Extech EX840 1000A AC/DC True RMS Clamp/DMM + IR ThermometerExtech EX840 CAT IV 1000A Clamp Meter + IR Thermometer CAT IV 1000A Clamp Meter + IR Thermometer Industrial Clamp on multimeter with CAT IV 600V safety rating Ideal for industrial applications, this full size True RMS 1000A AC DC Clamp features a built in Infared Thermometer and rugged double molded housing. Key Features: Built in non contact IR Thermometer with laser pointer True RMS Current and Voltage measurements Peak hold captures inrush currents