Symbol 0854 from ISO 7000 - Title/Meaning: Control of «up slope» time 
Function/description: To identify the device on resistance welding equipment by which marking the unit for controlling up slope time is possible.
Own work using: iso.org/obp/graphics/grs/7d63a644-1cf2-400e-bef2-066fdd9a52b6 200.png
Vectorization:  Mrmw