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描(miao)述:
反(fan)光标线亮度,上用(yong)逆反(fan)射(she)系数(shu)来表示,单(dan)(dan)位mcd/lx/m2。其物理(li)意(yi)义是:在单(dan)(dan)位光照条件下,单(dan)(dan)位面(mian)(mian)积上产生的亮度值。将仪器(qi)置于(yu)被测标线的上面(mian)(mian),该仪器(qi)以数(shu)字的形式(shi)显示出逆反(fan)射(she)系数(shu)值,它反(fan)映了行车条件下司(si)机对标线反(fan)光亮度的客观评价。该仪器(qi)由测量主机、电源、充电器(qi)、标准板组成(cheng)。
Third, the description:
The inverse cursor line brightness is expressed internationally by the coefficient of retroreflection, in mcd/lx/m2. Its physical meaning is: the brightness value produced per unit area under unit illumination conditions. The instrument is placed on top of the measured marking line. The instrument displays the value of the retroreflection coefficient in digital form, which reflects the objective evaluation of the driver's reflection brightness on the marking line under driving conditions. The instrument consists of a measuring host, a power supply, a charger, and a standard board.
特点
◆能不分(fen)白天(tian)、夜间、野外、室内,全(quan)天(tian)候测量;
◆仪(yi)器操作(zuo)简单,以直(zhi)观的(de)数字显示出逆反射系(xi)数值;
◆仪器配(pei)备一套标准板,采用数据(ju)传递方式(shi)进(jin)行标定,准确度高;
◆测(ce)量几何条件为观察角1.05°,入射(she)角88.76°,符合国家标(biao)(biao)准《道路交(jiao)通标(biao)(biao)准质(zhi)量要求和检测(ce)方法(fa)》;
◆仪器体(ti)积(ji)小,重量轻,携(xie)带方便
Fourth, characteristics
◆It can be measured all day, day, night, field, indoors;
◆The instrument is easy to operate and displays the value of the retroreflection coefficient in an intuitive number;
◆The instrument is equipped with a set of standard boards, which are calibrated by data transmission method with high accuracy;
◆The measurement geometry is the observation angle of 1.05° and the incident angle of 88.76°, which conforms to the national standard “Quality requirements and testing methods for road traffic standards”;
◆The instrument is small in size, light in weight and easy to carry