11
Device Maintenance and Precaution
11.1
Maintenance Best Practices
For greatly increased working life of the SP-710 follow the list of maintenance best practices below:
• Rinse the SP-710 with tap water or DI water after measurement and remove residual water using a
paper towel.
• Maintain 1 mL of pH/ORP Storage Solution in the pH/ORP cell at all times when the SP-710 is not
being used.
• Close the pH/ORP cell seal firmly to keep the pH/ORP cell wet. Use rubber-band to ensure cell cap
remains closed for aggressive handling.
• On a monthly basis, or as needed, conduct a chemical cleaning using Pyxis SER-02 Handheld Cleaning
Solution of the main module cell to remove deposition or film development.
• Use a Q-tip to gently clean the inside of the main module cell to remove any deposits that may have
attached to the optical and electrode surfaces.
• Completely soak the main module cell for one hour before a measurement if the SP-710 has not been
used in more than two weeks.
• Do not expose the SP-710 to an extreme high or low temperature condition such as leaving the SP-
710 inside an unattended automobile. The pH electrode can survive a few short exposures to 0 °F
(-18 °C) or 140 °F (60 °C), but repeated extreme low and high temperature cycling will damage the
pH electrode.
SP-710 User Manual
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