80 • Calibration Mode
Gas Tracer Operator’s Manual, CSA Version
14. Press and release the POWER ENTER button to set the calibration to the
programmed values.
If the ppm sensor passed calibration, PASS displays along the bottom of the
screen, then the AUTO CAL menu item displays.
If the ppm sensor cannot calibrate to the proper value, FAIL displays along the
bottom of the screen and the Gas Tracer indicates that the ppm sensor failed to
calibrate.
The buzzer and alarm lights activate. Press and release the RESET SILENCE
button after the buzzer and lights stop to reset the alarm and return to the
AUTO CAL menu item. Attempt to calibrate again. If the failure continues,
investigate the cause. See “Troubleshooting” on page 159.
15. Disconnect the humidifier from the probe.
NOTE:
Grasp the humidifier tube assembly by the clear tubing at the end, not
the humidifier tube itself.
16. Unscrew the demand flow regulator from the calibration cylinder.
17. Use the (SHIFT)
▼
button to navigate to the ESCAPE menu item, then press
and release the POWER ENTER button to return to the PPM CAL menu item
in Calibration Mode.
18. Use the (SHIFT)
▼
button to navigate to the NORMAL menu item, then press
and release the POWER ENTER button to return to Measuring Mode.
Performing a PPM Single Calibration
This section describes how to calibrate the PPM combustible gas sensor using
single calibration.
1. Install the demand flow regulator onto the calibration cylinder.
2. Connect the humidifier to the demand flow regulator.
3. Install the hose and probe to the Gas Tracer.
4. To calibrate the ppm sensor using single calibration, use the AIR
▲
button to
scroll to ONE CAL.
ppm
MAINTENANCE
CH
4
FAIL
