5.
Press the
HOLD
key for
5
seconds
and wait till screen
changes.
6.
Use the
c
and
d
keys to
manually adjust until you reach
the correct temperature of
your sample according to the
reference thermometer.
7.
Press
ENT
to confirm and
return to the PH measuring
mode.
NOTE:
Once calibrated, you
don’t have to do this for any
other parameter as
temperature is common to all.
CHANGING THE
SENSOR
Rotate collar
away from you
Ribbed collar
After twisting the ribbed collar off,
hold the electrode/sensor module
and pull straight out.
4
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