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16
Distance & Spot Size
As the distance (D) from the object increases, the spot
size (S) of the area measured by the unit becomes
larger. See: Fig: 1.
Locating a hot Spot
To find a hot spot aim the thermometer outside the area
of interest, then scan across with an up and down
motion until you locate hot spot.
Reminders
① Not recommended for use in measuring shiny or
polished metal surfaces ( stainless steel, aluminum,
etc.).See Emissivity
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