RKI Instruments Beacon 200 Rig Monitor, LEL/H2S - Manual (Page 42)

37 • Beacon 200 Rig Monitor Operator’s Manual
If you press the DOWN/NO button, the span of channel 1 will continue if
you selected it or if you did not select channel 1, the unit will return to
the first calibration program screen which asks if you want to continue
or escape from the Calibration Program.
3. If you pressed the UP/YES button for either channel, the display will
prompt you for the span gas concentration that will be used for the first
selected channel. The following instructions assume you pressed UP/
YES button for each channel.
4. Adjust the displayed concentration for channel 1 up or down as needed
using the UP/YES and DOWN/NO buttons so that it matches the
concentration in the calibration cylinder.
5. Press the ENTER button to accept the calibration gas concentration for
Channel 1 and continue.
6. The display will then prompt you for the span gas concentration that will
be used for channel 2. Adjust the displayed concentration up or down
as needed using the UP/YES and DOWN/NO buttons so that it matches
the concentration in the calibration cylinder.
7. Press the ENTER button to accept the calibration gas concentration for
Channel 2 and continue.
8. The unit will display the message Expose Dectector(s) To Gas. . .
When Done Press ENTER for a few seconds. It will then alternate
between the gas readings for both channels and the message
APPLYING GAS ENTER to ACCEPT ESCAPE to ABORT above
the time remaining in the calibration time-out.
9. Screw the calibration gas cylinder for the LEL detector onto the fixed
flow regulator.
NOTE: Be sure that you are using an appropriate calibration cylinder for
the channel you are calibrating.
10.Turn the regulator knob counterclockwise to open the regulator.
11.Allow calibration gas to flow for one minute.
12.Turn the regulator knob clockwise to close it. The Rig Monitor will
continue to display the maximum gas response on the display and
retain the response level in its memory.
13.Disconnect the sample tubing from the LEL detector. Unscrew the LEL
calibration gas cylinder from the regulator and screw the H
2
S calibration
gas cylinder onto the regulator.