§ 571.125 Standard No. 125; Warning devices. S1. Scope. This standard establishes requirements for devices, without self-contained energy sources, that are designed to be carried in motor vehicles and used to warn approaching traffic of the presence of a stopped vehicle, except for devices designed to be permanently affixed to the vehicle. S2.

This standard establishes requirements for devices, without self-contained energy sources, that are designed to be carried in motor vehicles and used to warn approaching traffic of the presence of a stopped vehicle, except for devices designed to …

该装置用于警告向停驻车辆靠近的行人或车辆。 用于永久. 性安装于车辆上的装置除外。 S4定义. 进入角指的是通过被测物体中心和表面法线的直线和通过被测物体中心和光源. 中心的直线所形成的角度. 荧光指的是由于吸收可见光谱外的更短波光线而具有的发散可见光的属性. 观察角指的是由从观察点到被测物体中心的线和从被测物体中心到光源中心的. 线组成的角度. 反射指的是靠近入射光线方向的并与入射光线方向有大范围不同的光反射S5. 要求. S5.1设备. S5.1.1满足本标准要 …

The purpose of this Standard is to reduce deaths and injuries due to rear-end collisions between moving traffic and disabled vehicles. Application: buses and trucks with a GVWR greater than 4,536 kg (10,000 lbs.). Applicability: Read the Complete Standard.

FMVSS 125 establishes requirements for devices, without self-contained energy sources, that are designed to be carried in motor vehicles and used to warn approaching traffic of the presence of a stopped vehicle, except for devices designed to be permanently affixed to the vehicle.

我国警告装置的标准为gb 19151—2003，美国标准为fmvss 125，二者的差异为： a）GB 19151—2003适用于所有机动车辆用，FMVSS 125只适用于车辆总重大于4536kg的 客车 、载货汽车。

CFR第49卷第571部分。 目前共计63项。 此外，CFR第49篇第581部分：“保险杠标准”也常被作为与FMVSS相等同的基本技术法规。

2022年10月1日 · Standard No. 125; Warning devices. This standard establishes requirements for devices, without self-contained energy sources, that are designed to be carried in motor vehicles and used to warn approaching traffic of the presence of a...

2024年6月3日 · fmvss 119 gvwr>4536kg（10000 磅）的机动车辆用新型充气轮胎、专用轮胎和摩托车轮胎

FMVSS 571.125中文-S6.3.亮度测试.按照以下测试橙色萤光材料： (a) 除使用两用材料外，应防止红色回复反射材料影响橙色荧光材料的亮度光学测试。 (b) 使用 150 瓦紧凑型高压疝气弧形灯作为光源，以 45 度入射角 90 度观察角照射测试 样本。