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Evaluation of Intrinsically Safe Instruments and Apparatus for Use in Underground Coal Mines.

Authors
Kurtz-JM; Bartkus-AA; Schram-PJ
Source
For Reference Only At Bureau Libraries :479 pages
Link
NIOSHTIC No.
10002149
Abstract
Ten methane monitoring systems and machine control circuits were examined and tested according to the requirements in cfr title 30, parts 17 and 27, the standard ul 913, and the document "test requirements for instruments or apparatus to be considered for m.E.S.A. Intrinsically safe certification (tentative)." The test results indicate that none of the products complied with all parts of all requirements as interpreted.
Publication Date
19800101
Document Type
CP; Final Contract Report;
Fiscal Year
1980
NTIS Accession No.
NTIS Price
Identifying No.
OFR 88-81
NIOSH Division
PRC;
Source Name
For Reference Only At Bureau Libraries
Performing Organization
Underwriters Labs., Inc.
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