Pay in 4 interest-free payments of $43.50 Learn more
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
BS EN ISO 3923-1 specifies the funnel method for the determination of the apparent density of metallic powders under standardized conditions
Guide to the selection of switchgear and controlgear
the method is under development
IEC 61032:1990
Air quality. Guidelines for estimating measurement uncertainty Ingestion-build-61878 BS EN ISO 3923-1 specifies1 Scope This International Standard provides comprehensive guidance and specific statistical procedures for uncertainty estimation in air quality measurements including measurements of ambient air, stationary source emissions, indoor air, workplace atmospheres and meteorology. It applies the general recommendations of the Guide to the Expression of Uncertainty in Measurement (GUM) to boundary conditions met in air quality measurement. The boundary