RKI Instruments Gas Tracer - Manual (Page 156)

148 • Using Maintenance Mode Gas Tracer Operator’s Manual
• 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.
11.Unscrew the demand flow regulator from the calibration cylinder.
12.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 in Calibration Mode.
13.Use the (SHIFT)▼ button to navigate to the NORMAL menu item,
then press and release the POWER ENTER button to return to
Measuring Mode.
Turning the Lunch Break Setting On or Off
With LNCH BRK set to OFF (factory setting), the Gas Tracer
automatically starts new TWA and PEAK reading collection and
resets the time in operation at startup.
With LNCH BRK set to ON, the Resume Measurements Screen
displays during startup. From this screen, you can choose to continue
accumulating TWA and PEAK readings and the time in operation
from the last time the Gas Tracer was used or start collecting new
950
ppm
MAINTENANCE
CH
4
/CAL
MAINTENANCE
BUMP