YSI 556 MPS - Manual (Page 102)

Section 11 Maintenance
YSI 556 MPS YSI Incorporated Page 96
NOTE: In the event that deposits have formed on the
electrodes, perform the following additional procedure:
1. Use a mild detergent solution in combination with the brush.
Dip the brush in the solution and insert it into each hole 1520
times.
2. Rinse the cell thoroughly in deionized or clean tap water.
NOTE: After cleaning, check the response and accuracy of
the conductivity cell with a calibration standard.
NOTE: If this procedure is unsuccessful, or if sensor
performance is impaired, it may be necessary to return the
sensor to a YSI authorized service center for service, Refer to
Appendix E Customer Service.
The temperature portion of the sensor requires no
maintenance.
11.2 Upgrading YSI 556 MPS Software
1. Access the YSI Environmental Software Downloads page as
described in Appendix G EcoWatch Step 1 through 3.
2. Click on the YSI Instruments Software Updates link (or
scroll down until you see YSI 556 MPS).
3. Click on the file icon to the right of the YSI 556 MPS listing
and save the file to a temporary directory on your computer.
4. After the download is complete, run the file (that you just
downloaded) and follow the on screen instructions to install
the YSI Code Updater on your computer. If you encounter
difficulties, contact YSI customer service for advice. Refer to
Appendix E Customer Service.
5. If necessary, disconnect the YSI 5563 Probe Module from the
YSI 556 MPS instrument.