MAGEE Scientific Aethalometer AE33 User Manual page 75

Aethalometer
Model AE33
4. When ready, press "OK".
5. The instrument will now start with the test.
6. The test will automatically stop after 20 minutes.
IMPORTANT: if you want the instrument to automatically proceed with BC measurements
after the Stability Test, please be sure to check the box "continue after test" before starting.
7. The Stability test procedure report will be generated and shown on the screen. A separate
report will be generated and saved on the CF card for later download.
8. The test result is acceptable if the value of PPBC* on Spot1 is lower than 450 ng/m3 for
Channel 6. If the reported value of PPBC on Spot 1 is larger than this value, inspect and clean
the optical chamber. If the problem persists, contact Magee Scientific, Aerosol or your
authorized distributor.
*Point to point variation of BC (PPBC) at 1 s timebase: �������� =
9. Confirm completion of the test by pressing "OK".
The 'Average BC' values should be close to zero (less than +/- 100) if the Aethalometer is
warmed up and stabilized for at least one hour.
____________________________________________________________________________________________________________
User's manual – Ver. 1.55
��
1
∑
��=0
��
July 2017
������ ( ���� ( �� ) − ����(��
��+1
75/146
) )
��