Earth Resistance - Power Quality Expert

Sonel ERP-1

The Sonel EPR-1 adapter is used for earth resistance measurements of electricity towers and pylons using a flexible clamp (Rogowski Coil). The coil is available in several lengths and electrical specifications tailored to your application. It is designed to operate with the Sonels earth resistance meters (MRU-120 and 200 series) in

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Sonel MRU-120

The Sonel MRU-120 is able to make the following measurements. Earth resistance measurement with 3-pole,4-pole method. Selective earth resistance measurement with clamp. Continuity of equipotential bondings and protecting conductors. Two clamps earth resistance measurement without auxiliary test probes. Earth resistivity measurement.

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Sonel MRU-120HD

The MRU-120HD device enables assistance in measuring earth resistance measurement with 3-pole,4-pole method or using clamps. The device is dedicated to earth measurements in the power industry – range of measurement in accordance with IEC 61557-5: 0,30 Ω... 19,9 kΩ. The HD version of the MRU-120 meter means intended for difficult conditions, where

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Sonel MRU-200

The Sonel MRU-200 is able to make all the measurement methods such as the 2-pole, 3-pole,4-pole method. It is also possible along with BS:EN62305 Lightning Impulse earth resistance measurement with three kinds of measuring impulse 4/10μs, 8/20μs, 10/350μs. Measurement with clamps for selective earth resistance measurement can also be easily

Sonel MRU-200-GPS Earth Resistance Tester

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Sonel MRU-200 GPS

The Sonel MRU-200-GPS is one of the unique meters on the market which uses all the measurement methods such as the 2-pole, 3-pole,4-pole method. Selective earth resistance measurement with clamp is also possible along with BS:EN62305 Lightning Impulse earth resistance measurement with three kinds of measuring impulse 4/10μs, 8/20μs,

Sonel ERP-1

Sonel MRU-120

Sonel MRU-120HD

Sonel MRU-200

Sonel MRU-200 GPS

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