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Three Bureau of Mines Optical Dust Probes.

Authors
Cashdollar-KL; Liebman-I; Conti-RS
Source
MISSING :26 pages
Link
NIOSHTIC No.
10002034
Abstract
This report describes three types of optical dust probes that have been designed, built, and tested by the Bureau of Mines. Each of the probes measures dust cloud concentrations by the attenuation of light. The first is a single-path-length probe, the second is a double-path-length probe, and the third is a single-path-length probe that employs jets of air to keep the windows of the light source and detector free from dust coating. The theory of operation and the calibration procedures for each of the probes are described. The results of the Bureau's laboratory, mine, and field tests of the probes are also reported.
Publication Date
19810101
Document Type
IH; Report of Investigations
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
RI 8542
NIOSH Division
PRC;
Source Name
MISSING
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