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5.
PRECAUTIONS IN USE
Care should be taken where organic solvents are being used. Occa-
sional exposure to hazardous environments is to be expected for a por-
table instrument but for more prolonged use (e.g. monitoring), Comark
should be contacted for advice.
Care must also be taken to protect all sensors against physical damage.
6.
MAINTENANCE
6.1
In the event of accidental pollution, the following steps may be
taken, though success cannot be guaranteed.
NOTE: On no account touch the humidity sensor (glass) with
even the softest material.
DUST – use a gentle air stream, e.g. from squeeze-bulb used
for cleaning camera lenses. If not successful, use a stream of
distilled water from a wash bottle, holding the probe down-
wards, so that water drips clear from the sensor. Dry in a
dust-free environment, using a hair-dryer to speed the drying
process, if required.
OILY POLLUTION – use a stream of perchlorethylene to re-
move contamination.
7.
CALIBRATION
This can only be performed by Comark Ltd.
SENSOR CLEANING
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