DS DS/EN ISO 5801
DS DSEN SO 5801 2009-JAN-08 ndustral fans - Performance testng usng standardzed arways
DS DSEN SO 5801 2009-JAN-08 ndustral fans - Performance testng usng standardzed arways
This European Standard deals with the determination of the performance of industrial fans of all types except those designed solely for air circulation e.g. ceiling fans and table fans. Estimates of uncertainty of measurement are provided and rules for the conversion, within specified limits, of test results for changes in speed, gas handled and, in the case of model tests, size are given.