3M SPEEDGLAS SL - Page 73

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Technical Specication
Weight: 375 g (incl. welding lter)
Head sizes: 50-64 cm
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 08: 060 ms
Shade number 09: 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)