Digital Ground Testers Megger DET4TD2

Megger’s DET4 family of ground testing instruments offers a unique solution to your ground rod and soil resistivity testing needs. The basic kit option comprises, the instrument, test leads, stakes, batteries and calibration certificate delivered in a tough polypropylene carry case everything you need to start testing in one kit.

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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

Specification

Ingress Protection	IP54
C Spike, P Stake and Noise Check	Automatic
Noise Rejection	40V Peak to Peak
2-Wire, 3-Wire, 4-Wire Tests	Yes, with no shorting links required
Instrument Output	Voltage: ± 25V or ± 50V at 128Hz Current: 4.5mA or 0.45mA
Resistance Range	0.01Ω to 20kΩ
Earth Voltage Range	0 to 100V
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 100V AC
Ground Voltage Accuracy	2% ± 2V
Display	3 1/2 high contrast liquid crystal
Battery Type	8 x AA (LR6) NiMH Rechargeable Cells
Operating Temperature Range	-15 to +55 ºC / 5 ºF to 131 ºF
Storage Temperature Range	-40 to +70ºC / -40 ºF to 158 ºF
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)