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12
Maintenance
Gas Sample Port
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The gas sample port is located behind the Preparation Chamber. The Gas Sample Port is connected
directly to the gas-mixing chamber.
1.
Connect a length of tubing to the gas analyser input.
2.
Connect the coupler (K59688) from the supplied accessories to the tubing.
3.
Remove the protection cap from the sample port.
4.
Connect the coupling to the sample port.
5.
Collect the gas sample using the gas analyser.
6.
Stop the gas analyser pump.
7.
Record the gas concentration reading.
8.
Disconnect the coupling from the sample port.
9.
Replace the protection cap.
If calibration is needed, adjust the value on the calibration, wait for the gas to stabilise and re-test.
After calibration the gas flow to the Preparation Chamber can now be switched back on. (See page
29).