Measuring and testing – Gas analysis – By vibration
Reexamination Certificate
2007-08-07
2007-08-07
Noland, Thomas P. (Department: 2856)
Measuring and testing
Gas analysis
By vibration
C073S028010, C073S028040
Reexamination Certificate
active
10989035
ABSTRACT:
There is provided apparatus for the measurement of particle mass concentration of an aerosol and which comprises at least one aerosol inlet and at least one electrostatic precipitator which directs an aerosol flow towards a mass sensor on which the particles are collected, the sensor being housed in a magazine including a plurality of other sensors, each of which may be substituted for the sensor, and a control. The control selectively connects one of the at least one aerosol inlet with one of the sensors.
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Noland Thomas P.
Sensors, Inc.
Van Dyke Gardner, Linn & Burkhart, LLP
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