Sonel MRU-21 Earth Resistance Tester - CATIV

Possible measurements:

• earth resistance measurment 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%

• Other technical data:

• LCD display: segment, backlit
• interface: USB,
• number of measurements carried out of set of batteries: > 1000 (5 Ω, 2 meas./min.)
• warranty: 2 years
• dimentions: 288 x 223x75 mm
• weigth: 1,4 kg