Sampler

25304

New Brunswick Scientific STA-203

Detect airborne microorganism contamination in a variety of environments such as hospitals, pharmaceutical, food, and cosmetics laboratories with the New Brunswick STA-203 air sampler. Any contaminants are impacted on the agar surface and after the plate is incubated, the colonies can be counted and identified. Principal: a known volume of air is drawn by a vacuum through a slit orifice, since a pressure drop occurs across the orifice, the sampled air with its entrained contaminants is accelerated to a higher velocity. The minute the contaminants, because of their heavier mass, are impacted onto the surface of the agar on the sampling plate. The air then continues its passage through the device into the flow meter, where the flow rate is measured. The air sample then enters the vacuum pump and is exhausted to the room. After incubation of the agar plate, colonies can be counted and evaluated. The STA-203 is intended for use with customer supplied vacuum source (available separately) capable of at least 2.2 cu. ft. of air/minute at 15" vacuum. Equipped with a clock timer which can be manually set to initiate and regulate sampling time.

Used

115 Volts, 60 Hz, 0.5A

2

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