设计标准按IEC61341《反射灯中心光强和光束角的测量方法》。用于测量灯具直径小于180mm的组合LED灯、小型LED模组、LED透镜组合的中心光强、有效发光角(光束角)、及空间各截面上的光强分布曲线等参数。
Design according to IEC61341 ‘the test method of central luminous intensity and beam angle for reflecting light’, this instrument can be used to test the cross section luminous intensity distribution curve, central luminous intensity and effective beam angle of LED assembled luminaries and LED lens system with diameter less than 180mm.

技术特性 Characteristics & Specifications

◆角度范围 Angle range:  -180°~180°
◆角度精度 Angle accuracy: 0.1°
◆测量角度间隔：0.5°、1°、2°、3°、5°
   Angle interval for measurement: 0.5°,1°, 2°, 3°, 5°
◆配严格V（λ）修正探测器，符合国家一级以上要求
   With fine V(λ) correction detector, meet national class one or higher requirement
◆照度动态范围：0.001lx至20000lx 
   Dynamic luminance range：0.001lx~20000lx
◆控制仪器内置2A LED专用精密数控恒流源
   Built-in 2A constant current power supply, for LED only, precise, digital control
◆RS-232标准接口，软件在Windows 2000/XP/vista系统下运行
   RS-232 standard interface, software running under Windows 2000/XP/vista
◆测试距离：标准1m
   Measuring distance: 1m
◆灯具最大尺寸?180mm，最大重量1kg
   Max dimension of luminaries: ?180mm; max weight: 1kg

仪器自带测试光学暗箱及光栏，无需暗室，结构紧凑，采用军工技术无绕线设计，实现连续360°循环测量，仪表带大屏幕液晶显示，可直接显示光强分布曲线；自带2A数控精密恒流电源，方便LED产品测试
Compact design, no need additional darkroom, no need wiring, continuous measurement in 360°circle, Display luminous intensity distribution curve directly on big blue LED screen, Built-in 2A constant current power supply makes it easy to test LED products.