Oldham OLC 20, Руководство пользователя, Страница: 12 / 32

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3.2.2 Calibration specifications
Calibration shall be performed outside classified areas and by using suitable
equipment that is described during the training course provided by OLDHAM
or by a person authorized by OLDHAM.
OLCT 20 sensor module
(LEL/TOX/O
2
)
3.3 Replacing a sensor on OLCT 20
When?
- When the sensor is damaged or cannot be calibrated.
- On a preventive basis.
How?
- Switch off the relevant measuring channel.
- Remove the sensor to be replaced.
- Replace it with a new, precalibrated unit.
- Switch the channel back on and check that it operates correctly.
3.4 Disposal of OLC(T) 20
Concerning the conservation, of the protection and the improvement of the
quality of the environment, as well as for the protection of the health of the
persons and the careful and rational use of natural resources, OLCT 20 has to be
the object of a selective collection for the electronic equipments and cannot be
scrapped with the normal domestic waste. The user thus has the obligation to
separate the OLCT 20 of the other waste so as to guarantee that it is recycled in a
sure way at the environmental level. For more details of the existing sites of
collection, contact the local administration or the distributor of this product.
- Adjustment of 0 in
clean air, using
potentiometer (item 1).
- Adjustment of
sensitivity (with
standard gas), using the
potentiometer (item 2).
item 1
item 2