ACCREDITED ISO 17025
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Fully Enclosed Sealed Thermometers
-50° to 110° C Model #309C
309C -50° to 110° C Fully Enclosed Sealed Surface Thermometer
Enclosed Sealed Surface Thermometer -50° to 110°C #309C
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Fully Enclosed Sealed Surface Thermometer -50° to 110° C
Made in the USA
Add Surface Temperature Calibration Certificate
No Written Calibration Certificate Required
NIST/A2LA (ISO 17025) Certification 3 Logged Points
NIST Traceable Basic Cert No Points
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Magnet with Leaf Spring & Silicone
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The 309 surface temperature thermometers are unilateral thermal sensors, which measure the temperature of the contact surface. These instruments are fully enclosed to protect the bimetal from dirt and dust. Accuracy of the thermometer is ±2% of full scale range. 2 inches in diameter and weigh only 1 ounce. The bimetallic sensor is designed to permanently retain its calibration.
-50° to 110°C Fully Enclosed to protect Bimetal. These thermometers can be used for external wall leakage temperatures of refrigerators, cold chambers, freezers, ovens, boilers, electric motors, cylinder blocks, plastic dies, and rubber molds. All types of ducts, wall, ceiling, and floor, temperatures of building or storage areas.
Fully Enclosed to Protect Bimetal
Accuracy of ±2% of Full Scale
NIST Certification Available
Units Weigh Only 1 Ounce
Magnet with Leaf Spring and Silicone Grease Available for Attachment
Accuracy ±2% of full scale range.
Diameter 2 in. (5.1 cm).
Height 1/2 in. (1.3 cm).
Weight 1 oz. (28 g).
Shipping weight 1 lb. (454 g).
0° to 300°F Model #310F
70° to 370°F Model #311F
-10° to 150° C Model #310C
20° to 180° C Model #311C
-50° to 250° F Model #309F
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Temperature Ranges Celsius
-50° to 110°C
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