Gas Tracer Operator’s Manual, CSA Version
Using Maintenance Mode • 127
5. Hold down the AIR
▲
button. The unit will prompt you to continue holding
the AIR
▲
button.
6. When the unit prompts you to release the AIR
▲
button, release it. The
instrument will perform a fresh air adjustment on the ppm sensor and return
you to the AIR CAL menu item.
Performing a PPM AUTO CAL
This section describes how to calibrate the PPM combustible gas sensor using
auto 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. Use the AIR
▲
or (SHIFT)
▼
buttons to display the AUTO CAL menu item.
5. Press and release the POWER ENTER button. The calibration value screen will
be displayed. If you want to exit back to the main menu without completing a
calibration, press and release the DISPLAY (ADJ) button.
6. The gas concentration displayed in the calibration value screen must match
the gas concentration listed on the calibration cylinder. If the concentration
matches, go to step 12. If the concentration does not match, continue with step
7.
AIr
CAL
MAINTENANCE
HOLD AIR
500
ppm
MAINTENANCE
CH
4
AUTO CAL