NEN EN 12919:1999被替代
Workplace Atmospheres - Pumps For The Sampling Of Chemical Agents With A Volume Flow Rate Of Over 5 L/min - Requirements And Test Methods
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines performance requirements for pumps used within the scope of measuring methods for the determination of the concentration of chemical agents in the workplace environment. For pumps with nominal volumetric flow rates within the range from 51 to 400 litres/min. Applies to electrically driven pumps and air movers which induce air flow with the aid of another mechanism. Covers pumps built into sampling apparatus, pumps which are attached to a person, stationary or connected to a sampler by means of tubing during sampling.
SS EN 12919 Ed. 1 (1999) - Identical
UNE EN 12919:2000 - Identical
NS EN 12919 Ed. 1 (1999) - Identical
I.S. EN 12919:2000 - Identical
UNI EN 12919:2001 - Identical
NF EN 12919:1999 - Identical
NBN EN 12919:2000 - Identical
ONORM EN 12919:1999 - Identical
DIN EN 12919 (1999-10) - Identical
BS EN 12919:1999 - Identical
SN EN 12919:1999 - Identical
