Extech HD500 Psychrometer with InfraRed Thermometer

The Extech  HD500 Psychrometer with Infrared Thermometer combines 3 instruments in 1 with humidity meter, type K thermometer and infrared thermometer functions.


  • Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C)
  • IR Thermometer: 30:1 distance to target ratio
  • Type K Thermometer for contact temperature measurement to 2501°F (1372°C)
  • Large triple LCD backlit display
  • 2% RH accuracy
  • Min/Max, Data hold and Auto power off functions
  • Built-in USB port
  • Includes Windows® compatible software with USB cable, Type K bead wire probe, carrying case and 9V battery

    Extech HD500 Datasheet

    Extech HD500 User Manual

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