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Insulation resistance up to 30 TΩ @ 10 kV enables installation testing and long-term trending of higher value apparatus, typically above 1 TΩ. High altitude operation up to 3000 m while maintaining CATIV 1000 V (15 kV). 5% accuracy all the way up to 3 TΩ @ 15 kV ensures highest accuracy where it matters most. IR, timed IR, DAR, PI, DD, SV and ramp tests maximize diagnostic testing capability. 3 mA short circuit current with unique max power regulations technology ensures maximum transfer whatever the load until selected voltage is reached. Noise filter rejects up to 6 mA (15 kV) noise for effective operation in electrically noisy environments. Li-ion battery allows up to 6 hrs continuous testing @ 5 kV with a 100 MΩ load; battery meets IEC 62133. Dedicated voltmeter function (30 V to 660 V) allows the user to check for induced volages. Smaller size and lighter weight allows easier transport and use without compromising performance. Unique dual case design allows for fire-retardant protection while maintaining ruggedness. High-quality, flexible silicon test leads meet safety regulations of IEC 61010-31:2008. Timed IR plus PI, DAR, DD, SV and ramp tests maximize...