6
Operating in CI Mode
To Operate the Reagent Gas Flow Control Module
5977B Series MSD Operating Manual
153
The
Open
and
Closed
states are shown in the monitors as
Open
and
Closed
respectively.
Figure 50.
Reagent gas flow control module schematic
Gas A
(methane)
supply
Gas B
(other)
supply
Gas A
select valve
Gas B
select valve
MFC
Calibration
valve
Restrictor
Calibration
vial
Shutoff
valve
GC/MSD
interface
GC column
CI
source
Table 14 Flow control module state diagram
Result
Gas A flow
Gas B flow
Purge
with Gas A
Purge
with Gas B
Pump out
flow module
Standby, vented, or
EI mode
Gas A
Open
Closed
Open
Closed
Closed
Closed
Gas B
Closed
Open
Closed
Open
Closed
Closed
MFC
On
setpoint
On
setpoint
On
100%
On
100%
On
100%
Off
0%
Shutoff valve
Open
Open
Open
Open
Open
Closed
Summary of Contents for 5977B CI MSD
Page 1: ...Agilent 5977B Series MSD Operating Manual ...
Page 12: ...12 5977B Series MSD Operating Manual ...
Page 34: ...1 Introduction To Replace the Primary Fuses 34 5977B Series MSD Operating Manual ...
Page 142: ...5 Operating in EI Mode To Pumpdown the MSD 142 5977B Series MSD Operating Manual ...
Page 252: ...8 CI Maintenance To Install the CI Source 252 5977B Series MSD Operating Manual ...
Page 253: ......