12 Product coding and Ordering information
Commercial codes for products are made by various main elements that each are separated
with a hyphen in the following way:
1. Product family, alphanumeric text string with variable length (e.g. "PG11")
2. Gas type, two letters (each combination represents one unique, several different or
one unique with immunity to one or several)
3. Scale, two digits
4. Certification, one letter
Connection variant, one letter
5. Variant, four digits for future use
Document 022-80036-OM Revision R03 Page 44 of 48