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Standard ČSN ISO 4412-2 1.8.1995 preview

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ČSN ISO 4412-2 (119011)

Hydraulic fluid power. Test code for determination of airborne noise levels. Part 2: Motors



STANDARD published on 1.8.1995


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The information about the standard:

Designation standards: ČSN ISO 4412-2
Classification mark: 119011
Catalog number: 17671
Publication date standards: 1.8.1995
SKU: NS-179121
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Noise emitted by machines and equipmentPumps and motors

Annotation of standard text ČSN ISO 4412-2 (119011):

Tato část normy ČSN ISO 4412 stanovuje zkušební postupy založené na ISO 2204 pro určení hladin akustického výkonu hydromotorů za vymezených podmínek instalace a provozu, které jsou vhodným základem pro srovnání hladin hluku hydromotorů. K tomu se užívají - hladiny akustického výkonu A, - hladiny akustického výkonu v oktávových pásmech. Pokud je to požadováno, mohou být pro účely uvádění ve zprávách z těchto hladin akustického výkonu vypočteny podle přílohy A hladiny akustického tlaku v referenční vzdálenosti od hydromotoru. Uvažovaný frekvenční rozsah užitý pro obecné účely zahrnuje oktávová pásma se středními frekvencemi od 125 do 8 000 Hz. Vzhledem k vlastním problémům při měření výkonu hydromotorů s nízkými otáčkami, je tato část ČSN ISO 4412 omezena na hydromotory pracující s otáčkami přesahujícími hodnotu 50 1/min. Směrnice pro aplikaci této části ČSN ISO 4412 jsou v příloze C. Tato část ČSN ISO 4412 je použitelná pro všechny typy hydromotorů pracujících za ustálených podmínek bez ohledu na rozměr s vyjímkou omezení, která jsou dána rozměry zkušebního prostředí (viz kapitola 5)

Preview of the standard ČSN ISO 4412-2 (119011)

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