Thermo Fisher Scientific CyberScan PD 300 - Manual (Page 23)

Instruction Manual PD 300
Manual Temperature Compensation (pH only)
IMPORTANT: For manual compensation, you must
disconnect the temperature probe (see page 10).
1. Switch the meter on. Press the MODE key to
select pH mode.
2. Press the CAL/MEAS key to enter pH
calibration mode. The CAL indicator will
appear above the primary display.
3. While in pH calibration mode, press the
MODE
key to enter temperature calibration
mode. The primary display shows the
current temperature setting and the
secondary display shows the default value
25
°C.
4. Check the temperature of your sample using
an accurate thermometer.
5. Press the ▲ or ▼ keys to set the
temperature to the measured value from step
4.
6. Press ENTER to confirm the selected
temperature and to return to the pH
measurement mode.
See Figure 14.
Figure 14: Manual temperature
compensation
The meter will now compensate pH readings for the
manually set temperature.
NOTE
To exit this program without confirming the manual temperature compensation value,
DO NOT press ENTER in step 6. Press CAL/MEAS instead.
5.1.3
18