4. Connect the appropriate calibration gas to the instrument.
5. Attach the calibration cap to the instrument.
a. Connect one end of the tubing to the calibration cap.
b. Connect other end of tubing to the cylinder regulator (supplied
in the calibration kit).
c. Ensure that "TOP" and "↑" on the calibration cap are oriented
so that "TOP" is positioned at the top of the instrument.
6. Open the valve on the regulator.
7. Push the ON-OFF button to calibrate (span) the instrument.
• CAL SPAN flashes for approximately 90 seconds.
• If autocalibration sequence passes, the instrument beeps three
times and returns to the Measure mode.
NOTE: To skip calibration and return to the Measure mode,
Figure 4-3. CAL Flag
Figure 4-2. Zero Flag
4-4
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