Measurements - Pressure Measurement 17
M
EASUREMENTS
P
RESSURE
M
EASUREMENT
MC6-Ex supports the use of both internal pressure modules, if installed, and the
use of supported external pressure modules,
EXT
, when they are connected to
MC6-Ex's
PX
connector.
Note that pressure measurement requires knowledge of
pressure types
(abso-
lute pressure, gauge pressure and differential pressure). Measuring pressure
with inadequate knowledge of pressure types and the dangers of pressure de-
vices may result in false measurement results and/or serious accidents.
Please
read the warnings in Appendix
.
C
ONNECTING AND
D
ISCONNECTING
E
XTERNAL
P
RESSURE
M
ODULES
When an external pressure measurement module is connected and when appli-
cable, MC6-Ex opens a dialog. Among other information, the dialog includes a
possibility to choose where to use the connected external pressure module.
An external pressure module may be disconnected at any time. MC6-Ex indi-
cates that an external pressure module was removed. If the module was used
for a measurement, the measurement stops.
Z
EROING A
P
RESSURE
M
ODULE
If the selected pressure module does not display zero gauge pressure when the
applied pressure is zero, the module has to be zeroed. To do it, apply zero
gauge pressure and tap the zero button:
Internal pressure module connectors (P1 to P2)
and connector for external pressure module's
communication cable (PX).
Notes.
The amount of internal pressure modules on your particular
MC6-Ex may differ from the picture presented here.
Warnings!
Use only ETX-IS or EXT-s-IS external pressure modules in
hazardous area. If you have EXT-modules that are not in-
trinsically safe, they may be used in safe area only.
Select a pressure module that has a suitable measurement
range for your pressure signal. Too low/high measurement
range on the pressure module results in faulty modules,
imprecise readings or even accidents.
Содержание MC6-Ex
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Страница 60: ...52 MC6 Ex User Manual Part 5 Documenting Calibrator ...
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