Prolab India

Double Beam UV Visible Spectrophotometer with PC Controlled Software

Business Type Manufacturer, Exporter, Supplier, Distributor, Importer
Model UV-2704
Make Prolab India
Wavelength Range 190-1100nm
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Preferred Buyer From

Location Worldwide

Product Details

Spectral Bandwidth
Optical System
Double Beam, Blazed Holographic Grating (1200 lines/mm)
Wavelength Accuracy
Wavelength Repeatability
Wavelength Setting
Auto, Resolution 0.1nm
Photometric Range
0~200%T, -4~4A, 0~9999C
Photometric Accuracy
±0.002 A (0~0.5A), ±0.003A (0.5~1A), ±0.3%T (0~100%T)
Photometric Repeatability
≤0.001 A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T)
Stray Light
Scan Speed
High, Medium, Low. Max.3200 nm/minute
Baseline Flatness
±0.001A/h (500nm,0A)
≤0.2%T/3min (250/500nm,0%T); ≤0.5%T/3min (250/500nm,100%T)
Sample Compartment
10mm Pathlength Cuvette
Silicon Photodiode
Tungsten Lamp & Deuterium Lamp (Pre-aligned)
Graphic LCD (320*240 Dots)
30-key Alphanumeric Membrance Keypad
Output Port
USB Port
Mini Serial Printer; PC Printer
PC Software
UV Analyst Scanning Software
Power Requirements
AC 90-250V, 50/60Hz


  • Double beam optical system
  • Low noise and Low stray light
  • Large LCD display, can display curve
  • High quality grating, detector and lamps
  • Data and Curve can be stored in real-time
  • Auto setting WL, auto Blank
  • Lamps can be turned on/off individually
  • Easy to change Pri-aligned lamps
  • Reinforced baseboard and bracket assures durability



  • Photometric: T%, Abs
  • Quantitative: Standard Curve
  • System Utility
  • WL Scan (Spectrum Scan)
  • Time Scan (Kinetics)
  • DNA/Protein Test

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Basic Mode

Basic Mode

To measure the Absorbance and transmittance


  • Coefficient Method
  • Standard Curve Up to 10 Standard sample may be used to establish a curve. Four methods for fitting a curve through the calibration points : Linear fit. Linear fit through zero, Square fit and cubic fit

DNA/Protein Test

DNA/Protein Test

Concentration and DNA purity are quickly and easily calculated: Absorbance rations: 260 nm / 280 nm with optional subtracted absorbance at 320 nm. DNA concentration = 62.9XA260-36.0XA280 Protein concentration = 1552xA260-757.3xA 280

Wavelength Scan

Wavelength Scan
  • The wavelength scan intervals are 0.1,0.2,0.5,1,2,5 nm
  • High, Medium and low scan speed are available. They vary from 100 to 3600 nm/min
  • Wavelength are scanned from high to low so that the instrument waits at high WL. And it minimizes the degradation of UV sensitive samples.



Abs vs time graphs is displayed on the screen in real-time wait time and measurement time up to 12 hours may be entered with time interval of 0.5,1,2,5,10,30 seconds and one min. Post-run manipulation includes re-scaling, curve tracking and selection of the part of the curve required for rate calculation. Rate is calculated using a linear regression algorithm before multiplying be the entered factor.

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