YSI ProDSS - Manual (Page 57)

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Maintenance and storage
Turbidity sensor
Figure 60 Turbidity sensor window
Turbidity sensor maintenance
Clean the sensing window with a non-abrasive, lint-free cloth ( Figure 60 ).
NOTICE: Clean the window carefully to prevent scratches. If
necessary, use mild soapy water.
Figure 61 Turbidity sensor storage
Turbidity sensor short-term storage (less than 4 weeks)
When in regular field use, the turbidity sensor can remain installed on the
bulkhead in an environment of water-saturated air (
Figure 61 ).
NOTE: The turbidity sensor can be stored dry if stored separate
from other sensors.
Place approximately 0.5 in (1 cm) of any water (tap or environmental) in
calibration cup.
Install the calibration cup on the bulkhead and firmly tighten to prevent
evaporation.
Turbidity sensor long-term storage
Store the turbidity sensor in dry air. The turbidity sensor can be left on the
bulkhead or removed for storage.
If removed from the bulkhead, install the shipping cap on the sensor to
prevent scratches or damage to the optical sensing window.
NOTICE: Install a port plug into the empty port on the bulkhead.