Ceilometer CT25K
User’s Guide CT25K-U059en-2.1
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The door of the measurement unit utilizes an electrically conductive rubber
gasket to suppress electromagnetic radiation. When the door is opened, check
that the gasket and the opposite contact surface are clean. Use wet cloth for
cleaning if necessary.
6.3 Battery check
Check the battery condition annually. If any signs of aging is observed like
bulging battery case, white powder or residue near the battery vent, leaking
electrolyte, corroded terminals etc. replace the battery. Lead acid batteries
may age in 3 to 5 years time and result in a rupture and loss of electrolyte.
NOTE
When disposing of old batteries, be sure to do so in
accordance with local environmental regulations.
NOTE
In freezing temperatures there is a danger of battery
rupture if the battery is completely discharged. Do not
store empty batteries in freezing temperatures. Replace
the battery if signs of mechanical rupture are observed.
6.4 Storage
Have caps on all external connectors if stored unpacked for extended times in
an unconditioned area. Also maintain a dust cover on the window during long
periods of storage.
The container is suggested to be saved for future transport use. When
replacing, the equipment shall be placed and padded in the same way as when
initially received.
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