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Sonel MRU-200-GPS Earth Resistance and Resistivity Tester - CATIV

Ground Resistance Meter with all Measurement Types with GPS

Features:

Earth resistance measurment with 2-pole, 3-pole,4-pole method,
Impulse earth impedance measurement, two kinds of measuring impulse 4/10μs, 10/350μs,
Earth resistance measurement without disconnecting measured earths (using clamp),
Two clamps earth resistance measurement without auxiliary test probs,
Earth resistivity measurement,
Continuity measurement,
Leakage current measurement.
Built in GPS,
GPS coordinates of the measurement are stored in meter memory.

It allows to take the measurements of:

Earth resistance using auxiliary electrodes,
Earth resistance using auxiliary electrodes and clamp (for measurements of multiple earthing)
Earth resistance using double clamps (for measurement of earthing when it is impossible to use auxiliary electrodes),
Impulse earth impedance (without disconnecting measured earthing),
Ground resistivity (Wenner method),
Current using the clamp (e.g. leakage) and flexible clamp (Rogowsky coil),
Measurement of continuity of equipotential bondings and protective conductors (meeting the requirements of IEC 60364 - 6 - 61:2000 section 6.12.2) with auto-zero function – with current 200 mA.

Additionally:

Measurement of resistance of auxiliary electrodes RS and RH,
Measurement of interference voltage,
Measurement of interference frequency,
Measurement in the presence of interference voltage in the power network
with frequency 16 2/3 Hz, 50 Hz, 60 Hz and 400 Hz (with automatic selection of proper frequency of measuring signal or with manual selection),
Selection of maximum measuring voltage (25 V and 50 V)
Introducing the distance between the electrodes for the resistivity in metres (m) and feet (ft),
Memory of 990 measurements (10 banks of 99 cells each),
Calibration of clamp used,
Real time clock (RTC),
Data transmission to the computer (USB),
Indication of battery state.

Electric security:

Type of insulation: double, according to EN 61010 - 1 and IEC 61557
Measurement category: CAT IV 300 V acc. to EN 61010 - 1
Protection class acc. to EN 60529: IP54

01420

Earth & Ground Resistance Testers

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