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Labomed Inc.

Double Beam Spectrophotometer


Photometric Range -4~4A Spectral Bandwidth 0.5/1/2/4/5



UV-VIS Double Beam Spectrophotometer Scanning System with PMT Detector and memory Photometric Range -4~4A

PMT has high sensitivity that can catch the signal from weak light. Hence it is often used in high-end UV-VIS to enable large photometric range. The UV-Vis with a linear range of 4A or above must be equipped with PMT detector. Double Beam PMT Spectrophotometer has a Photometric Range of -4~4A.

The Double Beam Spectrophotometer with Photometric Range -4~4A and Spectral Bandwidth 0.5/1/2/4/5 is designed to meet high requirement for precision measurement in the research and production of organic chemistry, biochemistry, medical testing, food testing, environmental protection, water testing industry, etc. The latest ARM system and long optical system ensure high accuracy and good stability of the instrument. They are the best choice of high quality spectrophotometer.


Labomed, Inc. is certified by ISO 9001-2013, has CE Conformity and is FDA Licensed




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  • The use of photomultiplier tube as a detector offers exceptional sensitivity.
  • Powerful functions like Photometric measurement, Quantitative measurement, Kinetics, Spectrum scan, DNA\Protein test, multi-wavelength test, etc.
  • In-house massive memory is capable of saving up to 1024M for test data & working curves.
  • Supports USB storage. The USB port can be used for data transfer, which is easily exported to Excel for further processing, analysis and storage.
  • Socket type deuterium and tungsten lamp can make lamps switching without optics debugging and easy to be replaced.
  • Large sample chamber can accommodate 5-100mm cuvettes of all kinds.
  • Extensive accessories are optional, such as auto 8-cell holder, film holder, Peltier/Sipper system, 21 CFR compliant software, built-in printer, etc.

Technical Specifications

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Model UVD-3310VA
Optical System Double Beam, Grating 1200 lines/mm
Wavelength Range 190-1100 nm
Spectral  Bandwidth 0.5/1/2/4/5
Wavelength Accuracy ±0.1nm@656.1nm, ±0.3nm@all
Wavelength Repeatability <=0.1nm
Photometric Accuracy 0.2%T(0~100%T), ±0.002A(0-0.5A), ±0.004A(0.5-1A)
Photometric Repeatability ≤0.15%T (0-100%T), 0.001A(0-0.5A), 0.002A(0.5-1A)
Photometric Range 0-200%T, -4~4A, 0-9999C (0-9999F)
Stray Light <=0.03%T@220nm, 360nm
Stability ±0.0005A/h@500nm
Baseline Flatness ±0.001A
Noise 0.0005A@500nm
Work mode T, A, C, E
Scanning speed Hi, Med, Low (Max. 3000nm/min)
Wavelength setting Auto
Display 7" TFT Color  Screen
Light Source Imported Deuterium & Tungsten lamp
Detector Imported PMT
Output USB drive, USB host, RS232
Power AC 220V/50Hz or AC 110V/60Hz
Dimension 760*560*280mm
Net Weight 28kg
Shipping Size 880*690*520mm
Gross Weight 45kg
Standard Accessories  10mm glass cuvette x 4, 10mm quartz cuvette x 2, Power cord, User's Manual, PC Software




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Labomed Inc.

Labomed, Inc. Mailing Address: 2728 S La Cienega Blvd.

Los Angeles, CA 90034 U.S.A

TEL (310) 202-0811 FAX (310) 202-7286


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