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Infrared Thermometer

OS540 Series

Infrared Thermometer | OS540 Series

Infrared Thermometer

CAD141.00 OS543

1 year warranty CE
  • Circle or Dot Laser Sighting
  • Temperature Range: OS542: -20 to 500°C (-4 to 932°F), OS543: -30 to 550°C (-22 to 1022°F)
  • Repeatability: ±1°C
  • Emissivity: 0.95 Fixed
  • Spectral Response: 6-14 mm
  • Optical Field of View for OS542 , D:S = 12:1
  • Optical Field of View for OS543 , D:S = 10:1
  • Response Time: 500 ms
Infrared Temperature Measurement Instruments - View related products


The new portable, low cost OS540 infrared thermometer series offers solutions for many non-contact temperature measurement applications. This unique handheld infrared gun offers a powerful feature with a circle or dot laser sighting. IDEAL APPLICATIONS include: Diesel and Fleet Maintenance, Electrical, Asphalt, Measure Ink and Dryer Temp. (Screen Printing), HVAC/R Automotive, In-Process Temperature Measurement, Fire and Safety.

Caution: This product and all in the series are not for use in medical evaluations. These products cannot be used to measure body temperature. They are meant for industrial and scientific purposes.


Most Popular Models!

Place Order(Specify Model Number)
Part Number/ Desc.
OS542 Star
Availability: 1 week
Infrared thermometer with a dot laser only and a field of view 12:1
OS543 Star
Availability: In Stock
Infrared thermometer with a dot laser only and a field of view 10:1
All dollar amounts on this site are shown in Canadian currency. Note: Comes with 9 V battery, wrist strap and laser circle to dot switchable sighting, and a complete operators manual.

Product Manuals:

Download OS542 - Infrared
Download OS543 - Infrared Thermometer Laser/Dot Sighting