User Manual
TRAQC-8
TRAQC-8 04/2017 EN Rev.4
page : 15
2.9
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’ key
s.
•
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 I
nput
’
, ensure that the pressure ports are open to atmospheric
pressure.
The TRAQC-8 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
•
Connect one side of a pressure hose to the pressure
coupling (-port) of the TRAQC-8 and leave the other side of
the hose unconnected.
With these procedures the pressure in the system of the TRAQC-8
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.
2.10
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.
