H31.0.31.6C-06
User’s Manual GMH3150
page 3
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main display:
shows measuring value.
!
: indicates weak battery or other warnings
secondary display:
min-, max- or hold value
Logg:
appears, if logger function is chosen,
flashes when logger is running
AL:
(not at all devices) flashes, if alarm exists
Units:
an arrow points to
the chosen measuring unit
Tara:
appears if tara-
function is activated.
SL:
appears if sea-level-
correction is activated
1.2 Operation And Maintenance Advice
•
Battery Operation
If
and ´bAt´ are shown in the secondary display the battery has been used up and needs to be
replaced. The device will, however, operate correctly for a certain amount of time. If ´bAt´ is shown in the
upper display the voltage is too low to operate the device; the battery has been completely used up.
The battery has to be taken out, when storing device above 50°C.
Please note: We recommend to take out battery if device is not used for a longer period of time!
•
Mains Operation With Power Supply
Warning:
When using a power supply please note that operating voltage has to be 10.5 to 12 V DC.
Do not apply overvoltage!! Cheap 12V-power supplies often have excessive no-load voltage.
We, therefore, recommend using regulated voltage power supplies. Trouble-free operation is guaranteed
by our power supply GNG10/3000.
Prior to connecting the power supply to the mains make sure that the operating voltage stated at the
power supply is identical to the mains voltage.
!
Connecting/Changing Sensors
Do not use insuitable sensors. Connecting other devices/sensors as specificated may cause a damage to
the instrument and device/sensor! Switch off device before changing the sensor.
Connect sensor before switching on the device, otherwise the sensor may not be detected correctly.
When connecting the sensor the connector may not lock correctly. In such case take the plug not at the
casing but at the buckling protection at the end of the plug. If plug is entered correctly, it will slide in
smoothly. To disconnect sensor do not pull at the cable but at the plug (to open locking mechanism).
1.3 Connections
Connection for pressure sensors of the GMSD-family (p.r.t. chapter 10)
Interface: Connection for el. isolated interface adapter (p.r.t. chapter 5)
The mains adapter socket is located at the left side of the device.
1.4 Display
1.5 Basic Operation
When switching on
the device and the logger function is not off the time of the integrated clock will shortly
be displayed. If a
zero point adjustment
was carried out the display shows shortly „nuLL Corr“.
After changing the battery
the clock-setting menu is activated automatically (‚CLOC‘). Check the clock and
adjust, if necessary (p.r.t. chapter 2).
On-/Off-Switch
Tara:
Calling of tara function, zero point adjustment
min/max:
Showing the min- resp. max-memory in sec. display
Store/Quit:
Calling of hold function resp. calling of logger functions (p.r.t. chapter 4)
Set/Menu:
Calling of configuration
Max Memory:
Pressing ´max´ (key 2) shows the maximum of the measured values. Pressing it again
hides it. To clear the max memory press key ´max´ for >2 seconds.
Min Memory:
Pressing ´min´ (key 5) shows the minimum of the measured values. Pressing it again
hides it. To clear the min memory press key ´min´ for >2 seconds.
Hold Function:
By pressing ´Store/Quit´ (key 6) the last measuring value will be held in the secondary
display. Pressing it again hides it. (only when logger = ‚off‘).
Tare Function:
By pressing ´Tara´ (key 3) the display will be set to 0. All measurings from then on will be
displayed relatively to the set tare value. When tara function is activated, the arrow "Tara"
appears in the display. To deactivate tare function press ´Tara´ for >2 seconds.
Please Note: Activating/deactivating tara clears the max- & min-memories.
1
2
3
4
5
6
ON
OFF
max
Tara
Store
min
Set
Menu
Quit
!
