Technical specification – 3M SPEEDGLAS SL User 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)