RKI Instruments Gas Tracer 10,000 ppm - Manual (Page 48)

41 • Calibration Mode 10,000 ppm Gas Tracer Operator’s Manual
sensor and return you to the AIR CAL menu item.
10.Disconnect the tubing from the probe.
11.Unscrew the demand flow regulator from the calibration cylinder.
Performing an 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. To calibrate the ppm sensor using auto calibration, use the AIR▲
button to scroll to AUTO CAL and press and release the POWER
ENTER button. If you want to exit back to the main menu without
completing a calibration, press and release the DISPLAY (ADJ)
button.
5. You will be prompted to choose between WET and DRY. Use the
WET setting.
NOTE: The DRY setting in AUTO CAL is for factory use only. Do not
perform a calibration in AUTO CAL using the DRY setting.
6. Use the AIR▲ or (SHIFT)▼ buttons to display the WET setting and
press and release the POWER ENTER button. The calibration value
screen will be displayed.
7. 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 13. If the concentration
does not match, continue with step 8.
1000
ppm
MAINTENANCE
CH
4
AUTO CAL