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YSI IQ S ENSOR N ET TriOxmatic 702 IQ User Manual

Page 42

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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 a
nd 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