UV1901 Double Beam Spectrophotometer with Spectrum Scanning

UV1901 & UV1901UPS Double Beam Spectrophotometer with Spectrum Scanning

Stock Status: In Stock



Fixed 1nm spectral bandwidth


Adjustable spectral bandwidth, 0.5 / 1.0 / 2.0 / 3.0 / 5.0 nm


Subjects for physics, chemistry, medicine, biology, pharmacology, geology and other scientific research, is widely used in chemical, pharmaceutical, biological and chemical, metallurgy, light industry, materials, environmental protection, medicine and other industries and laboratory analysis of the industry's most one important quality control instruments, is essential for routine laboratory instruments.


  1. The new design of excellent optical system , high-performance 1200 grs/mm holographic blazed grating, in order to ensure the instrument with low stray light.
  2. Double beam metering system, with advanced high accuracy A/D conversation circuit. It guarantees the high stability and low noise quality.
  3. The advanced design concepts on the automatic control system to ensure that instrument with high reliability and stability. Removable structure of sample room design, easy to replace different attachments, cuvette, to which can satisfy different analysis demands.
  4. Capacious open space light source chamber design, simplified the exchange process of light source.
  5. Key components are made by high quality source, which guarantee the high reliability of the instrument performance.
  6. English and Chinese application software under Windows system,with many patent technology, in which provides powerful and abundant unique analysis capabilities.

Major Functions

Photometric measurements

Simultaneous measurements up to maximum 6 wavelengths (1 to 6) and their transmittance and absorbance.

Spectral measurement

In the wavelength range for transmission, absorbance and energy spectrum scanning, and various data processing such as peak and valley detection, derivative computation, spectrogram operation, etc.

Quantitative measurement

Single wavelength, dual wavelength, three wavelength and multi-wavelength measurement. 1 ~ 9 work curve (1 ~ 4 times) regression.

Dynamic measurement

Time scanning of transmittance and absorbency by arbitrary set of wavelengths and may execute various data operations simultaneously.

Data output

Can undertake data file and parameter file access, the measured results are output in standard data file format.

There are two models, "UV1901" and "UV1901PCS"
[Wavelength range]: 190 nm - 1100nm
[Spectral bandwidth]: #UV1901# 1nm
[Spectral bandwidth]: #UV1901PCS# 0.5 / 1.0 / 2.0 / 4.0 / 5.0 nm
[Light source]: Tungsten lamp and Deuterium Lamp
[Optical system]: Double beam 1200 grs/mm plane grating
[Wavelength accuracy]: ±0.1nm(656.1nm D2); ±0.3nm (full wavelength range)
[Wavelength repeatability]: <=0.1nm
[Wavelength resolution]: 0.1nm
[Stray light]: <=0.02%T (220nm NaL, 340nm NaNO2)
[Photometric range]: -3A~ 3A
[Noise]: ≤ 0.0003 Abs/h
[Baseline straightness]: ≤ ±0.001A
[Drift]: ≤ ±0.0004 Abs/h
[Photometric accuracy]: ±0.002A(0-0.5A),±0.004A(0.5-1A),±0.2 %T (0-100 %T)
[Photometric repeatability]: ±0.001A(0-0.5A),±0.002A(0.5-1A),±0.15 %T (0-100 %T)
[Measurement Mode]: transmittance, absorbance, energy, reflection
[Scanning speed]: Fast, Mid, Slow
[Wavelength and the setting mode]: Arbitrarily set
[Keyboard]: Membrane keypad
[Detector]: Silicon photovoltaic
[Data output]: Printer or USB export
[PC App Software]: Included (Support Windows XP / 7 / 8)
[Power]: AC 220V/50Hz or AC 110V/60Hz
[Main engine Weight]: 30kg
[Instrument dimension]: 658 x 468 x 220mm
We rely on cookies to provide our services. By using our services, you agree to our use of cookies.