• Extech DV40  AC Voltage Detector + IR Thermometer

Non-Contact Voltage Detector (1000V) with Built-In InfraRed Thermometer

Quickly check for the presence of live wires before testing. Suitable for outlets or against wire insulation testing. Model DV40 combines a CAT III-1000V Voltage Detector (with a wide range from 50 to 1000 Volt) with an Infrared Thermometer which measures and displays non-contact surface temperatures on the built-in LCD screen using a from -20 to 445°F (-30 to 230°C). 1:1 distance to target ratio. Includes 3 LR44 batteries.


AC Voltage Detector + IR Thermometer Features:

  • NCV (non-contact voltage detector) probe with integrated indicator light
  • NCV Voltage Sensitivity 50 to 1000VAC (50/60Hz)
  • Less than 1" detection range
  • Built-in IR Thermometer for non-contact temperature measurements from -20 to 445°F (-30 to 230°C) with 0.1° resolution
  • 9,999 count LCD displays temperature with selectable °F/°C internal switch
  • Fixed 0.95 emissivity covers 90% of surface applications, 1:1 distance to target ratio
  • Rugged double molded housing, compact size with pocket clip
  • Complete with three LR44 batteries


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Extech DV40 AC Voltage Detector + IR Thermometer