Spectrophotometer

Visen is a high-tech enterprise devoted to manufacturing high quality and full range of Double Beam UV-VIS Spectrophotometer, Single Beam UV-VIS Spectrophotometers and Visible Range Spectrophotometers.

Visen has firmly positioned itself as one of the dominant spectrophotometer manufacturers and exporters from India. The Spectrophotometers are manufactured from the optimum quality raw materials under strict quality control measures. We have ready stock of Spectrophotometers and offer them within the stipulated time frame and that too at very competitive prices.

The Spectrophotometers made by the Visen are in huge demand in the national and international market and are known for easy operation, accurate results and compact structure.

Visen 21 : Advance UV-VIS MicroProcessor Double Beam Spectrophotometer

Visen-21

Visen 22 : UV-VIS Double beam Spectrophotometer Range 190 to 1100 nm with fully automatic operation,, automatic wave length calibration and wave length scan, automatic peak picking and spectrum display. Large screen with graphical display. Spectrum and data can be printed out by printer bia RS 232 set of 4 quartz and 16 glass cuvettes software included (Imported)

Visen-22
Wavelength Range190 to 1100 nm
Spectral Bandwidth1 nm
Working ModeT.A.C.E
Optical SystemDouble Beam
Scanning SpeedFast\Medium\Slow
Photometric Range0.3 to 3.5 A, 0 to 220 %T
Wavelength Accuracy± 0.3 nm
Wavelength Reproducibility< 0.10 nm
Photometric Accuracy± 0.3% T (0-100% T) ± 0.002 A (0-0.1A)
Photometric Reproducibility< 0.15 % T
Stray Light< 0.1 % T ( Nal. 220 nm , NaNO 340 nm)
Baseline Flatness± 0.002 A
Stability< 0.001A/h (at 500nm, after warming up)
Cell ContainerAutomatic 8 cell Changer
Noice± 0.001 A (at 500nm, after warming up)
DetectorDual Silicon Photodiode
Display6 Inches high light blue LCD
Power230 ± 10% AC , 50 Hz
Dimensions630x470x210 mm
Weight26 Kg (Approx)

Visen 28 : Advance UV-VIS MicroProcessor Single Beam Spectrophotometer

Visen-28

Visen 29 : UV-VIS Single beam Spectrophotometer Range 195 to 1000 nm with facility for automatic concentration. % transmission, absorbance & K Factor measurement. It has sample holder with 4-position selector control for 10 mm path length cuvettes. Facility has been provided for interface with any printer & RS 232 . Set of 2 quartz and 4 glass cuvettes is provided .

Visen-29
Wavelength Range190 to 1000 nm
Spectral Bandwidth2 nm
Accuracy±0.5 nm
Repeatability±0.3 nm
Resolution0.1 nm
Photometric Range%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999, K-Factor: 0 to 1999
Accuracy±0.005 Abs at 1.0 Abs & ±0.010 Abs at 1.5 Abs
Stray LightLess than 0.1% at 320 nm
Readability± 1 Count
Data ReadoutSingle Line LCD display
Keyboard4 Keys, Soft touch membrane type
Printer InterfacePrinter interface for any centronics dot matrix printer.
Serial interfaceRS-232C computer Interface
Light Source
  • Tungsten halogen lamp 340-1000 nm
  • Deuterium lamp(D2) 195-400 nm with facility to changeover b\w 340-400 nm
DetectorWide range of Silicon Photodiode
OpticsComplete mirror optics with resolution 1200 grooves/nm grating.
Sample Holder4 position adjustable sample holder.

Visen 30 : Advance MicroProcessor Visible Spectrophotometer 

Visen-30
  • The monochromator with a holographic flashing grating is used. It has the advantage of high wavelength precision, good monochromaticity and low stray light.
  • Automatic switching of tungsten halogen lamp and deuterium lamp.
  • A sample compartment for 0.5cm-10cm cells.
  • Computer control system, precise automatic T/A changeover.
  • Automatic zero and full scale adjustment.
  • Direct concentration read-out and concentration factorsetting function.
  • Equipped with RS232 port. Printer can be connected and data can be sent to PC by special software.

    Technical Specifications 
    Wavelength Range325 – 1000 nm
    Wavelength Accuracy< 2nm
    Wavelength Repeatability<1nm
    Transmittance Accuracy±0.5%
    Transmittance Repeatability<0.2%
    Spectrum Bandwidth2nm
    Stray Light<0.5% (at 360nm, NaN02
    Light Current Drift0.5% / 3 min
    Dark Current Drift0.2% / 3 min
    Cell Holder Dimensions10 mm
    Nett Weight13.5 Kgs
    Gross Weight27Kgs

 

Visen 801: Digital Spectrophotometer range 340 to 960 nm with facility for automatic concentration , % Transmission & O.D measurement . Wavelength resolution 5 nm. 3½ digit LED display with round test tube .

