DOBI Test Machine (THOMAS EDISON) UV Vis Spectrophotometer

Designed for reliable and accurate measurement of DOBI Test, and other applications QA/QC and R&D 

Product Features

Basic modes (absorbance, transmittance)



Scan Kinetics

DOBI Test 

More details


TE U1900 Plus Single Beam UV Vis Spectrophotometer

Accurate. Reliable. Affordable. 

Product Details

  • Excellent Fixed 2 nm bandwidths;
  • Simple step by step procedure for DOBI Test
  • Sealed and solvent-resistant tactile keypad with alpha-numeric entry for robust usage.
  • Pre-aligned deuterium lamp for easy lamp replacement.
  • Indicator for lamp usage and the status of the lamps;
  • Real time clock for date and time stamping of results 


Full Accessories available: including test tube holder, water jacketed cell holder, solid sample holder,micro cell holder, 5° reflectance holder & sipper system for other applications. 

Technical Specification

Optical System : Single Beam

Light Source : D2 Lamp, Tungsten Lamp

Wavelength range : 190 to 1100 nm

Wavelength Accuracy: ±0.5 nm

Wavelength repeatability: ≤0.3 nm

Spectrum Bandwidth: 2 nm

Display: LCD

Interface: USB x 1 ; Parallel (for printer)

*** Do you know? ***

Every TE U1900 Plus UV-Vis spectrophotometer for DOBI Test is calibrated and issued with ISO/IEC 17025 Accredited Calibration Certificates, ensuring that the high precision and performance specifications are in compliance with international standards.


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