The Milwaukee® clamp meter for HVAC/R is a heavy duty True-RMS electrical current tester for professional residential, commercial and industrial applications. The perfect tool for the professional HVAC/R technician, the 2236-20 clamp meter provides a wide 1.3 in jaw opening to easily handle large conductors, a thin jaw profile for access to tight spaces and a high contrast white-on-black display for clearer readings. In addition, the Milwaukee® clamp meter for HVAC/R was designed with embedded non-contact voltage detection and an LED work light to increase end user productivity. Covered by Milwaukee® 5 years warranty. Milwaukee® Clamp Meter, 600 A, 600 VAC Electrical Rating, 6 kOhm Resistance, 1.3 in Jaw, Reverse Black LCD Display, Safety Rating: CAT III, -40 to 752 °F Operating, 9-1/2 in L Dimensions, Black/White