RKI Instruments Gas Tracer 10,000 ppm - Manual (Page 116)

109 • Calibrating and Bump Testing the PPM Combustible Sensor 10,000 ppm Gas
5. Before proceeding, confirm that the bump test gas value is the
same as the concentration in the calibration cylinder. If it is not,
adjust the bump test gas value by entering the AUTO CAL menu
item, changing the value there, and reentering the BUMP menu.
6. Connect the humidifier from the gas bag to the rigid tube on the
probe and quickly press and release the POWER ENTER button.
The unit will begin counting down from 30.
7. When AUTO CAL in the BUMP--SET menu item in Maintenance
Mode is set to OFF:
• The instrument will display if the ppm combustible sensor
passed or failed with a P (pass) or an F (fail) to the right of the
gas.
• To view the bump test gas reading press the AIR▲ or (SHIFT)▼
button. You can scroll between the bump test results and the
bump test gas reading with the AIR▲ or (SHIFT)▼ buttons.
P
ppm
MAINTENANCE
CH 4
BUMP
1000
ppm
MAINTENANCE
CH
4
BUMP