Thermo Fisher Scientific CyberScan PD 300 - Manual (Page 21)

Instruction Manual PD 300
To calibrate in mg/L (ppm) mode:
1. Calibrate 100% saturation as per Section 4.5.
2. Rinses the probe well with deionised rinse water. Wipe
the outside of the probe carefully (do not touch the
membrane).
3. Dip the probe into a sample of known oxygen
concentration. Wait for the reading to stabilise. If the
READY indicator feature is enabled, it will appear when
the reading is stable.
4. Press the MODE key to select the mg/L (ppm) mode.
5. Press the CAL key. The CAL indicator will appear above
the primary display. The primary display shows the
current value of the measurement and the secondary
display shows the temperature.
6. Press the ▲ and ▼ keys to adjust the reading.
7. Press the ENTER key. The meter automatically
calibrates to the value you entered and returns to
Measurement mode.
Figure 12: To calibrate in
mg/L (ppm) mode
(The values shown above
are for illustration purpose.
Your meter may display
different values depending
on the settings & your
environmental conditions)
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