title: Portable optical particle (0.06 microm) counter.
abstract: An improved portable optical counter, using a He-Ne laser with 8 mW output, measures particles ranging in size from 0.06 to 10 microm in diameter in situ.
authors.affiliation: Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo, 185, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Suda
authors.forename: T
authors.initials: T
authors.lastname: Handa