NitraVis 70x IQ
Measurement / Operation
33
ba75951e03
05/2017
Result
after
Sensor
check (standard)
Completing the
sensor check or
Zero adjustment
After a successful sensor check or
Zero adjustment
, return to measurement as
follows:
If no valid zero adjustment is possible under the current conditions,
you can restore the readiness for measurement by measuring with
an older valid zero adjustment.
To do so, select the
Zero adjustment
setting in the sensor settings
Factory
(factory zero adjustment) or
User
(last valid user zero
adjustment).
Then check the measurement results with a
Sensor check (stan
-
dard)
. Suitable standards (check equipment) for your sensor are
available as accessories (see chapter 6).
Result
Meaning
OK
Sensor check (standard)
successful.
Error
Sensor check (standard)
not successful.
Possible cause: wrong or expired standard
17.
Confirm the calibration result with <OK>.
18.
Confirm the message,
"After successful cal ..."
with <OK>.
The display returns to the measured value display. The measured value
flashes because the sensor is still in the maintenance condition.
19.
Pour away the ultrapure water or standard solution and remove the
sensor sleeve.
20.
Screw in the blind plug or compressed air connector and install the sen
-
sor at the measuring site.
21.
After the
Sensor check (standard)
:
Thoroughly rinse the sensor and sensor sleeve with ultrapure water.
22.
NitraVis 70x IQ Switch off the maintenance condition (use <
>
to select the sensor, press <OK> and make the setting in the
Display/
Options
menu).
23.
Switch to the measured value display with <M>. The measured value
stops flashing.
Store the sensor sleeve in a clean environment, e. g. in a plastic
bag, until the next sensor check or
Zero adjustment
.
Содержание wtw NitraVis 705 IQ
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Страница 2: ...2 ba75951e03 05 2017 NitraVis 70x IQ Copyright 2017 Xylem Analytics Germany GmbH Printed in Germany...
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