Xylem YSI ViSolid 700 IQ, Руководство по эксплуатации, Страница: 28 / 40

What to do if ... SensoLyt
®
700 IQ H
28
ba76206e02 12/2020
7 What to do if ...
No measured value
Measurement does not
function
Sensor cannot be
calibrated
Measurement provides
implausible measured
values
Cause Remedy
Sensor not connected
Connect the sensor
Unknown
Refer to log book
Cause Remedy
Watering cap still on the elec-
trode
Pull off watering cap and calibrate
Electrode not connected
Connect the electrode
Liquid has penetrated into the
sensor
Sensor defective, send it back
Sensor not connected
Connect the sensor
Incorrect instrument setting
Correct the instrument setting
Cause Remedy
The slope of the electrode is
outside the tolerance (see sec-
tion
4.2.5
)
– Condition the electrode
– If the slope continues to be out-
side the tolerance: Replace the
electrode
Slope of the electrode too low
Replace the electrode
Asymmetry of the electrode too
high
Replace the electrode
Sensor is operated with ORP
electrode
Use pH electrode
Cause Remedy
Not calibrated
Calibration
Electrode not connected or
defective
Check electrode and electrode
connection
Electrode contaminated
Clean electrode
Liquid has penetrated into the
sensor
Sensor defective, send it back