3-1
CHAPTER 3
Setting Up the
Atomizer
Use the information in this chapter to properly set up the
Model 3076 Constant Output Atomizer. This chapter contains
information and procedures on:
Meeting clean air requirements
Selecting and preparing the aerosol solution
Setting up and modifying the Model 3076 Atomizer
Meeting Clean Air Requirements
The Model 3076 Atomizer requires a source of clean, dry air at a
flow rate of at least 3.0–3.5 standard liters per minute (standard
L/min) at no more than 240 kilopascals gauge [35 psig]. If you use
ordinary shop air, it must be properly dried, filtered, and regulated.
Figures 3-1 and 3-5 show the Atomizer using the recommended TSI
Model 3074B Filtered Air Supply.
The Model 3076 Constant Output Atomizer is designed to release
aerosol to a system that is at atmospheric pressure. Therefore, the
pressure at the outlet of the Atomizer should be maintained close to
atmospheric pressure (below 10 psig).
!
WARNING
Do not operate the Atomizer with an outlet pressure exceeding 10 psig in a
closed system. Operating the Atomizer with an outlet pressure greater than
10 psig may result in damage to the plastic-coated glass bottle, which can shatter
and cause serious personal injury. The atomizer is equipped with a pressure
relief safety valve that releases pressures above 10 psig from within the bottle.
Never block the outlet of this valve or remove the valve from the bottle cap.
For most applications, set the filtered air pressure at or below
35 psig. The performance of a similar Atomizer at various pressure
settings has been described by May [2] in Appendix C. Note that the
size distribution of the droplets is not significantly affected.
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