TU-1901 UV-Vis spectrophotometer  

Instrument Description :
UV-visible spectrophotometer in organic chemistry , biochemistry, pharmaceutical analysis , research, production and food inspection work , medicine and health , environmental protection, life sciences and other fields have been in an extremely wide range of applications . TU-1901 UV-Vis spectrophotometer outstanding technical indicators , stable and reliable , user-friendly and intuitive display , smooth man-machine dialogue. Great to meet the analysis needs of professional users .

Main features:
1. extremely excellent optical systems, advanced electronics systems , a high level of mechanical systems to ensure that the ultra-low stray light 0.010% T 's ;
2. Double-beam dynamic feedback proportional metering system to ensure the stability recorded baseline ; high-performance deuterium lamps, photomultiplier tube to ensure a stable and reliable service life of the instrument ;
3. The use of high quality holographic gratings to further reduce stray light of the instrument, the instrument is more accurate analysis ;

4. Excellent Scalability: peristaltic sampler, minim cell holder , thermostatic cell holder , optical sphere , specular reflection , optical cuvette accessories and other large series of user-selectable special accessories , the application range of the instrument greatly expanded ;
5. Easy maintenance : a unique tungsten lamp socket and deuterium lamps , replacing optical debugging for lights , equipment and instruments to make commissioning and maintenance easier.

Technical parameters:
1. Wavelength range : 190nm ~ 900nm
2. Wavelength Accuracy : ± 0.3nm ( boot automatic calibration )
3. Wavelength repeatability : 0.1nm
4. Spectral Bandwidth : 0.1nm, 0.2nm, 0.5nm, 1.0nm, 2.0nm, 5.0nm
5. Stray light : ≤0.01% T (220nm, NaI; 340nm, NaNo2)
6. Photometric mode : transmittance , absorbance , reflectance , energy

7. Photometric range : -4.0 ~ 4.0Abs
8. Photometric Accuracy : ± 0.002Abs (0 ~ 0.5Abs); ± 0.004Abs (0.5 ~ 1.0Abs);
± 0.3% T (0 ~ 100% T)
9. Photometric Repeatability : 0.001Abs (0 ~ 0.5Abs); 0.002Abs (0.5 ~ 1.0Abs)
10. Baseline flatness : ± 0.001Abs
11. Baseline Drift : 0.0004Abs / h (500nm, 0Abs preheat two hours later )
12. photometric noise : ± 0.0004Abs

Dear customer:

You see on our website products quotation, just a market reference price. We can according to customer specific requirements to give the actual price. 

Dear customer,

We ,Xi’an Yima Opto-electrical Technology Com.,Ltd. is an integrated economic entity of R&D,manufacturing and trading with over 20 years of history .

Our business scope covers various fields such as biochemical analysis,environmental protection,industrial testing, bioscience,medical apparatus and instruments,internet technology and some frontier science.

Through a long-time development,we own a national resources system of various professional talents , abundant supply for various components &parts and special materials, full producing &processing equipments , strong Technological standardization and a complete quality assurance system.

If you need OEM or ODM in manufacturing ,scientific research , market development and or you want to build your own brand in your country, it’s our honor to cooperate with you.In this way ,we have developed many products for our customers from the USA, Europe and South Africa and got good feedback on Alibaba