wire Kit (15m, 10m, 10m, 3m)
- Right angle Terminal Adaptors (to connect bare wires to terminals)
- Calibration Certificate
- Batteries
Megger DET4TC2 Technical Specifications
| Ingress Protection | IP54 |
| C Stake, P Stake and Noise Checks | Automatic |
| Noise Rejection | 40V peak to peak |
| 2 wire, 3 wire and 4 wire tests | Yes with no shorting links required |
| No disconnect testing (ART) | Yes, with ICLAMP |
| Stakeless Measurements | Yes, with ICLAMP and VCLAMP |
| Instrument Output | Voltage: ±25 V or ±50 V at 94 Hz, 105 Hz, 111 Hz and 128 Hz Current: 4.5 mA or 0.45 mA or 0.045 mA |
| Ground Current Range with Clamp | 0.5 mA to 19.9 A |
| Ground Current Accuracy | 5% ±3 digits |
| Ground Voltage Range | 0 to 100V AC |
| Ground Voltage Accuracy | 2% ±2 V |
| Resistance Range | 0.01 Ω to 200 kΩ |
| 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 | Rp limit: 200 kΩ (50 V output voltage) Rc limit: 200 kΩ (50 V output voltage) Limits reduced to 100 kΩ for 25 V output voltage Limits reduced to 5 kΩ for 0.01 Ω resolution |
| Display | 31⁄2 digit high contrast liquid crystal, backlit |
| Battery Type | DET4TC2: 8 off AA (LR6) cells DET4TCR2: 8 off AA (LR6) NiMH rechargeable cells |
| Operating Temperature Range | -15 °C to +55 °C / 5 °F to 131 °F |
| Storage Temperature Range | -40 °C to +70 °C / -40 °F to 158 °F |
| Safety | Complies with the requirements of IEC 61010-1 100V CAT IV between terminal pairs |
| EMC | In accordance with IEC61326-1 |
| Standards Compliance | Complies with the requirements of KEMA K85B Complies with the following parts of EN61557, “Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures”. Part 1 - General requirements Part 5 - Resistance to earth |
| Dimensions | 203 mm x 148 mm x 78 mm (8 in x 5.8 in x 3 in) |
| Weight | 1kg (2.2lb) |
Accessories related to this product:
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Additional Information
| SKU | 1000-345 |
|---|---|
| Manufacturer Part Code | 1000-345 |
| Model Ref | DET4TC2 |
| Country of Origin | United Kingdom |
