Symbol 0034 from ISO 7000 - Title/Meaning: Temperature Function/description: To indicate temperature or function associated with temperature (for example, temperature indication, temperature monitoring points).
Additional information: 
The unit of measurement, for example ""C°"", may be a dded to symbol.
Own work using: iso.org/obp/graphics/grs/5bf03c3e-2a63-4483-9699-79f846aa1176 200.png
Vectorization:  Mrmw