How To Perform Sensor Calibration/MFC Setup
Chapter Seven: Operation in Setup Mode
200
Mass Flow Controller
LEFT DISPLAY
CENTER DISPLAY
RIGHT DISPLAY
MAIN DISPLAY
This is the range of the mass flow controller (in sccm).
SETUP
SENSOR CAL
The number for the input
channel is entered here.
In this example, channel 4
is selected as the input
channel.
This displays the mode of
operation, SP for Set Point
(as here), to for Totaling,
rA for Ratio. The mode of
operation is editable with
code 17x.
The FC indicates
Flow Controller.
Figure 60: Sensor Calibration for Mass Flow Controllers
An MFC is indicated by the code FC in the right display. The three modes of operation for an
MFC are Set Point, Totaling and Ratio. The different modes are indicated by codes in the center
display: SP for the Set Point mode; to for the Totaling mode; and rA for the Ratio mode.
To change the mode of operation, refer to Code 17x: How To Set Up the MFC, page 241.
The only editable parameter in the MFC sensor calibration display is the range of the MFC.
Note
1. The range of the mass flow controller must be entered in sccm
(standard cubic centimeters per minute). You cannot change the units
to slm (standard liters per minute).
2. The mode of operation, displayed in the center display, cannot be
changed through this screen. Refer to Code 17x: How To Set Up the
MFC, page 241, to change the operating mode.
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