26
•
Do not place the meter on or around hot objects
(70°C / 158°F). It may cause damage to the case.
•
If the meter is exposed to significant changes in
ambient temperature (hot to cold or cold to hot).
Allow 20 minutes for temperature stabilization, be-
fore taking measurement.
•
Condensation may form on the lens when going
from a cold to hot environment, wait 10 minutes
for condensation to dissipate before taking mea-
surements.
•
This unit is not constructed to be water proof or
dust proof, so do not use it in a very dusty envi-
ronment or in one where it will get wet.
6. MEASUREMENT CONSIDERATIONS
6.1 Measurement Theory
Every object emits infrared energy in accordance
with its temperature. By measuring the amount of
this radiant energy, it is possible to determine the
temperature of the emitting object.
6.2 Infrared Radiation
Infrared radiation is a form of light (electromagnetic
radiation), and has the property that it passes easily
through air while it is easily absorbed by solid mat-
ter.
