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Psychrometer with InfraRed Thermometer

Extech HD500

Model: HD500 Go to Product Support
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The HD500 Psychrometer with Infrared Thermometer combines 3 in 1 with humidity meter, type K thermometer and infrared thermometer functions. The HD500 features a large triple LCD backlit display, built in USB port, minimum/maximum, data hold and auto power off functions. Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C). Includes a 3 year warranty, Windows compatible software with USB cable, Type K bead wire probe, carrying case and 9-volt battery.

  • 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)

General Specifications
Dew Point
-90.4 to 140 °F (-68 to 60 °C)
Distance to Target Ratio
Relative Humidity
0 to 100%
Relative Humidity Basic Accuracy
Temperature (Air)
14 to 140 °F (-10 to 60 °C)
Temperature (Air) Basic Accuracy
±(2% ±4°F/2 °C)
Temperature (IR) Basic Accuracy
-58 to 932 °F (-50 to 500 °C)
Temperature (IR) Max Resolution
±2% or ±4°F/2°C
Temperature (Type K) Max Resolution
-148 to 2501 °F (-100 to 1372 °C)
Temperature (Type N)
±(1% + 1 °C)
Wet Bulb
-6.88 to 140 °F (-21.6 to 60 °C)
Additional Details
10 × 2.9 × 2" (255 × 75 × 50mm)
1 × 9V battery
3 years
12.3oz (350g)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech HD500 - Model: HD500

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