Pyxis 53709, Руководство пользователя

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5.3 Calibration Screen and Reading
When connected, the uPyxis® Mobile App will default to the Calibration screen. From the Calibration
screen, you can perform calibrations by pressing on Zero Calibration , Air Calibration , and 4–20mA Span .
*
NOTE
*
Before calibrating, remove the ST-773 sensor from the water and wipe it with a
damp cloth to remove debris and any biofouling. If there is water on the membrane, dry it
with a soft cloth, taking special care not to damage the membrane.
Figure 8.
5.3.1 Zero Calibration
1. Place the sensor in Nitrogen Gas or 5% Sodium Sulfite solution (anaerobic water).
2. Let the ST-773 sensor stand for a minimum of 15 minutes. Observe the values being displayed on the
Calibration screen.
3. Once the displayed oxygen and temperature values are stable, press Zero Calibration to perform a
zero calibration.
4. If the calibration is successful, the interface will return a message ”Calibration Succeeded”. If the
calibration fails, press Zero Calibration again and repeat.
ST-773 User Manual service@pyxis-lab.com | +1 (866) 203-8397 13