Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 842:1996 /A1:2008
• Năm ban hành / Publication date: 2008
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Safety of machinery - Visual danger signals - General requirements, design and testing
• Phạm vi áp dụng / Scope of standard: This European Standard describes criteria for the perception of visual danger signals in the area that people are intended to perceive and to react to such a signal. It specifies the safety and ergonomic requirements and the corresponding physical measurements and subjective visual check. It also provides guidance for the design of the signals to be clearly perceived and differentiated as described in 5.3 of EN 292-2:1991. This European Standard does not apply to danger indicators: - Presented in either written or pictorial form; - Transmitted by data display units. This European Standard does not apply to special regulations such as those for public disaster and public transport.