Extech EX810 Information The Extech EX810 is a versatile 1000-Amp AC Clamp Meter with Infrared Thermometer that combines the functionality of multiple meters into one convenient device. It measures AC/DC voltage and current, resistance, diode, continuity, frequency, and capacitance. It also includes a built-in, non-contact infrared thermometer that allows you to detect invisible hot spots. Introduction The Extech EX810 is a powerful and versatile tool that can be used by electricians, technicians, and hobbyists alike. It is ideal for a wide range of applications, including troubleshooting electrical problems, testing circuit breakers, and checking the insulation resistance of wires. The built-in infrared thermometer is also a valuable asset for detecting hot spots and other potential hazards.