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Operating
the
Thermometer
13
Field of View
Make sure that the target is larger than the unit’s spot size. The
smaller the target, the closer you should be to it. See Figure 6.
ame004.eps
Figure 6. Field of View
Emissivity
Emissivity describes the energy-emitting characteristics of
materials. Most organic materials and painted or oxidized surfaces
have an emissivity of 0.95.
The 63 has a preset emissivity of 0.95. To compensate for
inaccurate readings that may result from measuring shiny metal
surfaces, cover the surface to be measured with masking tape or
flat black paint (<148
°
C/300
°
F). Allow time for the tape or paint to
