![Fluke 1577 Insulation Multimeter](http://shop.fluke.com/cdn/shop/products/F-1577_01a_h_{width}x.jpg?v=1562179024)
The Fluke 1587 and 1577 Insulation Multimeters combine 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.