Resanta MS-1A Optimal Welding Helmet

Weight: 0.5 kg Low Battery Indicator: No Power Supply (Battery): Solar & CR2032 (3V) Infrared (IR) Transmittance: ≤0.003% at λ from 780nm to 1300nm; ≤0.009% at λ from 1300 to 2000nm Ultraviolet (UV) Transmittance: ≤0.00006% at λ=313nm; ≤0.00006% at λ=365nm Viewing Area Dimensions: 92 x 42 mm "TEST" Function: No Filter Type: Auto-Darkening (Chameleon) Delay Time Adjustment: Yes Sensitivity Adjustment: Yes Grind Mode: Yes Delay Time (Opening): 0.1 — 0.6 s Light State (Clear): 4 DIN Dark State (Shade): 9 — 13 DIN Switching Time: 1.2 ms