Servicing
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10 Servicing
CAUTION
Unit damage due to lack of maintenance
Lack of or inadequate maintenance as well as the use of non-original Sigrist spare parts may damage the device
and lead to measurement errors.
u
Always carry out servicing work according to the servicing schedule.
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Only use original Sigrist spare parts.
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In case of high strain or rough environmental influences, shorten servicing intervals and replace wear parts
more frequently.
10.1 Maintenance schedule
The maintenance interval must be adjusted according to the environmental conditions.
Recommendation:
When What Action Who
Annual/
"Humidity" warning
Desiccant Replace Operator
Annual Sensor head Cleaning Operator
Annual Manual adjust-
ment
Check calibration Operator
Annual VARINLINE
®
housing seals
Replace Operator
10.2 Replace desiccant
NOTE
Condensation inside the electronics
When the sample medium is cold, humidity can condense when the unit is opened and damage the electronics.
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Only open the photometer when the medium temperature is ≥ room temperature.
If the desiccant is changed frequently, have the seal checked by a service technician.
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Remove cover (2) with tool (3).
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Replace desiccant (1).
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Mount cover (2) immediately.
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