Types

• Type W: Figures horizontally arranged (figure sequences L, M, R)
• Type S: Figures vertically arranged (figure sequences U, M, O)

Identification no.

• No. 1: With mounting holes Ø 3.3

Aluminum AL

• Anodized, natural color
• Black imprint
• Numbers and scale etched, i.e. aluminum colored
• Imprint resistant to weak acids and lye solutions, and against solvents in the event of brief contact