Electronic refinements for improved operation of portable industrial hygiene air sampling systems.
Almich-BP; Rubenzahl-MA; Carson-GA
NIOSH 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