Transmitter 9135 - pH measurement in pure waterPage 1Table of contentsHach Lange .................................................................................................................... 2Table of contents .......................................................................................................... 11. General description of the system for pH measurement in pure water ............ 3Presentation of the 9135 transmitter ........................................................................ 3Introduction ............................................................................................................... 4Theory .......................................................................................................... 4Description of the system for pH measurement in pure water ................................. 6Characteristics .......................................................................................................... 72. Installation of the chain for measuring pH in pure water ................................. 13Unpacking the 9135 transmitter and the 8362 probe ............................................. 13Advice for installation .............................................................................................. 13Mounting types........................................................................................................ 143. Electric connections ............................................................................................. 17Electronic board lay-out in the 9135 transmitter enclosure .................................... 17Main connection ...................................................................................................... 194. Hydraulic connection ........................................................................................... 21Preparation of system measurement (Model 8362-1) .............................................. 21Hydraulic connections ............................................................................................. 21Flow rate and pressure ........................................................................................... 21Electrical connection of the measurement system (Model 8362)........................... 235. Using the 9135 transmitter................................................................................... 27Utilization rules for the menus ................................................................................ 27Modification of a value ............................................................................................ 28Measures display .................................................................................................... 28Main display ............................................................................................................ 29Display options........................................................................................................ 30Choice of the language .............................................................................. 30S/DISPLAY Menu ...................................................................................... 306. Configuration of the 9135 transmitter ................................................................ 31MAIN menu ............................................................................................................. 31CALIBRATION menu .............................................................................................. 32pH calibration ............................................................................................. 32Buffer solutions .......................................................................................... 32Choice of the calibration type .................................................................... 34Automatic calibration ................................................................................. 342 point calibration....................................................................................... 35Process calibration .................................................................................... 35Values calibration ...................................................................................... 35Slope and offset limits................................................................................ 35