技术参数
measuring wavelength range:190to900nm
Spectral bandpass;0.1,0.5,1,2,4,5nm(6kinds)
Wavelength accuracy;±0.1nm(656.1nm)
Photometric range; Abs:-3.8 to 3.8(U-3900),-5.5to5.5(U-3900H)
%T;0 to 300%T U-3900/U-3900H)
Photometric accuracy;±0.002Abs(0 to 0.5Abs)
±0.004Abs(0.5 to 1.0Abs)
±0.006Abs(1.0 to 2.0Abs)
主要特点
新一代的双光束U3900/3900H型UV-Vis分光光度计,首创紫外区变速测试,减少噪声水平到原来的1/3;波长准确度达±0.1nm;宽的光度测量范围-3.8~3.8Abs(U3900)-5.5~5.5Abs(U3900H),基线稳定性达0.0002Abs/h。计算机软件全自动控制及数据采集。