内置led显示屏和红外线光源。

LED and infrared lighting are built-in.

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本文提出一种利用红外线光源及MCS - 51系列单片微机的新型高精度智能轮轨冲角测试仪。

A new high accuracy intelligent instrument for measuring the Angle of attack between wheel and rail by means of infrared ray and MCS-51 serial single-chip microcomputer is presented.

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光线质量高：由于光谱中没有紫外线和红外线，故没有热量，没有辐射，属于典型的绿色照明光源。

High quality light: no heat and radiation since there is no ultraviolet ray and infrared ray for the spectrum. It belongs to typical green lighting source.

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