اسپکتروفتومتر تک پرتوئی uv-vis مدل s50 ساخت کمپانی biochromtech با مشخصات زیر:

Type:  UV/Vis
Wavelength Range:  190 - 1100nm
Wavelength Accuracy: (+/-)  ± 0.5nm across wavelength range
Wavelength Reproducibility: (+/-)  ± 0.1nm
Lamp Source:  Xenon (PTR)
Beam:  Split Beam
Optical System:  Reference Beam Compensation
Bandwidth:  2nm
Detector:  Dual Solid State Silicon photodiode
Photometric Range:  -4.000A to 4.000A
Stray Light:  < 0.050%T at 220nm (NaI), < 0.050%T at 340nm (NaNO2)
Zero Stability:  ± 0.001A/hr at 500nm
Baseline Flatness:  ± 0.002A 220 to 900nm
Measurement Type:  Fixed Wavelength, Abs/%T, Abs ratio, Abs difference, concentration (standard curve), concentration (factor), multiwavelength, kinetics, Life Science Methods, cell density, user log-on, Equation editor
Cell Compatibility:  Cuvette, Microcell*, Variable Pathlength Cell*
Other Sample Containers:  Test Tube*
Cell Holder:  Single, 8 cell changer*, 5 position heated cell changer*, variable pathlength cell holder*
Accessory Options:  Film holder*
Method Storage:  Up to 90 on-board, unlimited via USB
Compliance:  21 CFR part 11*, IQ/OQ*
Data Output:  Store, Print*, USB Drive*, Export to PC, PC Control*
Display:  Colour Touchscreen
Data Interface:  USB
Languages:  English, French, German, Spanish
Power Requirement:  85 to 264V (100VA)
Weight:  17.5Kg (38.6lb)
Dimensions (WxDxH):  535 x 440 x 235mm (21.3 x 18.1 x 12.6 inches)
Noise:  <0.002A peak to peak, 0.0008A RMS near 2A at 500nm. <0.00020A RMS at 0A at 500nm over 20 measurements
Photometric Accuracy:  ± 0.002A at 0.5A, ± 0.004A at 1A, ± 0.006A at 2A at 440nm, 456nm, 546.1nm, 590nm, 635nm ± 0.005A using 60mg/L K2Cr2O7
Photometric Reproducibility:  ± 0.002A at 1A
Spectral Scanning:  Yes (up to 1100nm)