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12.2
Sending Readings to the RS232 Port .............................................. 29
12.3
RS232 Configuration ........................................................................ 29
12.4
Communication and Statistical Software ......................................... 29
12.5
Commands ....................................................................................... 30
12.6
Data Format ..................................................................................... 31
12.7
GLP Data Format ............................................................................. 32
12.8
Importing Data into Microsoft Excel ................................................. 32
13.
Battery Saver Function ............................................................. 34
14.
Recharging the Battery ............................................................. 35
15.
Clock Function .......................................................................... 36
15.1
Setting the Clock .............................................................................. 36
15.2
Displaying or Hiding the Clock ......................................................... 36
16.
Selecting Buffers for Auto Buffer Recognition ....................... 37
17.
Initialising the WP-80M ............................................................. 38
18.
Instrument firmware version number. ..................................... 38
19.
Troubleshooting ........................................................................ 39
19.1
General Errors .................................................................................. 39
19.2
pH and mV/ORP Troubleshooting ................................................... 40
19.3
Temperature Troubleshooting .......................................................... 41
20.
Appendices: pH Sensor Theory .............................................. 42
20.1
Asymmetry of a pH Sensor .............................................................. 42
20.2
Slope of a pH Sensor ....................................................................... 43
20.3
pH Temperature Compensation ....................................................... 44
21.
Warranty .................................................................................... 45