DPI 740 User Manual 51
K0200 Issue No. 1
Calibration commands
C - User Calibration
This command allows the user to perform a two point
calibration on the output of the device. The calibration routine
requires two pressures to be applied within the operating
extremes. The software calculates an offset and gain
correction to all subsequent readings.
Command: CT - Specify calibration type
Format: CT= <cal type>
Description: Specify the type of calibration to be
performed. The instrument must be in
calibration mode before this command
becomes valid.
<cal type> = 1 two point matching calibration
Example: CT=1
perform two point matching calibration
Query: A query of this parameter CT? returns the
type of calibration in progress.
CT? query calibration type
Reply: CT = 1
The instrument is now ready for the application of calibration
pressure, both the calibration points must be entered to
complete the procedure. When the pressure stabilizes, the
instrument must be sent the applied value in the currently
selected units, using the CP command.
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