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CR 250 是一款便携性的光谱辐射度计,有可见光(380nm-780nm)和近红外(380nm-1050nm)两种型号
测试参数: 亮度,色度,光谱辐亮度,色温,显色指数,并支持透射、反射、光密度测量
应用领域: 显示器调校;LED测量;道路照明评价
主要特点: 便携、高精度;带有低温自动加热功能,可以在严寒的野外条件下正常工作
探测器 | CMOS image sensor, 256 pixels (红外512 pixels) |
---|---|
光谱范围 | 380 - 780 nm (380-1080nm) |
光谱带宽 | 5 nm |
波长精度 | ± 0.3 nm |
光谱解析度 | 1.6 nm / pixel |
亮度范围 | 0.05 fL to 45000 fL(0.1-135000cd/m2)? |
亮度精度 | ±2 %Ω |
亮度重复性 | ≤1%Ω |
色度精度 | ± 0.0015 x, yΩ |
色度重复性 | 0.0005 x, yΩ |
偏振误差 | ≤ 0.5 % |
数字解析度 | 16 bits |
光学系统 | Direct viewing and direct measuring system |
物镜 | 40 mm |
变焦范围 | 200 mm to infinity |
光圈 | Fix (available at order time: 3°, 2°, 1°, 0.5°, 0.25°, 0.125°) |
视场 | 10° |
瞄准光路 | Patent pending removable and rotatable viewing system. |
同步频率 | 10 - 10000 Hz |
曝光范围 | 0.02 to 30 seconds |
功耗 | 5V, 120 mA (600 mW) via USB 2.0 |
数据接口 | USB 2.0, Ethernet, RS-232 |
重量 | 1 pound (0.45 kg) 1.2 pounds (0.54 kg) with viewing system VO-201 |
选件与附件标题 |
强光衰减片;余弦修整器;光纤探头;内置加热器;积分球;外部触发接口(用于同步及闪烁信号测试) 不同光圈对应的测试点大小: 测试距离 (mm)3° Aperture (mm)2° Aperture (mm)1° Aperture (mm)0.5° Aperture (mm)0.25° Aperture (mm)0.125° Aperture (mm)2000103.5068.9934.4917.258.624.31150077.3051.5325.7612.886.443.22100051.1034.0617.038.524.262.1375038.0225.3412.676.343.171.5850024.9416.628.314.162.0781.03940019.6913.126.563.281.640.8230014.469.644.822.411.2050.60325412.058.034.012.0110.525011.847.893.941.970.9850.49324011.317.543.771.890.9430.4712009.226.143.071.540.7680.384 |