项 目/型 号                                          SP-756                           SP-756PC

光学系统                                        单光束,自准式光栅单色器,1200条/毫米光栅

波长显示范围(nm)                            190-1100                          190-1100

光谱带宽(nm)                                          2                                    2(或1)

波长准确度(nm)                                     ±1                                      ±0.5

波长重复性(nm)                                     0.5                                      0.2

光度范围                                         0-125%T,-0.097-3A 0-125%T,-0.097-3A

光度准确度                                         ±0.3%T                              ±0.3%T

光度重复性                                         0.15%T                              0.15%T

杂散光                                                ≤0.1%T                              ≤0.1%T

稳定性(A/h,500nm处)                        ±0.001                                 ±0.001 

光度噪声(Abs)                                     ±0.001                                ±0.001

基线平直度(Abs)                                     —                                    ±0.002