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Document ID (ISN)58367
CIS number 92-1342
ISBN(s) 3-89429-034-X
Year 1990
Convention or series no. Fb 481-2
Author(s) Feierfeil P.J., Schaffert E.
Bundesanstalt für Arbeitsschutz
Title Noise emissions by office and information processing equipment - Personal computers (networks) and printers
Original title Geräuschemission von Geräten der Büro- und Informationstechnik - Arbeitsplatzcomputer (Mehrplatzsysteme) und zugehörige Druckeinrichtungen [in German]
Bibliographic information Wirtschaftsverlag NW, Postfach 10 11 10, Am Alten Hafen 113-115, D-W-2850 Bremerhaven 1, Germany, 1990. 63p. Illus. 6 ref. Price: DEM 14.00.
Abstract This report describes the results of investigations into the determination of the noise levels of computer and business equipment; computers (multi-user systems) and related printing devices. Noise emission levels were determined for 9 different computers from 6 manufacturers and 13 printing devices under standard conditions. The results, especially in relation to the mode of operation and design details of a keying robot, were incorporated in the national standard DIN 45 635 Part 19 and into a European manufacturers' agreement (ECMA standard 74). The investigations revealed that the main noise sources in computers are the mechanical components, such as the streamer and diskette drives, and the fans of the central processing units. On average, noise level of printer and PC in an office are estimated at 56dB(A) compared to 65dB(A) in the case of a typewriter. Noise emission reductions of up to 10dB are achievable by improving the thermal design of the computers and selecting slow-running fans. Summaries in English, French, German.
Descriptors (primary) noise level; offices; exposure evaluation; computers; office equipment; computer terminals
Descriptors (secondary) noise level measurement; report
Document type E - Books, reports, proceedings
Country / State or ProvinceGermany
Subject(s) Noise, hearing and vibration
Broad subject area(s) Physical hazards
Browse category(ies) Exposure evaluation
Office work
Visual display terminals (VDTs)
Noise