Flow; Tracking During Calibration - Teledyne 2120XL Operating Instructions Manual

Trace Nitrogen in Argon Analyzer
If instrument is turned off, the next time the instrument is powered,
the instrument will automatically perform a calibration cycle after 3
minutes of entering the sample mode if AUTO CAL functions were on
prior to shut down.
4.5.1.7 F
LOW
This function allows the user to set the flowrate through the flow
control valve. The first line of the display indicates the current flow
setting in ccm and can be manipulated using the ▲/▼ arrow keys. The
second line of the display is a read-only item that displays the live
sensor voltage within the flow control module.
To set or change the flow rate, press the SYSTEM key and use the
◄►arrow keys to position the blinking over the More function, and
press ENTER. A second screen of system function will appear. Use the
◄►arrow keys to position the blinking over the Flow function, and
press ENTER to enter the function. The following screen will appear:
The current flow rate (100) will be blinking and can be changed
using the ▲/▼ arrow keys. Press ENTER when the proper flow rate is
indicated on the display screen.
4.5.1.8 T D
RACKING URING
The user has the option of setting the preference as to whether the
analog outputs track the display readings during calibration or not. The
function can be toggled between Track or Hold in this function.
To set the preference, press the SYSTEM key and the first System
menu will appear in the VFD display. Use the ◄►arrow keys to
position the blinking over the More function, and press ENTER. A
second screen of system function will appear. Use the ◄►arrow keys to
position the blinking over the Track (or Hold) function, and toggle
between Track or Hold using the ▲/▼ arrow keys. Press ENTER when
the desired selection is indicated on the display screen.
If Hold is selected, the next function
period.
Teledyne Analytical Instruments
Flow: 100.0 ccm
Sens Vout: 300.0 mV
C
ALIBRATION
Calholdtimer
Operation
sets the hold
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