YSI 52 - Manual (Page 3)

CONTENTS
SECTION 1 INTRODUCTION ................................................................................................................. 1
1.1 PRINCIPLES OF OPERATION ...................................................................................................... 1
1.2 DISPLAY AND FUNCTION KEYS ............................................................................................... 2
1.3 FUNCTION SWITCH ..................................................................................................................... 2
1.4 POWER ON SELF-TEST ................................................................................................................ 2
SECTION 2 PREPARING THE METER ............................................................................................... 3
SECTION 3 CALIBRATION ................................................................................................................... 5
3.1 PERCENT AND MG/L.................................................................................................................... 5
3.2 DETERMINING CALIBRATION VALUE.................................................................................... 5
3.3 CALIBRATION IN AIR .................................................................................................................. 6
3.4 CALIBRATION IN AIR-SATURATED WATER .......................................................................... 7
3.5 CALIBRATION BY WINKLER TITRATION ............................................................................... 7
3.6 ZERO CALIBRATION ................................................................................................................... 8
3.7 RESETTING THE DEFAULT ZERO CALIBRATION ............................................................... 10
SECTION 4 SALINITY........................................................................................................................... 11
SECTION 5 OPERATION ...................................................................................................................... 13
5.1 TEMPERATURE MEASUREMENTS ......................................................................................... 13
5.2 DISSOLVED OXYGEN MEASUREMENTS .............................................................................. 13
5.3 MEASURING OXYGEN IN FLUIDS OTHER THAN WATER.................................................. 13
5.4 RECORDING TO INTERNAL MEMORY................................................................................... 14
5.5 REVIEWING RECORDED LIVE DATA ..................................................................................... 15
5.6 PRINTING DATA FROM MEMORY .......................................................................................... 16
5.7 SENDING RECORDED DATA TO A PERSONAL COMPUTER .............................................. 16
5.8 ERASING THE MODEL 52 MEMORY ....................................................................................... 17
SECTION 6 SYSTEM SETUP................................................................................................................ 18
6.1 SETTING THE TIME AND DATE ............................................................................................... 18
6.2 SETTING UP AUTOSTABLE ...................................................................................................... 18
6.3 SETTING COMMUNICATION PARAMETERS ........................................................................ 20
6.4 LAST DIGIT SUPPRESSION ....................................................................................................... 21
6.5 CONTRAST ADJUSTMENT........................................................................................................ 21
SECTION 7 PERSONAL COMPUTER INTERFACE........................................................................ 23
7.1 WRITING YOUR OWN APPLICATIONS SOFTWARE ............................................................ 23
SECTION 8 MAINTENANCE AND TROUBLESHOOTING............................................................ 25
8.1 BATTERIES .................................................................................................................................. 25
8.2 POWER
ON SELF-TESTING AND ERROR DISPLAY MESSAGES ........................................ 25
SECTION 9 DISCUSSION OF MEASUREMENT ERRORS............................................................. 27
9.1 TYPE 1 ERRORS – INSTRUMENT COMPONENTS.................................................................. 27
9.2 TYPE 2 ERRORS – PROBE ACCURACY ................................................................................... 27
9.3 TYPE 3 ERRORS - CALIBRATION............................................................................................. 28
9.4 ERROR CALCULATION EXAMPLE.......................................................................................... 28
SECTION 10 WARRANTY AND REPAIR ...................................................................................... 31
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