Suitable for troubleshooting and preventive maintenance applications, Fluke® 1587 FC Insulation Multimeter combines wireless digital insulation tester plus full-featured true-rms digital multimeter. Tool features VFD low-pass filter for accurate motor drive measurements, insulation tests of 0.01 MΩ to 2 GΩ, and insulation test voltages of 50, 100, 250, 500, and 1,000 V. For safety, meter includes auto-discharge of capacitive voltage and live circuit detection.