Features: True-RMS measurements Manual and automatic ranging Display Hold and Auto Hold Frequency and capacitance measurements Resistance, continuity and diode measurements Temperature measurements Min-max-average recording Closed case calibration through front panel Ergonomic case with integrated protective holster Safety conformance: All inputs are protected to IEN61010-1 CAT IV 600 V/CAT III 1000 V., CSA, and TÜV listed The Fluke 179 has the features needed to find most electrical, electronic, electro-mechanical and heating and ventilation problems. The Fluke 179 is simple to use and has significant improvements over Flukes original 70 Series like, True-RMS, frequency, capacitance, temperature, min-max record, conformance to the latest electrical safety standards, and a much larger display that is easier to view. 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. 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 600 V/CAT III 1000 V environments. Fluke builds the most trusted tools in the world, and that means more than just the Fluke 179. If you work with the HVAC equipment, need a small meter for small spaces, or work in the electrical installer's and repairman's world, check out the full family of Fluke digital multimeters.