3M SPEEDGLAS SL - Manual (Page 178)

178
Technical Specification
Weight: 360 g (incl. welding shield)
Headband: Multiple adjusting possibilities
Head: Size 50–64 (two changeable forehead parts)
Shield: distance from face and angle adjustment.
Viewing area: 42 x 93 mm
UV/IR protection: According to shade number 12 (permanent)
Switching time light-dark: 0,1 ms (+23°C)
Opening time dark-light: Shade number 0 8: 0 60 ms
Shade number 0 9: 100 ms
Shade number 10: 150 ms
Shade number 11: 200 ms
Shade number 12: 250 ms
Light state: Shade number 3
Dark state: Shade number 8, 9, 10, 11 and 12
Off state: Shade number 3
Battery type: 2 x CR2032 (Lithium 3 Volt)