"The Fluke 1587 FC Insulation Multimeter is the single tool that allows users to perform advanced insulation testing for preventive and PdM tasks. Combining a digital insulation tester with a full-featured, true-rms digital multimeter into a compact, hand-held unit, the 1587 model provides maximum versatility for both troubleshooting and preventative maintenance. This model is supplied with a remote probe, test leads and alligator clips. In addition the Fluke 1587 FC Insulation Multimeter adds four powerful new diagnostic functions through the Fluke Connect® Measurements app:• PI\/DAR timed ratio tests with TrendItâ„¢ graphs identifies moisture and contaminated insulation problems faster. • Memory storage through Fluke Connect eliminates writing down results, reduces errors and saves data for historical tracking over time. • Temperature Compensation through app for establishing accurate baselines and relevant historical comparisons. • Historical tracking and trending of assets identifies degradation over time, allows real-time decisions to be made in the field with Fluke Connect® AssetsTester Type = Insulation TesterMinimum Test Voltage = 50VMaximum Test Voltage = 1000VMaximum Insulation Resistance Measurement = 2GOhmsDisplay Type = Backlit LCDTest Current = 1mABattery Life = 1000 hMinimum Operating Temperature = -20°CMaximum Operating Temperature = +55°CPower Source = Battery"