Device for sampling breath air at the workplace

Details Device for sampling breath air at the workplace Device for sampling breath air at the workplace

1986-12-02

1989-04-04

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 81, 422100, 436132, 436900, 73864, 7386451, 7386482, 128719, 128730, 141 17, 141281, 141283, 141329, G01N 3314, G01N 3348

Patent

active

048184896

ABSTRACT:
A pocket instrument for sampling breath air in situ, includes a microprocessor-controlled directional control valve with needles at an outlet to which needle the sample vessels are attached. The directional control valve is arranged to be connected through another outlet to the atmosphere and to a collecting chamber respectively, which collecting chamber is provided with a feeding device for accommodating and delivering the breath air.

REFERENCES:
patent: 3661528 (1972-05-01), Falk
patent: 3764270 (1973-10-01), Collier et al.
patent: 3765402 (1973-10-01), Grabhorn
patent: 3822117 (1974-07-01), Bergh et al.
patent: 3853477 (1974-12-01), Block et al.
patent: 4041994 (1977-08-01), Horwitz et al.
patent: 4297871 (1981-11-01), Wright et al.
patent: 4346584 (1982-08-01), Boehringer

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