H34.0.01.6C-11
Operating Manual GMH 3430
page 4 of 10
5
Display and control elements
5.1 Display elements
Main display
:
conductivity, resistivity, filtrate dry resi-
due (TDS), salinity or user prompt
MAX/MIN/HLD:
display elements to show mini-
mum/maximum/
memorized measuring value
Display of
measuring units
for main display
Warning signal:
indicates low battery
Units
for configuration settings
Lin/nLF-arrow:
indicates set temperature compensation
Secondary
measuring value temperature or
Display:
configuration settings
Measuring value units
for temperature
5.2 Pushbuttons
On/off key
+
min/max when taking measurements:
press shortly:
indication of min. or max. value meas-
ured so far as well as corresponding
temperature
press for 2 sec.: the corresponding value is deletes
Configuration
:
to enter values or change settings
Range
: (for conductivity measuring only)
press for 2 sec.: change between automatic and manual
measuring range selection
press shortly (at manual measuring range selection):
change next higher measuring range or
change from highest to smallest meas-
uring range
Set/Menu
:
press shortly
(Set)
: change-over between measuring
units: conductivity, resistivity of fluid,
filtrate dry residue (TDS) and salinity
press for 2 sec. (Menu): configuration will be activated
Store/Quit
:
measurement: holding of current meas. value ('HLD' in
display)
Set/Menu:
acknowledge setting, return to measuring
5.3 Connections
Interface
: Connection for electrically isolated interface adaptor
(
accessories:
GRS 3100, GRS3105 o. USB3100)
Electrode
: cable gland for fixed conductivity electrode
The mains socket is located at the left side of the instrument.
MAX DIF
MIN HLD
%
°C
°F
S
Logg
%/K
AL
mS
nLF
SAL
mg/l
1/cm
Lin
kOhm
1
2
3
4
5
6
ON
OFF
max
Range
Store
min
Set
Menu
Quit
