Expandable True RMS Stick Multimeter with Backlight � Designed for HVACR Field Service � Our top of the line Stick Meter, the HS36 includes the ranges you use everyday for HVACR field service plus includes a bright blue backlight and True RMS. Like the rest of the HS30 series, the HS36 comes equipped with a magnetic hanger, along with detachable silicone test leads and alligator clip probe tips for remote and easy one-handed testing, as well as the full set of built-in safety features. This auto-ranging stick meter also includes a bar graph on the LCD for an analog feel. Technicians who prefer our expandable stick meters tell us this is the best digital multimeter for HVACR field service.