This Standard specifies purity classes of compressed air with respect to particles,water and oil,independent of the location in the compressed air system at which the air is specified or measured.
JIS B 8392-1:2012 Referenced Document
JIS B 8391-1 Compressed-air dryers -- Part 1: Specifications and testing
JIS B 8392-2 Compressed air -- Contaminant measurement -- Part 2: Oil aerosol content*， 2022-08-22 Update
JIS B 8392-3 Compressed air -- Part 3: Test methods for measurement of humidity
JIS B 8392-4 Compressed air -- Part 4: Test methods for solid particle content
JIS B 8392-5 Compressed air -- Part 5: Test methods for oil vapour and organic solvent content
JIS B 8392-6 Compressed air -- Part 6: Test methods for gaseous contaminant content
JIS B 8392-7 Compressed air -- Part 7: Test method for viable microbiological contaminant content
JIS B 8392-8 Compressed air -- Part 8: Test methods for solid particle content by mass concentration
JIS B 8392-9 Compressed air -- Part 9: Test methods for liquid water content by mass concentration
JIS B 8392-1:2012 history
2012JIS B 8392-1:2012 Compressed air.Part 1: Contaminants and purity classes
2003JIS B 8392-1:2003 Compressed air -- Part 1: Contaminants and purity classes
2000JIS B 8392-1:2000 Compressed air for general use -- Part 1: Contaminants and quality classes