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Megger’s DET4 family of ground testing instruments offers a unique solution to your ground rod and soil resistivity testing needs.
The ground tester is rated to IP54 making it truly an outdoor instrument. The DET4TD2 has been designed to be easy to use, a large selector switch makes selection of 2 pole, 3 pole or 4 pole test easy with gloved hands - and the design makes the fitting of shorting links to perform 2 pole tests a thing of the past. A large, clear, easy to read LCD display and thumb sized test button again makes the instrument particularly suited to the outdoor conditions of ground testing.
In addition to this ease of use the ground tester also automatically checks the connection and condition of the P spike and the C spike, indicating the status on the display. The instrument also includes a voltmeter to allow you to measure the ground voltage. The ground tester can measure resistance from 0.01 Ω through to 20 kΩ and earth voltages up to 100 V. To allow testing in noisy environments the instrument is capable of rejecting noise of up to 40 V peak to peak.
The DET4TD2 digital ground tester is powered from 8 AA batteries which are widely available and deliver excellent testing time.
FEATURES
IP54 rated
2, 3 and 4 point testing
Selectable 25 V or 50 V output
Dry cell or rechargeable versions
Simple one button operation
Robust carry case
Delivered with calibration certificate
Megger DET4TD2 Specifications
Ingress Protection
IP54.
C Spike, P Stake and Noise Check
Automatic.
Noise Rejection
40 V Peak to Peak.
2-Wire, 3-Wire, 4-Wire Tests
Yes, with no shorting links required.
Instrument Output
Voltage: + 25 V or + 50 V at 128 Hz
Current: 4.5 mA or 0.45 mA.
Resistance Range
0.01 Ω to 20 kΩ.
Earth Voltage Range
0 to 100 V.
Resistance Accuracy
2P measurements: 2% +3 digits
3P measurements: 2% +3 digits
4P measurements: 2% +3 digits.
Maximum Probe Resistance
Rp limit: 100 kΩ (50 V output voltage)
Rc limit: 100 kΩ (50 V output voltage)
Limits reduced to 50 kΩ for 25 V output voltage
Limits reduced to 5 kΩ for 0.01 Ω resolution.
Ground Voltage Range
0 to 100 V AC.
Ground Voltage Accuracy
2% + 2 V.
Display
3½ high contrast liquid crystal.
Battery Type
8 off AA (LR6) cells.
Operating Temperature Range
-15 to +55 °C / 5 °F to 131 °F.
Storage Temperature Range
-40 to +70°C / -40 °F to 158 °F.
Safety
Complies with the requirements of IEC61010-1
100 V CAT IV between terminal pairs.*
* The CAT IV 100 V is dependant on the use of a leadset of at least this rating, for example the optional two wire leadset part number 1001-858.
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 x 148 x 78 mm (8 x 5.8 x 3 inches).
Weight
1 kg (2.2lb).
Megger DET4TD2 warranty
2 years.
For more information on Megger DET4TD2 Four Pole Earth Kit talk to Cuthbertson Laird Group
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