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Sonel MRU-21 Earth Resistance Tester - CATIV

Earth Resistance Tester with 2 or 3 pole methods

Possible measurements:

Earth resistance measurement with 3-pole method,
Measurement of continuity of equipotential bondings and protective conductors with auto-zero function - with current 200 mA,
Resistance measurement using 2-pole method.

Electric security:

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

Rated operational conditions:

Operation temperature: -10...+55°C
Storage temperature: -20...+70°C
Humidity: 20...80%

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Earth & Ground Resistance Testers

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