General Operating Principles; Operating Modes; Navigation - wtw pHotoFlex pH Operating Manual

Operation
Operating elements,
display

Operating modes,

navigation

Measured value display
22
For optimum measurement results, the cell must always be covered by
the external light cover. Otherwise, external light can falsify the mea-
surement result.
4.3

General operating principles

This section contains basic information on the operation of the
®
pHotoFlex pH.
An overview of the operating elements and the display is given in
section 1.2 and section 1.3.
An overview of the operating modes of the pHotoFlex
igation through menus and functions can be found in section 4.3.1 and
section 4.3.2.
4.3.1 Operating modes
The instrument has the following operating modes:
 Measurement
The display indicates measurement data in the measured value dis-
play
 Calibration
The display indicates a calibration process with calibration informa-
tion,
or a process to carry out a zero adjustment
 Data transmission
The meter transmits measuring datasets or calibration records to the
serial interface
 Configuration
The display indicates a menu with further menus, settings and func-
tions
4.3.2 Navigation
In the measured value display, you can
 select a measuring mode with <M> (long pressure)
 select a measured parameter in the active measuring mode (e. g.
pH <−> mV) with <M> (short pressure)
 open the menu with <MENU>
 switch to the superordinate Start menu with <ESC>.
®
pHotoFlex pH
®
pH and the nav-
ba75975e05 10/2017