7 what to do if, What to do if -1, 7what to do if – YSI IQ SensorNet SensoLyt Sensor 700 IQ (SW) User Manual
Page 33
SensoLyt
®
700 IQ (SW)
What to do if...
7 - 1
ba76006e01
01/2012
7
What to do if...
No measured value
Measurement does not
function
System cannot be
calibrated
Cause
Remedy
– Sensor not connected
– Connect the sensor
– Unknown
– Look in the log book
Cause
Remedy
– Watering cap still on the
electrode
– Pull off watering cap and
calibrate
– Electrode not connected
– Connect electrode
– Liquid has penetrated the
sensor
– Sensor defective, send it back
– Sensor not connected
– Connect the sensor
– Instrument setting incorrect
– Correct instrument setting
Cause
Remedy
– Slope of the electrode not
within tolerance (see section
4.2.5)
– Condition the electrode
– If the slope is still outside the
tolerance: replace electrode
– Slope of the electrode too low
– Replace electrode
– Asymmetry of the electrode
too high
– Replace electrode
– Sensor is operated with ORP
electrode
– Use pH electrode