11.3 RS232 Configuration ........................................................................ 28
11.4 Communication and Statistical Software ......................................... 28
11.5 Commands ....................................................................................... 29
11.6 Data Format ..................................................................................... 30
11.7 GLP Data Format ............................................................................. 31
12. 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 k=0.1 or k=10 Conductivity Sensors ....................... 37
17. Selecting Buffers for Auto Buffer Recognition ....................... 38
18. Initialising the WP-81 ................................................................ 39
19. Instrument firmware version number. ..................................... 39
20. Troubleshooting ........................................................................ 40
20.1 General Errors .................................................................................. 40
20.2 Conductivity Troubleshooting ........................................................... 41
20.3 pH and mV/ORP Troubleshooting ................................................... 43
20.4 Temperature Troubleshooting .......................................................... 44
21. Appendices: pH and Conductivity Sensor Theory ................. 45
21.1 Care, Cleaning and Maintenance of Conductivity Sensors ............. 45
21.2 Replatinising Conductivity Sensors .................................................. 46
21.3 pH Sensor Fundamentals ................................................................ 47
22. Warranty .................................................................................... 50