User Manual
TRAQC-8 DPC
TRAQC-8 DPC 11/2016 EN Rev.3
Sheet 19
3.9
Zeroing
To zero an input signal press ‘ZERO’ key (F2) in the “measuring mode”
display. The menu shows the different inputs that can be zeroed, consisting
of pressure inputs and the electrical inputs. Select the desired input using
the ‘ARROW’ keys.
By pressing the ‘BACK’ key (F3) the zeroing procedure is stopped
without making modifications.
By pressing ‘ENTER’ key (F1) the zeroing procedure is continued and
there is asked to confirm the zeroing procedure after which the
calibrator returns to measuring mode.
When zeroing the ‘Pressure Input’, ensure that the pressure ports are open to atmospheric pressure.
The TRAQC-8 DPC comes standard with a quick connect coupling with
integraded shut off valve. This can be opened by:
Connect/insert the other half of the coupling to the pressure
coupling (-port) of the TRAQC-8 DPC
Connect one side of a pressure hose to the pressure coupling (-port)
of the TRAQC-8 DPC and leave the other side of the hose
unconnected.
With these procedures the pressure in the system of the TRAQC-8 DPC can
get equal with the atmospheric pressure.
To zero another test pressure and/or electrical signal, first generate the
required test signal (tare value) and carry out the above-described zeroing procedure. The test value displayed
is the difference between the actual test value and the entered tare value.
3.10
Selecting Pressure Units
When in “measuring mode” screen press the ‘UNIT’ key (F3) to change the unit.
Use the ‘ARROW’ keys to select the desired unit and press ‘ENTER’ key (F1)
to confirm and go back to “measuring mode”.
The following units can be selected:
bar
kgf/cm
2
inHg
mbar
mmH
2
O
torr
Pa
cmH
2
0
%
hPa
mH
2
O
mSeaw
kPa
inH
2
0
MPa
ftH
2
O
psi
mmHg
Not all operating modes that support pressure measurement have the ‘UNIT’ key due to lcd and
keyboard space limitations. The pressure unit can also be selected via the menu, press the ‘F1’key and
select the ‘pressure setup’ and then ‘pressure unit’ for these modes.
3.11
Pressure Range
Depending upon the configuration of the instrument the TRAQC-8 DPC can be equipped with one, two or
three pressure sensors.
