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64 301C User Manual M-510324
Honeywell 7/10
System Programming
Network Menu
10. Press Enter to confirm or Esc to cancel. If confirmed, the controller
calibrates the sensor’s Zero. This takes only a few moments and
the display returns to the default calibration screen.
Note: Never calibrate any unit’s Zero with ambient air. Always use
Nitrogen (N
2
) at the calibration port to calibrate the Zero.
11. To calibrate the device, scroll to Set Span** and change the span
gas calibration value using this procedure;
a. Using the right arrow, move the cursor to xxx PPM (span
value field). Press Enter to select the field (it is editable when
flashing).
b. Use the up or down arrows to increase or decrease the
value, press Enter to validate the new value.
c. Move the cursor back to Set Span and press Enter to start
the calibration.
The device Span is being calibrated. The screen will display the
device’s status as “In calib...” until the calibration is complete.
**When selecting Set Span, make sure that the device has been
supplied with the appropriate calibration gas before and during the
calibration process.
Calib 001 : 301D2
Status : Normal
Set Zero
Set Span 2.60 ppm
Calib 001 : 301D2
Status : In calib...
Set Zero
Set Span 2.60 ppm