Instruction Manual pH 5+, pH 6+, Ion 6+
3.4 Temperature Calibration
With Temperature Probe (Automatic Temp
erature Compensation)
The thermistor sensor used for temperature measurement is accurate and stable, so
frequent calibration isn’t required. Temperature calibration is recommended upon
electrode replacement, whenever the temperature reading is suspect, or if matching
against a certified thermometer is desired.
If temperature
calibration will be performed, be sure that the thermometry
source being used as a reference is accurate!
1. Turn on th
e meter and select °C mode by pressing
if necessary. Connect the
temperature probe and place it into a solution with a known accurate temperature
such as a constant temperature bath or NIST-traceable thermometer. Allow
adequate time to stabilize.
2. Press
to begin temperature calibration mode. “” (calibrate) will display
briefly. The un-adjusted °C value will blink.
3. Compare the measured value of the 5+/6+ temperature probe with the reference
thermometer. Use
(pH 5+ and pH 6+) or (Ion 6+) to adjust the
reading to the desired value. The maximum adjustment is ± 5 °C.
4. Press
to confirm the value. “” (confirm) will display briefly. The meter will
automatically save the calibration, cease blinking, and begin °C measurement.
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