Skip to main content
Press Enter
OMEGA

OS543 -30°C to 550°C Infrared Thermometer with Fixed Emissivity

Infrared Thermometer

This product is no longer available. Contact us at 800-567-8686 for alternative solutions.

Have questions? We're here to help!
Have questions? We're here to help!

 The OS543 is an ideal tool for production and general maintenance use. It has a wide temperature range of  -30°C to 550°C (-22 to 1022°F). It is portable,  easy-to-use, compact and features laser sighting designed for simple one-hand operation. Its field of view is 10:1 and features a laser dot for accurate aiming and measuring. The thermometer has a backlit LCD display. The OS543 has auto power-off (approximately 10 seconds) after releasing the trigger, which extends battery life. The reading can easily be toggled between °C and °F via one slide switch. This thermometer has a very fast response time of 250 ms. 

• Measurement range: -30 to 550°C (-22 to 1022°F) 
• 10:1 field of view 
• Emissivity fixed at 0.95 
• Auto-off feature to save on battery use 
• “Hold” function retains the last reading  
• Accuracy of ±2% rdg or 2°C (3.5°F) 
• Low battery indicator 
• Laser and backlight both turn on during measurement 

 

  • Thumbnail of document Data Sheet - OS543 -30°C to 550°C Infrared Thermometer with Fixed Emissivity
    Download

    Data Sheet - OS543 -30°C to 550°C Infrared Thermometer with Fixed Emissivity

    Download
  • Thumbnail of document Manual - OS543 -30°C to 550°C Infrared Thermometer with Fixed Emissivity
    Download

    Manual - OS543 -30°C to 550°C Infrared Thermometer with Fixed Emissivity

    Download

Request a Calibration Quote

We’re here to make calibration easy. Request a quote today and let our team give you the care, precision, and service you can trust.
Learn more

Browse By Brands

Uncover the brands that set the standard for quality and dependability in every industry we serve.
Learn more