| Document ID (ISN) | 31438 |
| CIS number |
79-991 |
| Year |
1978 |
| Convention or series no. |
|
| Author(s) |
GOST 12.4.051-78, State Standards Committee (Gosudarstvennyj komitet po standartam), Moskva, 8 June 1978. |
| Title |
Personal hearing protection - General technical conditions |
| Original title |
Sredstva individual'noj zaščity organa sluha - Obščie tehničeskie uslovija [in Russian] |
| Bibliographic information |
Izdatel'stvo standartov, Novopresnenskij per. 3, Moskva D-557, USSR, 1978. 6p. Price: Rbl.0.03. |
| Abstract |
This standard, effective 1 Jan. 1979, applies to earmuffs, earplugs and acoustic helmets. Contents: classification; technical requirements for equipment of this type (mass, adherence strength, approval of materials used in manufacture (which should not harm the skin), possibility of adjustment to head measurements, etc.); standardised patterns and models; rules for taking delivery, periodic checks and compliance testing; test methods (at least 5 normal subjects for each type of protector; adjustment and fitting of personal hearing protection for a noise level of 70dB(A); pure tone binaural audiometry at 7 frequencies from 125 to 8,000Hz; standard data for soundproof room and audiometry unit, etc.); marking and packaging; rules for guidance in the selection of personal hearing protection; manufacturer's guarantee. |
| Descriptors (primary) |
hearing protection; personal protective equipment; USSR |
| Descriptors (secondary) |
sound attenuation; earplugs; earmuffs; acoustic helmets; compliance tests; audiometric tests; design of equipment; equipment testing; standard; hearing conservation; marking |
| Document type |
F - Information notes, codes of practice, standards |
| Subject(s) |
Noise, hearing and vibration
|
| Broad subject area(s) |
|
| Browse category(ies) |
Hearing protection
Personal protection
|
