RKI Instruments Gas Tracer - Manual (Page 233)

Gas Tracer Operator’s ManualCalibrating and Bump Testing the PPM Combustible Sensor
• To return to the BUMP screen in PPM CAL, press POWER
ENTER at any time. If the sensor fails calibration, the buzzer
will sound a double pulsing tone until you press and release
the POWER ENTER button.
• Disconnect the humidifier from the probe.
NOTE: Grasp the humidifier tube assembly by the clear tubing at the
end, not the humidifier tube itself.
9. 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.
10.Use the (SHIFT)▼ button to navigate to the NORMAL menu item,
then press and release the POWER ENTER button to return to
Measuring Mode.
950
ppm
MAINTENANCE
CH
4
/CAL
MAINTENANCE
BUMP