Electronic refinements for improved operation of portable industrial hygiene air sampling systems.
Almich-BP; Rubenzahl-MA; Carson-GA
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHEW (NIOSH) Publication No. 75-169, 1975 May; :1-30
Two electronic circuit developments are described for use in portable air sampling systems for industrial hygiene monitoring. The first development described is a motor speed controller, applicable to air moving systems involving a positive displacement pump. The second development involves the utilization of rapid charge batteries in the design of power packs for portable instruments.
NIOSH-Publication; Measurement-instrumentation; Sampling-equipment; Environmental-monitoring
NTIS Accession No.
DHEW (NIOSH) Publication No. 75-169
National Institute for Occupational Safety and Health