RKI Instruments Gas Tracer - Manual (Page 92)

84 • Calibration Mode Gas Tracer Operator’s Manual
18.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.
19.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 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 and press and release the POWER
ENTER button.
5. You will be prompted to choose between WET and DRY. Use the
WET setting.
NOTE: The DRY setting in ONE CAL is for factory use only. Do not
perform a calibration in ONE 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 gas reading will
be replaced by 3 dashes.
- - -
ppm
MAINTENANCE
CH
4
ONE CAL