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The Sonel MRU-10 is a simple meter that allows you to measure grounding by the use of the technical method and to measure grounding resistance by the use of the 2-pole method. The MRU-10 is a basic device that allows checking of the quality of the grounding system. Its ergonomic shape, durable and firm housing, as well as big and clear display make this instrument ideal to use both in the field and most working environments.
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The Sonel MRU-12 earth resistance and soil resistivity meter is a simple meter that allows you to measure grounding by using the technical method (3-pole and 4-wire) and soil resistivity by Wenner and Schlumberger method. The earth tester is easy to use, resistive to interference, and highly accurate. MRU-12 is a basic device that allows for checking the quality of the grounding system on the basis of the received measurement result. Its ergonomic shape, durable and firm housing, as well as big and clear display make this instrument ideal to use both in the field and most working environments.
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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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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 there is no place for compromises. Is designed everywhere where instruments must be resistant to impact, splashing, mud and dust.
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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 made.
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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, 10/350μs. The meter also has built in GPS with the coordinates of the measurement are stored in meter memory.
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The Sonel MRU-21 is a 3-pole earth resistance meter capable of the measurement of continuity of equipotential bondings and protective conductors with auto-zero function – with a test current of 200mA. Resistance measurement is also possible using the 2-pole method.
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The Sonel MRU-30 earth resistance meter has both 3-pole, 4-pole methods. The selective earth resistance measurement can be made with clamp so no influence from parallel earths and no opening of rusty junctions is needed.
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The Sonel MRU-30 earth resistance meter has both 3-pole, 4-pole methods. The selective earth resistance measurement can be made with clamp so no influence from parallel earths and no opening of rusty junctions is needed.
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The small Sonel MZC-20E meter allows for precise measurement of short circuit loop impedance in networks of different voltage ratings. With the use of this instrument, it is possible to test network voltage up to 440V. The device is especially useful for installers and measuring engineers providing services in single- and multi-family buildings, office buildings, industrial plants and other buildings and facilities equipped with low-voltage electrical installations.
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The Sonel MZC-304F is dedicated to performing measurements in single and multi-family buildings, office buildings, industrial plants and any other places equipped with low voltage electrical systems. In addition, the meter is intended for maintenance personnel working on objects, where fault currents reach 4.4kA (measured according to EN 61557). MZC-304F is also a great tool for checking circuits additionally protected by residual current devices.
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The Sonel MZC-306 enables measurements in various types of networks up to 750V AC. The meter is invaluable for engineers who work on a variety of electrical work in low-voltage areas, such as solar, renewables, homes and buildings, public facilities, workshops and factories. The resolution of the measurement result is 0.01 Ω and the meter can also perform measurements in networks protected by RCD circuit breakers. The casing of the MZC-306 meter is IP54 rated, which provides a resistance to mechanical damage with the cover of the device also being able to be set at several positions to enable easy and comfortable transport and use of the meter.
