Thermo Fisher Scientific Alpha pH 2000 - Manual (Page 6)

10.3 R ETURN OF G OODS ................................................................................................................... 39
10.4 G UIDELINES FOR R ETURNING U NIT FOR R EPAIR .......................................................................... 40
10.5 M AINTENANCE AND C LEANING .................................................................................................... 40
11 APPENDICES ............................................................................................................................ 41
11.1 A PPENDIX 1 – U NIT FUSE AND JUMPER SETTINGS ........................................................................ 41
11.2 A PPENDIX 2 – P H BUFFER VALUES AT VARIOUS TEMPERATURES ................................................... 43
11.3 A PPENDIX 3 –S IMPLE EXPLANATION ON THE FUNCTION OF HYSTERISIS ......................................... 44
11.4 A PPENDIX 4 – G ENERAL INSTRUCTIONS CONCERNING C ONTROLLER S ETTING .............................. 45
11.4.1 Control characteristic of Controllers used as limit value switch....................................... 45
11.4.2 Control characteristic of P-Controller as proportional controller...................................... 45
11.4.3 Control characteristic of PI-Controller as a proportional integral controller ..................... 45
11.4.4 Controller signal of Pulse length Controllers ................................................................... 46
11.4.5 Controller signal of Pulse Frequency Controllers ............................................................ 47
11.5 A PPENDIX 5 – A BBREVIATIONS USED IN MENU DISPLAYS .............................................................. 48