Standard Helmet Visual Field Tester
Main Purposes
1. Used for marking test points and test lines on helmets. 2. Used for drawing lines according to different test standards. 3. Used to define the upper - lower and left - right visual fields of helmets during helmet research and development.
Applicable Standard
EN1078:2023
Technical Parameters
1. The upper visual field is not less than 25°.
2. The lower visual field is not less than 45°. 3. The left - right visual field is not less than 105°.
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