With its precision, reliability, and ease of use, the Fluke 179 True-rms Digital Multimeter is the preferred solution for professional technicians around the world. With all the features you need to troubleshoot and repair in electrical and electronic systems, the Fluke 179 also offers a digital display with analog bar graph and built-in temperature measurements. Works When You Need It, Where You Need It. You can trust the Fluke 179 to get the job done in all of the messy, loud, high energy and high places you work. Backed by a lifetime warranty, the Fluke 179 is independently tested for safe use in CAT IV 600V/CAT III 1000 V environments. The Fluke 179 Just One of Fluke's Trusted Tools.