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Data Sheet (PDF)
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