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6
•
Operation
6.6
Important Operating Parameters
Page 100
The parameters described in this section should be considered for
routine operation of the detector. You can usually access these
parameters from the Chromeleon user interface. For more information,
refer to Chromeleon Help and documents.
Parameters
Signal channels
CAD_1
Background current
Gas regulator
pressure (signal
channel)
Evaporation tube
temperature
Gas state
Autozero
Vanquish Charged Aerosol Detectors Operating Manual
Description
The signal channels are available for the detector in the
Instrument Configuration Manager (Chromeleon 7) or
Server Configuration program (Chromeleon 6.8).
The CAD_1 signal channel is available for data acquisition.
As a standard, the detector measures the current in pA.
Records and monitors the background current of the
detector during data acquisition without autozero or filter
constant applied. As a standard, the detector measures
the current in pA.
For further information, see
page
106.
Records and monitors the nebulizer pressure during data
acquisition.
The default unit setting for the gas pressure corresponds
to the Pressure Unit that is defined on the detector
configuration pages in the Chromeleon software.
For further information, see
page
106.
Records and monitors the actual temperature of the
evaporation tube during data acquisition. The
temperature is recorded in °C as a default.
For further information, see
page
106.
Turns the detector gas flow On or Off.
Observe the notes in
section 6.5.3 Turning On the
Detector Gas Flow, page
99.
Performs an automatic null balancing. The current
detector signal is interpreted as 0 at the current range in
use.
section 6.7.4 Signal Channels,
section 6.7.4 Signal Channels,
section 6.7.4 Signal Channels,
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