Surface Temperature Tester

Model 312F is built for rough industrial use without any lessening of accuracy. The bimetallic sensor is a specialty processed alloy that is conditioned and tested for permanent calibration and maximum stability.
Recommended primarily for temperature measurement of electric motors and generators, bearings, etc., this tester can be used for checking any other surface within the range of 0° F to 250°. Calibration is for use in an ambient temperature of about 70° F. Higher or lower surrounding air temperatures will result in slightly higher or lower readings. Three minutes should be allowed for the instrument to reach full stability when taking a reading.
The more nearly flat the surface being measured, the better contact will be made by the sensor. The magnets provide convenient temporary or permanent mounting to any ferrous surface, but the instruments are equally effective on non-ferrous horizontal surfaces. Dimensions: 2" diam. × 12" thick.