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User's manual – Ver. 1.53 July 2015 30/75
is leak-proof. If not using a size selective inlet, please make sure to keep the end of the tubing
inverted so rain cannot enter. A funnel on the sampling end of the inverted sample line tubing
with the opening covered by a mesh screen is recommended. Alternatively, the optional insect
screen can be installed near the sampling end of the tubing. The inlet should be unobstructed,
securely fixed and placed at an appropriate distance from the roof or walls of the station.
Please consult the appropriate national and international technical standards for particulate
matter sampling and analysis for details.
4.3 Switching the Aethalometer on
Connect instrument to AC power and turn on. The instrument has two power-on switches –
one on the rear panel and another on the front inside the door on the right (Figure 8).
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