Megger DET3TD Earth Electrode Resistance Tester


  • 2 and 3 point testing
  • Choice of digital or analog display
  • Warning indicators prevent test failure
  • IP54 rated
  • Complete with leads, stakes and rugged carry case
  • Simple one button operation
  • Calibration test certificate included
  • Optional earth testing kit (ETK) available
(1 customer review)
SKU: 3465

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Megger DET3TD Earth Electrode Resistance Tester

The Megger DET3TD can measure earth resistance from 0.01 to 2000 and is suitable for both two and three-wire testing processes.

The Megger DET3TD is designed for usage in a wide range of situations, including when wearing gloves, thanks to its large-size rotary dial and testing buttons. It automatically examines the connection and condition of P and C spikes and provides direct information on the display. A built-in voltmeter enables the user to measure ground voltage levels ranging from 0 to 100V AC.

Megger’s earth testers incorporate noise rejection from 40V peak to peak, guaranteeing that the impacts of high amounts of electrical noise do not impair testing findings. This enables the DET3TD to be utilized in even the noisiest of electrical situations, ensuring that you have one tester for each application.

The Megger DET3TD is rated to CAT IV 100V.

For more information and to view other EARTH RESISTANCE TESTER models, such as the Megger DET4TD2-4, please click on the appropriate link


  • Ingress protection: IP54
  • C spike check: Automatic
  • P spike check: Automatic
  • Noise check: Automatic
  • Noise rejection: 40 V pk to pk
  • 2-wire test: Yes
  • 3-wire test: Yes
  • Resistance range: 0.01 to 2000 Ω
  • Resistance Accuracy: 2% ±3 digits
  • Earth voltage range: 0 – 100 V a.c.
  • Earth voltage accuracy: 2% ±2 V
  • Display LCD
  • Battery type: 8 off AA cells
  • Operating temperature range: -15 to +55ºC
  • Storage temperature range:: -40 to +70ºC
  • Dimensions: 203 x 148 x 78mm (8 x 5.7 x 3.2 inches)
  • Weight: 1kg
  • Megger DET3TD Manufacturers Warranty: 3 year
1 review

1 review for Megger DET3TD Earth Electrode Resistance Tester

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  1. Dennis

    Bought this unit for work

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Megger since 1889 is a leading global premium manufacturer of measurement and testing technology. Megger top priority has always been to make your everyday work easier and safer. As such, insulation testers, micro-ohmmeters, and multimeters are among the long line of Megger inventions, making this brand one of the pioneers in the electrical industry. Megger products combine many years of experience and the valued feedback from our global users with the inventiveness and conscientiousness of our product developers. In Germany, we manufacture at three sites, Aachen, and Baunach near Bamberg and Radeburg near Dresden. Other manufacturing locations are based in Sweden, England, and America.


Data Sheet

Data Sheet




Technical Specifications of Megger DET3TD
Specification Details
Ingress Protection IP54
C Spike Check Automatic
P Spike Check Automatic
Noise Check Automatic
Noise Rejection 40 V pk to pk
2-wire Test Yes
3-wire Test Yes
Resistance Range 0.01 to 2000 Ω
Resistance Accuracy 2% ±3 digits
Earth Voltage Range 0 – 100 V a.c.
Earth Voltage Accuracy 2% ±2 V
Display LCD
Battery Type 8 off AA cells
Operating Temperature Range -15 to +55ºC
Storage Temperature Range -40 to +70ºC
Dimensions 203 x 148 x 78mm (8 x 5.7 x 3.2 inches)
Weight 1kg
Warranty 3 years (Manufacturer’s)