H83.0.01.6C-6
Operating manual GMH 5450
page 5 of 20
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4 Handling
4.1 Display elements
1
Main display
: conductivity (mS/cm, µS/cm)
resistivity (k
Ωcm, MΩcm)
TDS / total dissolved solids (mg/l)
salinity (SAL)
2
Secondary display
: measuring value temperature
3 Arrows to selected
measuring unit
4 Rating of battery state
5
Display elements to show minimum / maximum / memorized
measuring value
6
nLF, NaCl, Lin
: display element for selected
temperature
compensation
7
%/K, 1/cm:
additional configuration units
8
logg-arrow
:
logger is ready
arrow flashing: automatic recording (Logg CYCL) is active
4.2 Pushbuttons
On / off key, backlight
press shortly: activate backlight or switch on instrument
press longer: switch off instrument
set / menu
:
press shortly: manual temperature input (if no
temperature probe is connected)
press for 2 sec. (menu): invoke configuration menu
min / max:
press shortly: min. or max. value is displayed
press for 2 sec: the corresponding value is deleted
cal
:
only at mode ‘cond’=conductivity:
press for 2 sec: start cell constant adjustment
store / enter
:
Logger off:
hold and save current measuring value
(‘HLD’ is displayed)
Logger on:
Operation of data logger
– chapter 8
Set/Menu:
confirm settings, return to measuring
