Diamond cut knurled knob
Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish.
Technopolymer. Moulded over the window.
Transparent polyamide based (PA-T) technopolymer (practically unbreakable).
Resistant to solvents, oils, greases and other chemical agents (avoid contact with alcohol during cleaning operations).
Natural matte anodised aluminium.
Clockwise (D) or anti-clockwise (S) graduation, black colour.
Black-oxide steel boss, H7 reamed blind hole, fitting to shaft by means of a supplied grub screw with hexagon socket and cup end UNI 5929-85.
The black pointer indicates the number of turns of the spindle from the start position (0); the red pointer indicates the fractions of turn.
Ballrace rotation: maximum reading accuracy.
The ultrasonic welding of the window to the case guarantees the complete sealing with IP 67 protection class, see EN 60529 table