<5. Maintenance>
21
IM 12A01A02-12E 9th Edition : Mar. 23, 2018-00
5. Maintenance
n Periodic maintenance
The FLXA202/FLXA21 requires very little periodic maintenance, except to make sure the front
window is kept clean in order to permit a clear view of the display and allow proper operation of
the touchscreen. If the window becomes soiled, clean it using a soft damp cloth or soft tissue.
To deal with more stubborn stains, a neutral detergent may be used.
When you must open the front cover and/or glands, make sure that the seals are clean and
correctlyttedwhentheunitisre-assembledinordertomaintainthehousing’sweatherproof
integrity against water and water vapor.
The pH measurement uses high impedance sensors and may otherwise be prone to problems
caused by exposure of the circuitry to condensation.
CAUTION
Never use harsh chemicals or solvents. In the event that the window does become heavily
stained or scratched, refer to the parts list for replacement part numbers.
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