H55.0.31.6C-05
Operating Manual GDH 200-14
page 4 of 8
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5 Operation
5.1 Display elements
1: Main display
Display of current measuring value or of
minimal measured value (“Lo” blinking) or
maximal value (“Hi” blinking)
LOBAT
Indicates low battery
5.2 Pushbuttons
on/off:
on/off switch
, press key long to switch device off
mode:
press short:
changes between actual measuring
value, the minimal measured value (“Lo” blinking) and
maximal measured (“Hi” blinking) value.
press >2s:
reset Min and Max value
zero:
press >2s:
activates / deactivates the “Zero-function“
6 Starting
Switch the device on with button
.
After the segment test
( )
the device displays some information to its current configuration:
OFFS
, if offset correction is active
, if scale corrections active
Unit of meas. value: nbAr
(=mbar) | bar | PSI | nnHg (=mmHg)
SEA.L
, if sea-level correction is active
P.OFF
, if auto power-off is active
Afterwards the device is ready for measuring.
7 Pressure Connection
The pressure is connected to the instrument via the front side pressure port. This is optimised for
the connection of 6x1 mm (4 mm inner diameter) tubes.
Suitable tubes are:
PVC up to 5 bar rel.
PE up to 10 bar rel.
PUR up to 9 bar rel.
At pressures above 2 bar rel. the tube should be locked e.g. by means of a cable strap or a hose
clamp.
PUR tube and hose clamp
Up to 2 bar rel.
Above 2 bar rel: lock with
clamp
