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OS303-Series

-32 to 530 °C, 12:1 Essential Infrared Thermometer

Models In Stock
  • -32 to 530°C (-26 to 986°F) temperature range
  • 12:1 Field of View
  • Fixed emissivity at 0.95
  • 500 ms response time
OS303-Series
From $ 90.09
Models In Stock
-32 to 530 °C, 12:1 Essential Infrared Thermometer OS303-Series OS303-Series
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Product Overview
  • Accuracy ± 2 °C (± 3.6 °F)
  • Accuracy Note ± 2°C or 2%, whichever is greater
  • Battery life 16 hr
  • Battery Size and Type Alkaline 9V
  • Display Note Large Backlit LCD Screen with LED flashlight
  • Display Type LCD
  • Emissivity, Max 0.95
  • Emissivity, Min 0.95
  • Emissivity Note Fixed 0.95
  • Field of view 12:1
  • Form factor Pistol Grip
  • Height 152 mm
  • Laser Single Laser
  • Length 38 mm
  • Operating Temperature, Max 50 °C
  • Operating Temperature, Min 0 °C
  • Process Temperature, Min -32 °C
  • Relative Humidity, Max 0.95
  • Relative Humidity, Min 10%
  • Relative Humidity Note 10 -95% RH
  • Repeatability 0.01
  • Repeatability Note 1% of reading or 1°C
  • Response Time 500 ms
  • Response Time Note 500 ms (95% response)
  • Spectral Response, Max 14 µm
  • Storage Temperature, Max 60 °C
  • Storage Temperature, Min -20 °C
  • Weight 145 g
  • Width 130 mm

The OS303-Series essential infrared thermometer boasts 12:1 field of view, -32 to 530°C temperature range and ± 2% accuracy above 0°C. This essential level device is great for basic non-contact measurement of surfaces that are far away and very high temperatures. This unit has a fixed emissivity at 0.95 perfect for many applications. The small compact size makes this unit easy to carry for all-day usage and fits comfortably in the users hand.

Applications with a 0.95 emissivity include asbestos, asphalt, oil, rubber, concrete, copper, ceramic, paper and many more. The 12:1 field of view, or distance to spot ratio, allows for precise measurement even from a larger distance.


Accuracy Chart

Device Accuracy = ± 3°C or ± 3% of rdg, -30°C to 0°C (-22 to 32°F) ± 2°C or ± 2% of rdg, >0°C (32°F)

Target Temperature

Upper Limit Reading

Lower Limit Reading

5°C

7°C

3°C

25°C

27°C

23°C

100°C

102°C

98°C

150°C

153°C

147°C

400°C

408°C

392°C

Rated 5 out of 5 by from Liked the product Liked the product and perfect for my use. Thanks omega
Date published: 2022-01-19
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Does the thermometer have a certificate of calibration?

Asked by: Jdeana
Thank you for your inquiry. This product does not come with a certificate of calibration.
Answered by: Application Engineer CB
Date published: 2022-01-06
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