Instruction Manual

CONTENTS
4
www.krohne.com 09/2012 - 4002314801 - MA OPTISENS PH 9100 R02 en
OPTISENS PH 9100
5.1 Maintenance ................................................................................................................... 37
5.1.1 Cleaning ................................................................................................................................ 37
5.1.2 Aging and re-calibration ....................................................................................................... 37
5.2 Spare parts availability...................................................................................................38
5.3 Availability of services .................................................................................................... 38
5.4 Returning the device to the manufacturer..................................................................... 38
5.4.1 General information.............................................................................................................. 38
5.4.2 Form (for copying) to accompany a returned device............................................................ 39
5.5 Disposal .......................................................................................................................... 39
6 Technical data 40
6.1 Measuring principle........................................................................................................40
6.1.1 pH measurement .................................................................................................................. 40
6.2 Technical data................................................................................................................. 42
6.3 Dimensions ..................................................................................................................... 44
7 Appendix 45
7.1 pH as a function of mV.................................................................................................... 45
7.2 pH temperature dependency.......................................................................................... 46
8 Notes 47