Xylem NiCaVis 705 IQ Operating Manual page 33

NiCaVis 705 IQ
Preparing the
sensor check or
Zero adjustment
ba75953e03 05/2017
Prepare the sensor check or
1. Switch to the measured value display with <M>.
2. Use <> to select the NiCaVis 705 IQ sensor.
3. Call up calibration with <C>. The
Linked outputs are frozen.
By activating the maintenance condition, linked outputs remain in
their present state. The cleaning and the determination of measured
values are switched off. The measured value display shows a flash-
ing, invalid measured value ("----").
4. Confirm the maintenance condition with <OK>.
5. Take the sensor out of the test sample.
6. Remove the blind plug or unscrew the compressed air connection from
the sensor.
7. Thoroughly clean the sensor enclosure, sensor sleeve and the com-
pressed air channels (see section 5.1 M
To finish the cleaning procedure, thoroughly rinse the entire sensor with
ultrapure water.
8. Mount the cleaned sensor sleeve:
 Loosen both coupling rings on the sensor sleeve.
 Put the sensor sleeve on the sensor and align it:
– The measuring gap is in the center of the sensor sleeve
– The filling opening of the sensor sleeve and the measuring gap
opening of the sensor are offset by 90°.
 Tighten both coupling rings on the sensor sleeve by hand.
Zero adjustment
as follows:
Maintenance condition:
window appears.
AINTENANCE
Measurement / Operation
).
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