YSI IQ SensorNet SensoLyt Sensor 700 IQ (SW) - 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