产品描述：
3M Speedglas? 9100 Automatic Welding Shields
Exclusive patented shade 5 filters that widen your field of vision. Optional side windows. Auto-darkening welding filter with superior optical performance enables constant, comfortable vision. Ultraviolet (UV) and infrared (IR) radiation protection at all times, in all states. Heat reflecting silver front and increased coverage for lower neck. Choice of 3 models: 9100V, 9100X and 9100XX.
Speedglas 9100XX Shield
Technical Data:
Approvals Eye protection: Conforms to EN 379.
Classification: 1/1/1/2.
Switching time, light-dark: 0.1 ms (plus 23C).
Delay (Switching time dark-light): 40-1300ms (Adjustable).
UV/IR protection: Shade 13 (permanent).
Light/Dark state: Shade 3/Shade 5, 8, 9-13 (variable).
Fail-safe state: Shade 5.
Viewing Area: 73 x 107mm.
Solar Cell: No.