Outdoor Air Sampling

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Air Quality Awareness Week and Optimizing the Indoor Environment

Since 2007, Air Quality Awareness Week (AQAW) has been recognized throughout the United States. This year, AQAW took place from May 1st to the 5th and the theme was Working Together for Clean Air. The annual event is supported by AirNow - the home ...

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Two Stage Centrifugal Fan Type Brushed Blower

This unit is built around a two stage centrifugal fan type brushed blower. The tangential discharge exhaust allows a higher maximum flow rate than other similar types of units. To reduce motor winding burn out, the HVP-2000 has a separate motor cooling fan. Brush-life will range between 600 to 1,000 hours depending on sampling mo- tor speed. Motor brushes can be changed in the field within 15 to ...