RKI Instruments Gas Tracer - Manual (Page 207)

Gas Tracer Operator’s Manual Calibrating the Gas Tracer • 199
6. To adjust the values on the screen, hold down the (SHIFT)▼ button,
then press the DISPLAY(ADJ) button and release both. The %LEL
sensor is shown.
7. Use the AIR▲ and (SHIFT)▼ buttons to scroll through the sensors
and select the sensor whose calibration gas value you want to
adjust.
8. Press and release the POWER ENTER button. The sensor’s
calibration gas value will flash.
9. If necessary, use the AIR▲ and (SHIFT)▼ buttons to set the correct
calibration gas value.
10.Press and release the POWER ENTER button to save the change.
11.Repeat steps 7 though 10 to set the correct values for any additional
sensors.
12.After the last calibration gas value is set, use the AIR▲ button to
scroll to ESCAPE and press POWER ENTER to return to the
calibration gas values screens.
NOTE: The RKI Three Gas Cylinder typically contains 12% O
2
by
volume. Be sure to set the “OXY” reading to agree with the
concentration listed on the cylinder’s label, not zero.
13.Use the AIR▲ and (SHIFT)▼ button to select which sensor(s) you
want to calibrate, the standard 3 sensors or the %volume
combustible gas sensor.
The following instructions illustrate calibrating the standard 3
sensors first, then the %volume combustible gas sensor.
- - -
%LEL
MAINTENANCE
CH
4
AUTO CAL