5-1
Section 5 - Maintenance
5.1 Calibration
This unit has been fine tuned at the factory and calibrated to give opti-
mum performance of its full temperature range. It is recommended that
the unit be returned annually for re-calibration.
5.2 Cleaning
CAUTION
Remove all electrical connections and power before
attempting any maintenance or cleaning.
5.2.1 Main Body
Only a damp soft rag with a mild cleaning solution should be used
when cleaning the main body of this unit.
5.2.2 Target Plate
Do not attempt to clean the target plate. The target plate has a special
coating applied and cleaning may change the emissivity and perfor-
mance of your unit.
5.3
Fuse replacement
WARNING
Disconnect all power from source before attempting
fuse replacement.
CAUTION
For continued protection against the risk of fire replace
with only the same size, type and rating fuse indicated
here.
Maintenance
5