声级计 标准查询与下载

CSN 35 6870-1982 声级计

Schválení ST SEV 1351-78 doporu?ilo federální ministerstvo v?eobecného strojírenství Zpracovatel a oborové normaliza?ní st?edisko: Tesla, Brno, k.p

Sound level meters

DS/IEC 651:1981 声级计

Sound level meters

NF S31-009:1994 声级计

Sound level meters.

SANS 656:2008 声级计

Describes instruments (sound level meters) for the measurement of certain frequency-weighted and time-weighted sound pressure levels

Sound level meters

KS C 1502-2001 声级计

이 규격은 주파수와 시간에 대하여 가중 평균한 음압 레벨을 측정하는 소음계에 대하여 규정한

Sound level meters

KS C 1502-2001(2012 声级计

Sound level meters

KS C 1502-1992 声级计

This Korean Industrial Standard specifies sound level meters for measuring the sound level of general noise

Sound level meters

KS C 1502-1982 声级计

Sound level meters

IEC 60651:1979 声级计

Sound level meters

CSN IEC 651:1994 声级计

Zpracovatel: J.E.S. Praha, ICO 12494372, Ing. Zdeněk Jandák, CSc. Pracovník ?eského normaliza?ního institutu: Ing. Ji?í ?plíchal

Sound level meters

GSO OIML R 58:2007 声级计

This Recommendation deals with sound level meters, i.e. instruments for the measurement of frequency and time weighted sound pressure levels

SOUND LEVEL METERS

IEC 60651:1979+AMD1:1993+AMD2:2000 CSV 声级计

Deals with sound level meters of four degrees of precision, designated Types 0, 1, 2 and 3. Specifies the following characteristics: directional

Sound level meters

CSA Z107.1-1973 声级计

Sound level meters

JUS N.R6.032-1982 精密声级计

Precision sound kvel meters

UNE 21354:1976 精密声级计

PRECISION SOUND LEVEL METERS.