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Instruction Manual
pH 5/6 & Ion 6
17
3.5.2
Without Temperature probe (no ATC)
If no temperature probe is used, the meter compensates for pH response based on a
new calibrated temperature value manually set by you or at 25.0
o
C (factory default).
1. Press
MODE
key to enter into Temperature mode until “
o
C
” shows in LCD.
2. Compare the displayed value to NIST certified thermometer or thermometer known
to be accurate (dipped into a constant temperature bath).
3. Press
CAL
key to enter temperature calibration mode. The LCD shows “
CA
”
momentarily and displayed reading flashes. Note that this displayed value should
either be 25.0
o
C or last set temperature value.
4. Press and key (for Ion 6) or
INC
key (for pH 5/6) until the displays shows the
desired temperature. You can set any value from 0 to 100
o
C.
5. To cancel or abort this operation, press
CAL
key. Note no new value will be stored
into its meter‘s non-volatile memory. To confirm calibration, press
ENTER
key. The
LCD displays “
CO
” momentarily, and the meter reverts to measurement mode.