Symbol 5669 from IEC 60417 - Title/Meaning: Scintillation counter Function/description: To indicate a reference to a scintillation counter or another detector for ionizing radiation, for example on nuclear medicine equipment.
Additional information: 
Published in: New edition, 1998,3C/360/FDIS,3C/283/CDV (62A/171/CDV)
Own work using: iso.org/obp/graphics/grs/3d2af58c-37b6-46d5-a897-8defa4ab4655 200.png
Vectorization:  Mrmw