![]() ![]() British and European models available.Īir Flow Indicator: Venturi mounted rotometer.Īir Mover/Motor: Self-adjusting carbon vane type. Power Requirement/Cable: 115V, 60Hz, 4.6 Amps, 230V 50Hz 2.3 Amps, three wire cord’ six feet 10 Amp rating. By setting this timer to zero at the start of each sample period, an accurate sample volume may be readily calculated. An internal air filtering system has been installed between the regulator valve and the pump to prevent particulates from reaching the self-adjusting carbon vanes and causing excess wear.Ī re-settable elapsed time meter is provided on the instrument panel. The Model FSHD-29A can be used with various diameter filters and charcoal cartridges used for the collection of airborne contaminants. The controlled flow rate is observed on the handle-mounted rotometer and is adjustable from 0.5 to 3.5 CFM. Its vacuum pump and constant air flow regulator combination permits the collection of an air particulate sample at a constant flow rate until the ?P across the filter paper exceeds the capability of the pump at that flow rate. The Model FSHD-29A is a mobile “K-Flow” lightweight, constant flow air sampler designed for use in facilities where the collection of precise air samples is required on a continuous or semi-continuous basis. All units individually calibrated and traceable to NIST.Unit mounted on wheels for easy movement.Elapsed time meter and constant air flow rate permits calculation of accurate sample volume. ![]() Telescoping sampling gooseneck permits easy adjustment to breathing zone levels.Constant airflow maintained with a ?p across the filter of up to 17” of mecury (flow rate dependent).FSHD-29A “Goose Neck” Breathing-Zone Air Sampler
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