Instruction Manual
HASAxE-IM-HS
05/2006
X-STREAM
1-15Emerson Process Management GmbH & Co. OHG
1 Technical Description
1-6 Optional Gas Path Components
1-6 Optional Gas Path Components
Optionally available for all analyzer variations
are:
• internal sample gas pump
• internal valve block
• internal flow monitor
• internal barometric pressure sensor
1-6-1 Internal Sample Gas Pump
An optional sample gas pump may be required
if the process gas stream is without exerting
pressure. In this case the pump ensures the
sample gas stream through the instrument
remains constant.
If an internal sample gas pump is installed, the
associated software setup menu entry shows
Yes (
5-4-3-5, page 5-41). The valve may
be controlled either manually by a correspon-
ding menu line or remotely by a digital input.
1-6-2 Internal Valve Block
An optional internal valve block allows to
directly connect sample gas as well as span
and zero calibration gases to the instrument,
e.g. enabling automatic calibration.
If an internal valve block is installed, the asso-
ciated software setup menu entry shows
Internal or Int+Ext ( 5-4-3-5, page 5-41).
Valve control is supported by a corresponding
menu line, by selecting the autocal mode or
remotely by digital inputs.
1-6-3 Internal Flow Monitor
An optional internal flow meter allows to
monitor the gas flow and set an alarm in case
of a fault.
If an internal flow monitor is installed, the asso-
ciated software setup menu entry shows Yes
(
5-4-3-5, page 5-41).
There will be a status message in the measu-
ring screen if the gas flow is too low and the
related "Check requests" menu entry is Yes
( chapter 8 "Troubleshooting").
1-6-4 Internal Barometric Pressure Sensor
An optional internal barometric pressure
sensor allows to compensate the influence of
changing ambient pressure on the measuring
results.
If an internal pressure sensor is installed, the
associated software setup menu entry shows
Internal or Use ch2 ( 5-4-3-5, page 5-41).
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