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Dual beam spectrophotometer Double Monochromator UV 1000+

UV-VIS Spectrophotometer with Double Beam Double Monochromator UV 1000+

The instrument can be optically configured to suit the needs of the sample by means of a continually adjustable slit for precise control of spectral resolution and beam size adjustment by means of an attenuating wheel. Precise wavelength accuracy is ensured by the integrated Mercury Emissions Lamp used for automatic correction of spectral deviation. A whole host of specialised accessories are available to suit the specific requirement of the sample.

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The UV1000+ Spectrophotometer incorporates dual monochromator technology making it well suited to even the most demanding of applications in all areas of UV-Visible Spectroscopy including :
  • Pharmaceutical
  • Material Science
  • Metrological Verification
  • Biotechnology
  • Food Safety
  • Research
Standard Features of Double Beam Double Monochromator UV 1000+
  • Both 60mm and 150mm Integrating Sphere for Diffuse reflectance measurements
  • Absolute, and Specula reflectance measurements accessories.
  • Polarizing Optics
  • Thermostatic Cell Holders for temperature control.
  • Various long and short path length cell holders.
  • Automated cell changers for both sample and Reference beams
  • Tablet dissolution accessory for pharmaceutical quality control
Typical Specification




 True Double beam, double monochromator, UV Visible Spectrophotometer Sealed and Quar tz coated CZerny Turner with microcomputer electronics controlled by DELL PC or compatible personal computer

Optical System

All reflecting optical system with holographic grating


High Energy Photo Multiplier tube

Wavelength Scanning Speed

Wavelength Slew Rate -14500 nm/min Scan Rate -About 4500 to 0.5 nm/min

Wavelength Range

185 - 900nm


D2 Lamp - UV Region

W Lamp - Visible Region

Hg Lamp - Wavelength Correction

Automatic selectable light source lamp switching


Variable bandwidth, 0.1 - 5.0 nm continuously adjustable

UV/VIS Resolution



At 198nm for KCL                       0.05%T

 At 220nm NaI ASTM Method  0.00004%T

 At 340nm NaNO2                      0.00002%T

Wavelength Accuracy

± 0.1nm

Wavelength Reproducibility

0.05nm Deuterium Lamp

Photometric Accuracy

±0.004A @2.0 A

±0.003A @1.0A

±0.002A @0.5 A


Baseline Flatness


 Range : 190-900nm

Baseline Stability

0.0005Abs (500nm,Abs),2hours warm-up

Photometric Repeatability

+0.0004A @0.5A

 Photometric Range

-8.0Abs - +8.0Abs

Communication Port

RS 232C, USB, Wi-Fi

Software/Data Processing

UV-Win Software to control complete UV-VIS Spectrophotometer is Latest Windows based, also offering extensive administrative capabilities along with a detailed audit trail & 21CFR P art 11, GLP/GMP/GRP Compliance. Built in Per formance Verification feature enabling it to comply with various methodologies like ASTM, IS & ISO . For interpretation of measurement results, it is offering Four key workspaces -- Spectral Analysis, Quantitative Analysis, multi component analysis, multilevel calibration, baseline correction, Kinetic Analysis & Photometric Analysis, this features allows the user for complete spectrophotometer control, Data storage, Spectral overlay in 3D Display mode, create customized repor t templates, Built in User group creation with Audit trail, log histor y and Password protection. All UV- VIS Data processing parameters and mathematical tools for interpretation like Point pick, Peak/Valley detection, Abs- %T conversion, Nor malization, Exponential Convention, Auto calculation of% SD, % RSD and Average, Quantitative workspace to deter mine the concentration of unknown sample, create a calibration cur ve using single and multi point calibration, 1st to 4th derivative co-relation and derivative spectroscopy, Export measurement data to Word, Excel, CSV and ASCII format 

Optional Accessories

Specular Reflection Accessory, Integrating Sphere 60mm / 100mm

Automatic 8 Cell Changer, long path cell holder, Peltier Solid Sample holder etc.

Power supply

Switchable 120 – 230 VAC 50 – 60Hz