YSI 550A Y S I Environmental iii
CONTENTS
CONTENTS............................................................................................................................................iii
GENERAL DESCRIPTION..................................................................................................................1
WARRANTY ..........................................................................................................................................2
FEATURES OF THE YSI 550A...........................................................................................................3
PRINCIPLES OF OPERATION..........................................................................................................5
PREPARING THE PROBE..................................................................................................................5
DISSOLVED OXYGEN CALIBRATION ..........................................................................................6
SALINITY COMPENSATION CALIBRATION ..............................................................................7
PROBE OPERATION...........................................................................................................................8
PROBE ELECTRODE MAINTENANCE..........................................................................................9
ACCESSORIES/REPLACEMENT PARTS.....................................................................................10
SPECIFICATIONS ..............................................................................................................................11
TROUBLESHOOTING.......................................................................................................................12
CONTACT INFORMATION.............................................................................................................13
REQUIRED NOTICE..........................................................................................................................14