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Zhejiang Zheng Rong Machinery Co. Ltd. 13yr.
Contacts:马帅Chat
Mobile:86-15268696111
E-mail:rongzhengjx@hotmail.com
1),Filter size: 110 x 90mm(4.33”x3.54")
2),Viewing area:98x 43mm (3.86”x1.69")
3),Light state: Shade 4
4),Dark state: Variable shade 9-13,Outside control.
5), 2 arc sensors
6), Switching time from light to dark: 1/25,000s
7),Delay time:0.25s-0.8s at"Short-middle-long"position
8),Sensitivity: Outside continuous adjustable
9),Inside GRINDING mode
10),Solar cell, no battery change required
11), Meets EN379, EN175, ANSI Z87.1 and CSA Z94.3 Standard
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