The Fluke 1587 Insulation Multimeter combines a digital insulation tester with a full-featured, true RMS digital multimeter in a single, compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance.

Fluke 1587 Insulation Multimeter features:

• Insulation test voltages 500 V, 1000 V
• Insulation test: 0.1 MΩ to 600 MΩ
• Auto discharge of capacitive voltage
• AC/DC Voltage
• DC millivolts
• AC/DC milliamps
• Resistance (0.1 Ω to 50 MΩ) 
• Continuity
• Remote probe, test leads, alligator clips
• Rugged, utility hard case
• Auto power off to save battery power
• True RMS
• Large display with backlight
• Live circuit detection prevents insulation test if voltage > 30 V is detected for added user protection
• CAT III 1000V, CAT IV 600V measurement category