Greisinger GMH 3530 pH measurement equipment 600425 Data Sheet
Product codes
600425
H33.0.02.6C-09
Operating Manual GMH 3530
page 4 of 14
5
Display and control elements
5.1 Display elements
Main display: pH-value, redox-value (mV, mV
H
), rH
value or user prompt
Display elements to show minimum/maximum/
memorized measuring value
memorized measuring value
Display of measuring units
Warning signal (low battery or recalibration prompt)
ATC-arrow: indicates if temperature sensor has been
connected, i.e. if automatic temperature
compensation is active, when operating in
the pH, mV
compensation is active, when operating in
the pH, mV
H
or rH mode.
ok-arrow: indicates that measuring value has been sta-
ble for a longer period of time
CAL-arrow: indicates that device is being calibrated at
the moment, when operating in the pH
mode.
mode.
Secondary display: measuring value, temperature
or user prompt
5.2 Pushbuttons
On/off key
+
min/max when taking measurements:
press shortly: min. or max. meas. value so far will be
displayed
press for 2 sec.: the min. or max. value will be deleted
Configuration: to enter values, or
change settings
change settings
CAL
: for ’pH’ mode only:
press shortly: display state of electrode condition and
calibration data
press for 2 sec: start pH-calibration
Set/Menu:
press (Set) shortly: for ’pH’ and ’mV
press (Set) shortly: for ’pH’ and ’mV
H
: manual tempera-
ture input if no temperature probe is con-
nected additionally for ’rH’: manual input of
pH value.
nected additionally for ’rH’: manual input of
pH value.
press (Menu) for 2 sec: configuration will be activated
Store/Quit:
measuring: holds and memorizes current meas. value
(’HLD’ in display)
Configuration: enter setting, return to measuring
5.3 Connections
interface: connection for galv. Isolated interface adapter
(accessory: GRS 3100, GRS3105 or USB3100)
BNC-socket: connection for pH- or redox-electrode
Mini-DIN-socket: connection for Pt100-temperature probe
(4-wire connection;
(4-wire connection;
2-wire also possible, but may result in additional mea-
suring faults due to cable)
The mains socket is located at the left side of the instrument
1
2
3
4
5
6
ON
OFF
max
Store
CAL
min
Set
Menu
Quit
pH
mV
mV
H
rH
ATC
ok
CAL
AL
Logg
pH
mbar