Dear Customer
Our Customer Service will be available again as of 2 January 2025.
Please note that new registrations and requests to be processed manually will only be processed from this point onwards.
You can of course place orders and receive downloads online at any time.
We wish you happy holidays, a peaceful time and a healthy New Year!
Your DIN Media
Standard [CURRENT]
Product information on this site:
Quick delivery via download or delivery service
All transactions are encrypted
This standard applies to formula symbols and units of size which occur frequently in particle size analysis. The aim is to unify the use of formula symbols in standards and other literature. Revision 2009 establishes conformity to DIN ISO 9276-1, DIN ISO 9276-2, DIN ISO 9276-4 and DIN ISO 13321. The Committee responsible for this standard is NA 005-11-45 AA "Partikelmesstechnik (Sp ISO/TC 24/SC 4") ("Particle measurement (Mirror Committee to ISO/TC 24/SC 4)") at DIN.
This document replaces DIN 66161:1985-12 .