Page 18 of 43
Operating Manual
www.qedenv.com
SEM5000.002
© QED Environmental Systems Inc.
SEM5000 Surface Emissions Monitor
Air Test 3
•
Connect the tubing from the gas regulator for the zero air calibration gas to the
sample inlet of the SEM5000
•
Press the Function, (F) button
•
The pump will start and the display will begin to count down as the zero air is drawn
into the SEM5000
•
Once the reading has stabilized on the display, (this will take approximately 20 to 30
seconds), press the Function button again to stop the pump and complete Air Test 3
•
Once you stop the pump to complete Air Test 3, the screen will display the
instructions, “Press F to start Gas 3”
Gas Test 3
•
Disconnect the zero air tube from the sample inlet of the SEM5000 and connect the
tubing from the gas regulator to the methane calibration gas to the sample inlet of
the SEM5000
•
Press the Function, (F) button
•
The sample concentration display will count up to the highest reading as it samples
the bottled gas
•
The gas test is timed and will continue for twenty seconds. The remaining time is
displayed above the sample concentration level