Visen-801
Range340 to 960 nm
Resolution0.1 % T , 0.0001 Abs
OutPut%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999
DetectorSilicon Photodiode
Light Source6V , 1 Amp , Tungsten Halogen lamp
Grating600 lines/cm
Path Length10mm
Special Bandwidth10 nm
Wavelength Resolution5 nm on engraved disc
Wavelength Accuracy2.5 nm
Repeatability±2 nm
Read Out3½ digit LED
Accessories1) Test Tube 10nos
2) Dust Cover
3) Operational Manual

Visen 802 : Digital Spectrophotometer range 340 to 960 nm with facility for automatic concentration , % Transmission & O.D measurement . Separate 3 Digit LED display for wavelength with 1 nm resolution with round test tubes .

Visen-802
Range340 to 960 nm
Resolution0.1 % T , 0.0001 Abs
OutPut%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999
DetectorSilicon Photodiode
Light Source6V , 1 Amp , Tungsten Halogen lamp
Grating600 lines/cm
Path Length10 mm
Special Bandwidth10 nm
Wavelength Resolution1 nm on display 2% digit LED
Wavelength Accuracy1 nm
Repeatability±1 nm
Read Out3½ digit LED , 1nm step
Operating Temperature5° to 45° C
Path Length10 mm
Accessories1) Test Tube 10 nos
2) Dust Cover
3) Instruction Manual

Visen 803 : Digital Spectrophotometer 10M range 340 to 960 nm with facility for automatic concentration , % Transmission & Absorbance measurement . Separate 3 Digit LED display . Square Sample holder, a set of 2 glass cuvettes having 10 mm optical path length is provided. Separate 3 digit LED display for wavelength with 1 nm resolution.

Visen-803
Range340 to 960 nm
Resolution0.1 % T , 0.0001 Abs
OutPut%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999
DetectorSilicon Photodiode
Light Source6V , 1 Amp , Tungsten Halogen lamp
Grating600 lines/cm
Path Length10 mm
Special Bandwidth10 nm
Wavelength Resolution1 nm on display 2% digit LED
Wavelength Accuracy1 nm
Repeatability±1 nm
Read Out3½ digit LED , 1nm step
Operating Temperature5° to 45° C
Path Length10 mm
Accessories1) 10mm Cuvette
2) Dust Cover
3) Instruction Manual

Visen 804 : Digital Spectrophotometer 50M range 340 to 960 nm with facility for automatic concentration , % Transmission & Absorbance measurement . Separate 3 digit LED display for wavelength with 1 nm wavelength resolution. & 3½ digit LED display fro results. Provision for 10 mm & 50 mm path length cuvettes. A set of 2 glass cuvettes of 10 mm & 50 mm path length fused glass cuvettes .

Visen-804
Range340 to 960 nm
Resolution0.1 % T , 0.0001 Abs
OutPut%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999
DetectorSilicon Photodiode
Light Source6V , 1 Amp , Tungsten Halogen lamp
Grating600 lines/cm
Path Length10 mm
Special Bandwidth10 nm
Wavelength Resolution1 nm on display 2% digit LED
Wavelength Accuracy1 nm
Repeatability±1 nm
Read Out3½ digit LED , 1nm step
Operating Temperature5° to 45° C
Path Length10 mm & 50 mm
Accessories1) 10mm & 50 mm Cuvette
2) Dust Cover
3) Instruction Manual

Visen 805 : Digital Spectrophotometer range 100M 340 to 960 nm with facility for automatic concentration , % Transmission & Absorbance measurement . Separate 3 digit LED display for wavelength with 1 nm wavelength resolution. & 3½ digit LED display fro results. Provision for 10 mm & 50 mm path length cuvettes. A set of 2 glass cuvettes of 10 mm & 50 mm path length fused glass cuvettes .

Visen-805
Range340 to 960 nm
Resolution0.1 % T , 0.0001 Abs
OutPut%T : 0 to 100% Abs : 0 to 1.999, Conc : 0 to 1999
DetectorSilicon Photodiode
Light Source6V , 1 Amp , Tungsten Halogen lamp
Grating600 lines/cm
Path Length10 mm
Special Bandwidth10 nm
Wavelength Resolution1 nm on display 2% digit LED
Wavelength Accuracy1 nm
Repeatability±1 nm
Read Out3½ digit LED , 1nm step
Operating Temperature5° to 45° C
Path Length100 mm
Accessories1) 100mm Cuvette
2) Dust Cover
3) Instruction Manual
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