Smoke density measuring apparatus

G - Physics – 01 – N

Patent

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Details

73/104, 73/97

G01N 1/14 (2006.01) G01N 1/24 (2006.01) G01N 7/02 (2006.01) G01N 15/06 (2006.01)

Patent

CA 1047793

ABSTRACT OF THE DISCLOSURE: The invention relates to an automatic apparatus for determining the smoke density, characterized in that it comprises a programmer, a sampling pump having a uniform rectilinear motion by means of a geared motor, an electric valve automatically operated by said programmer for the discharge of the gases of said pump, a filter holder with geared motor for feeding auto- matically the filtering paper, an automatic beta-rays reading device and/or a decimal convertor for giving directly the smoke density value with significant decimals. The main characteristics of said apparatus are a constant volume of the gases sucked by the pump and a constant and automatic clamping of the filter used.

227320

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