HEAT INSULATION Features: Tests insulation of wires, cables, transformers and electrical motors Battery powered Helps cut unscheduled downtime and reduce shock hazards Sensitive Ohmmeter for checking resistance of motor windings Built in voltmeter Battery OK test Mirror scale Automatic discharge of equipment capacitance for safe removal of test leads Limited Life Time Warranty Quality does not have to be expensive. These affordable megohmmeters still offer a solid range of features designed to meet most insulation test applications. Includes: Carrying case Test Leads Fuse Specifications: Insulation resistance with 250VDC test voltage:  0-50M ±5% Rdg @ (0.1 - 10M) ± 10% Rdg @ > 10M Insulation resistance with 500VDC test voltage:  0-100M ± 5% Rdg @ (0.1 - 10M) ± 10% Rdg @ > 10M Voltmeter:  0-600V AC/DC ±(1.5% Rdg + 3 LSD) Low resistance:  0-100 ± 3% Rdg UPC/DCI: 11860 Size: 10.50x8.50x6.25 inch Weight: 2.65