Anesthetic tank of a Anästhesiemitteldosierers

The anesthetic agent tank (1) of a Anasthesiemitteldosierers used in particular for Desflurane of operational safety with respect to substantially improved by complementary means for monitoring the level, wherein the anesthetic agent tank (1) having mounted in or on the outer wall of filling tube (3) with a connecting line (6) into the is equipped with interior as well as an optical liquid level sensor (4) and wherein the optical axis (5) of the level sensor (4) is flush with a mark (33) on the level pipe (3).