产品特点：

1.光亮度和光电流之间有着良好的线性关系。

2.设备自带LCD屏，可显示状态运行情况、故障告警和数据存储功能。

3.多量程可选。

4.光电池25℃室温条件下标定，在实际运行中误差自动修正为小于±1%。

5.测量特性为线性，并且能够对光变化瞬时响应。

6.多种输出方式选择，数据传输方便。

安装方式：

隧道光强度监测仪安装在隧道内指定区域的墙壁上，为了避免因事故或汽车残骸对其的损伤，需安装在4m左右的高度，距隧道入口大于10m的适当位置。隧道光亮度监测仪安装在隧道外高度距路面4m左右，距隧道入口120—200m左右的适当位置。具有高可靠性和低维护量.新微处理器技术，完全数字化运行，安装

调试简易。

技术参数：
 

The brightness detector outside the tunnel fully meets the requirements of the entire tunnel lighting control. The controller of the preset control mode automatically switches the lighting switch according to the preset parameters based on the measured values of the light source, providing the best value for tunnel lighting. Its design fully meets the requirements of CIE for tunnel lighting measurement ａnd can meet the "Design Specification for Ventilation ａnd Lighting of Highway Tunnels". Moreover, its overall design can fully meet the requirements of harsh working environments in the wild.