Operating Manual PG11 / PGE11 Page 40
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