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17
Maintenance
17.1
Cleaning the pyrometer lens
A false temperature reading will be given when the lens is dirty. There-
fore check the lens periodically and clean it, if necessary.
Dust can be removed by simply blowing it away or by using a soft brush.
A special lens cleaning cloth is ideal, but any soft, clean, lint-free cloth
will be suitable.
If the lens is quite dirty, use a very mild liquid detergent and rinse careful-
ly with clear water while holding the pyrometer down. Apply as little pres-
sure as possible to avoid scratching the lens.
Make sure to turn off the pyrometer prior to connecting or disconnecting
the coupler connector (e.g. when cleaning). Failure to do so may result in
damage to the instrument!
NOTE !
The pyrometer must be protected against high ambient tempera-
tures, high air humidity, high voltage and strong electromagnetic
fields. Never hold the lens directly into the sun.
Operating manual PA
57
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- Setting Parameters at the Device
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