French System

From BME Encyclopedia
Revision as of 00:44, 20 April 2006 by Redrazors (Talk)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

The sizing system used for sounds (and other things).

The French (Fr) sizing system is commonly used for sounds and some other medical equipment. One Fr unit is 0.33mm (or about 3/256 inch) -- a starter sound of 18 Fr about 6mm (or just under 1/4 inch).