User Manual

Optical pH Sensors | User Manual
© PyroScience GmbH 3
TABLE OF CONTENT
1 Introduction ..................................................................................................................................... 5
2 Sensor Settings ............................................................................................................................... 6
2.1 Explanation of the Sensor Code ................................................................................................ 7
2.2 Conditions in the Sample ............................................................................................................. 7
2.2.1 Temperature ......................................................................................................................... 7
2.2.2 Salinity.................................................................................................................................... 8
3 Sensor Calibration ....................................................................................................................... 10
3.1 General Informations .................................................................................................................. 10
3.1.1 Temperature ...................................................................................................................... 11
3.1.2 Background Compensation .......................................................................................... 11
3.2 Preparation of Calibration Standards .................................................................................. 12
3.3 First Calibration Point (acidic pH) .......................................................................................... 12
3.4 Second Calibration Point (basic pH) ...................................................................................... 14
3.5 pH Offset Adjustment (Advanced Applications) .............................................................. 14
3.6 Common Warnings during Calibration ................................................................................. 14
3.6.1 "Signal Intensity too low, refer to the manual” .................................................. 14
3.6.2 “Warning: Sensor signal out of range” .................................................................... 15
3.6.3 “Warning: Wait for steady state” .............................................................................. 15
3.6.4 “Warning: Bad temperature measurement” .......................................................... 15
3.7 Advanced Calibration of Sensor Spots ................................................................................ 16
4 Sterilization, Cleaning and Storage ......................................................................................... 17
4.1 Cross Sensitivities ........................................................................................................................ 17
4.2 Sterilization ..................................................................................................................................... 17
4.3 Cleaning and Storage .................................................................................................................. 17
5 Related Documents ..................................................................................................................... 19
6 Appendix ....................................................................................................................................... 20