Fluke 66 FE 63-66-68 Users Manual - Page 14

Operating the Thermometer, Temperature Measurement, Locating a Hot or Cold Spot

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63/66/68 Infrared Thermometers Reflected energy Transmitted energy Target Emitted Energy Figure 3. How the Thermometer Works ame002.eps Operating the Thermometer Temperature Measurement To measure temperature, point the unit at an object and pull the trigger. Be sure to consider distance-to-spot size ratio and field of view. The laser is used for aiming only. Locating a Hot or Cold Spot To find a hot or cold spot, aim the thermometer outside the desired area. Then, slowly scan across the area with an up and down motion until you locate the hot or cold spot. See Figure 4. 10

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63/66/68
Infrared Thermometers
10
Reflected energy
Emitted
Energy
Transmitted energy
Target
ame002.eps
Figure 3. How the Thermometer Works
Operating the Thermometer
Temperature Measurement
To measure temperature, point the unit at an object and pull the
trigger. Be sure to consider distance-to-spot size ratio and field of
view. The laser is used for aiming only.
Locating a Hot or Cold Spot
To find a hot or cold spot, aim the thermometer outside the desired
area. Then, slowly scan across the area with an up and down
motion until you locate the hot or cold spot. See Figure 4.