YSI IQ S ENSOR N ET TriOxmatic 702 IQ - Manual (Page 42)

What to do if... TriOxmatic
®
702 IQ
6 - 2 ba76048e01 01/2012
Measured value
fluctuating heavily
Measured values too
high
Incorrect temperature
display
Cause Remedy
– Membrane cap loose – Screw the membrane head
tight
– Membrane does not fit snugly on
the gold working electrode
– Change the membrane cap,
then recalibrate (see section
5.3 and section 4.2)
Cause Remedy
– Sensor not yet completely
polarized
– Wait for complete
polarization (at least 1 hour)
– Sensor has not been calibrated
for a long time
– Clean the outside of the
sensor, then recalibrate (see
section 5.2 and section 4.2)
Cause Remedy
– Temperature sensor defective – Return the sensor