The 2021A Megohmmeter measures insulation resistance of rotating machinery, transformers, cables and switchgear for preventive maintenance and pre-start purpose. The unit provides a megohm test voltage of 500 volts DC +/-3% with better than 0.25% regulation. - Megohm Range: 0 to 100/1000 Megohms - Ohm Range: 0 to 20000 ohms - AC Voltage Range: 0 to 600 RMS
