設計標準按IEC61341《反射燈中心光強和光束角的測量方法》。用于測量燈具直徑小于180mm的組合LED燈、小型LED模組、LED透鏡組合的中心光強、發光角(光束角)、及空間各截面上的光強分布曲線等參數。
Design according to IEC61341 ‘the test method of central luminous intensity andbeam angle for reflecting light’, this instrument can be used to test the crosssection luminous intensity distribution curve, central luminous intensity andeffective beam angle of LED embled luminaries and LED lens system withdiameter less than 180mm.

技術特性 Characteristics& Specifications

◆角度范圍 Angle range:  -180°~180° 
◆角度 Angle accuracy: 0.1°
◆測量角度間隔：0.5°、1°、2°、3°、5°
   Angle interval for measurement: 0.5°,1°, 2°, 3°, 5° 
◆配嚴格V（λ）修正探測器，合以上要求
   With fine V(λ) correction detector, meet national cl oneor higher requirement
◆照度動態范圍：0.001lx至20000lx 
   Dynamic luminance range：0.001lx~20000lx
◆控制儀器內置2A LED精密數控恒流源
   Built-in 2A constant current power supply, for LED only, precise,dial control
◆RS-232標準接口，軟件在Windows 2000/XP/vista系統下運行
   RS-232 standard interface, software running under Windows2000/XP/vista
◆測試距離：標準1m
   Measuring distance: 1m
◆燈具尺寸ø180mm，重量1kg
   Max dimension of luminaries: ø180mm; max weight: 1kg

儀器自帶測試光學暗箱及光欄，無需暗室，結構緊湊，采用技術無繞線設計，實現連續360°循環測量，儀表帶大屏幕液晶顯示，可直接顯示光強分布曲線；自帶2A數控精密恒流電源，方便LED產品測試
Compact design, no need additional darkroom, no need wiring, continuoueasurement in 360°circle, Display luminous intensity distribution curvedirectly on big blue LED screen, Built-in 2A constant current power supplymakes it easy to test LED products.