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The DET4TD2 & DET4TR2 can measure resistance from 0.01 ohms to 20kΩ, a key capability for soil resistivity testing.
To allow accurate testing in noisy environments, the instruments are capable of rejecting noise up to 40V peak to peak.
Designed to meet stringent safety standards & are rated CAT IV 100V the DET4 is easy to use & the large selector switch makes selection of 2, 3 or 4 pole tests easy with gloved hands whilst the design makes the fitting of shorting links to perform 2-pole tests a thing of the past.
Large, clear & easy to read LCD and thumb sized test button ensures the instruments is particularly well suited to the outdoor conditions of ground testing.
Instruments automatically check the connection & conditions of the P spike, C spike & also the level of ground noise, indicating the status on the display. They also include a voltmeter to enable measurement of ground voltage.