Overview The Fluke 1587T True-RMS Telecom Megohmmeter/Insulation Resistance Tester and Multimeter combines a digital insulation tester with a fully-featured, True RMS digital multimeter into a single, compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance. The 1587 T is rugged, reliable and easy to use. Whether working on motors, generators, cables, or switch-gear, this instrument is ideally suited to help with many troubleshooting tasks. Features True RMS measurements Insulation test voltages (50V and 100V, only) For use in Telecom industry Large, backlit display Insulation test range 0.01 MΩ - 2 GΩ Live circuit detection prevents insulation test when voltages is above 30V Auto-discharge of capacitive voltage AC/DC voltage, DC milliVolts, AC/DC milliamps, resistance and continuity, capacitance, diode test, temperature, Min/Max, frequency Filter for motor drive measurements Auto power off to save battery power CAT III 1000 V, CAT IV 600 V measurement category Includes 1 - Remote Probe 1 - Test Lead Set 1 - Alligator Clip Set 1 - K-Type Thermocouple 1 - Hard Carrying Case 1 - User Manual