INFICON Composer Gas Concentration Controller - Manual (Page 79)

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Composer Operating Manual
Minimum Bubbler Flow (User 3) . . Parameter used to set a minimum opening
for the Bubbler’s MFC, avoiding
unnecessary control action on start-up and
resulting unpredictable concentration
profiles. This parameter is overridden
during periods of external (reactor) control
[when the STOP message is illuminated].
(0.000 to full MFC range.)
Max Input (User 5) . . . . . . . . . . . . Parameter sets flow corresponding to Max
Voltage applied to Control In connector.
Min Input (User 6) . . . . . . . . . . . . . Parameter sets flow corresponding to zero
volts applied to Control In connector.
All of these parameters are also used in the “Concentration Control”
configuration. Many additional parameters used in the Concentration Control
configuration are not required. These parameters do not light on the display,
being automatically skipped as the film’s parameters are stepped through. The
instrument can store up to 9 unique sets of parameters, individually indicated
by a unique PROG #.