Flir CM44 TRMS Clamp Meter 600V 400A AC with Temperature measures up to 600V AC/DC and 400A AC while featuring Flir’s new Accu-Tip design which helps improve amperage measurements on smaller gauged wires. The Flir CM44 also features MIN/MAX/AVG recording, frequency measurement, diode measurement, resistance measurement, a bright backlight display, and more.