Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
EN 171:2002
Năm ban hành 2002
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Personal eye-protection Infrared filters Transmittance requirements and recommended use
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Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard This European Standard specifies the scale numbers and transmittance requirements for filters for protection against infrared radiation. The other applicable requirements for these types of filters and the frames/mountings to which they are intended to be fitted are given in EN 166. Guidance on the selection and use of these filters is given in annex B.
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