Xylem wtw NitraVis 705 IQ, Руководство по эксплуатации

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Maintenance and cleaning
NitraVis 70x IQ
34 ba75951e03 05/2017
5 Maintenance and cleaning
5.1 Maintenance
The UV-VIS- NitraVis 70x IQ sensor operates maintenance-free.
5.2 Sensor cleaning
5.2.1 Cleaning agents and accessories
Cleaning agents To clean the sensor, use the following cleaning agents only:
* For the final cleaning prior to a
Sensor check
or
Zero adjustment
, only use
cleaning agents with purity grade "for analysis". Finally, thoroughly rinse the
sensor with ultrapure water.
Accessories

Sponge

Plastic-bristled brushes of different sizes.
Interdental brushes are suitable for the cleaning of the compressed air chan -
nels.

Flocked cleaning cards (see accessories)

Lens tissues

Wash bottle
NOTE
Never use any pressure washer, steam blaster, abrasives or metal brushes to
clean the sensor. Risk of damaging the sensor.
Contamination Cleaning agents
Water-soluble substances – Primary cleaning: Tapwater, warm if
possible
(30 - 50 °C)
– Precision cleaning: Household wash -
ing-up ultrapure water.
Lime deposits 5 % hydrochloric acid *
Grease deposits Mixture of isopropanol and water (approx.
70 % isopropanol) *