Megger DET4 series earth/ground resistance and soil resistivity testers
July 10, 2013 | By Anthony Capkun
July 9, 2013 – Megger now offers four “enhanced” 4-terminal earth/ground resistance and soil resistivity testers promising greater testing flexibility: the DET4 series. The DET4TC2 and DET4TCR2 include ART (attached rod technique) capability that is already included in Megger’s DET3TC, as well as stakeless (clamp-on) testing for applications where traditional fall-of-potential testing is not possible. ART testing allows onsite grounds to be tested separately without having to remove the utility connection. Stakeless testing allows the operator to use the instrument like a clamp-on ground tester in applications where that method is viable, while also being able to operate a fall-of- potential tester when necessary. All four models offer selectable output voltage of 25V and 50V, and are rated to 100V Cat IV. DET4TC2 and DET4TCR2 have a resistance measurement range up to 200,000 ohms, while the DET4TD2 and DET4TR2 have a resistance measurement range up to 20,000 ohms. All of the units are IP54-rated and are designed to meet safety standards.
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