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Double Beam Microprocessor UV/VIS Spectrophotometer Double Beam Microprocessor UV/VIS Spectrophotometer
Double Beam Microprocessor UV/VIS Spectrophotometer
Double Beam Microprocessor UV/VIS Spectrophotometer

Double Beam Microprocessor UV/VIS Spectrophotometer

Product Details:


Product Description


DOUBLE BEAM UV-VIS Spectrophotometer with more accuracy and flexible requirements. The two

detectors are used to measure sample and reference respectively and simultaneously for optimizing

Measurement accuracy. It has wide wavelength range satisfying requirement of various fields, such as

biochemical research and industry, pharmaceuticals analysis and production, education, environment

Protection, food industry etc.


Wide Wavelength range, satisfying requirements of various fields.

Fully automated design, realizing the simplest measurement & satisfying the requirement of pharmacopoeia.

Maximum of 9 Wavelength & 8 samples can be measured at one time.

Automatic change-over between T lamp & D2 lamp.

Optimized optics and large scale integrated circuits design, light source and receiver from world famous measurement methods all add up to high                performance and reliability.

Rich measurement methods: wavelength scan, time scan multi-wavelength determination, multi-order derivative determination, double-wavelength              methods and triple-wavelength methods etc, meet difference measurement requirement.

Automatic 10mm 8-cell holder.

Data Output can be obtained via a printer port and a USB interface.

Parameters and data can be saved for user's convenience.

PC controller measurement can be achieved for more accurate and flexible requirement.


Basic Mode         To measure the absorbance and transmittance

Quantitative         1.Coefficient Method

                 2.Standard Curve Up Standard may used to establish a curve. Four methods for fitting a curve through the calibration points:                                                  Linear fit. Linear fit through zero, Square fit the cubic fit.

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

Wavelength Scan 1.The wavelength scan intervals are 0.1,0.2,0.5,1,2.5 nm

                 2.High, Medium and low scan speed are available. They vary from 100 to 3600 nm/min

                 3.Wavelength are scanned from high to low so that the instrument waits at high WL. And it minimizes the degradation of UV                                                    sensitive samples. 

Kinetics               Abs vs time graphs is display 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 second and one min. Post-run manipulation includes re-scalling, curve tracking the                                                         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.


Optical SystemDouble Beam, Grating 1200 lines/mm

Wavelength Range        190nm - 1100nm

Spectral Bandwidth         1nm

Wavelength Accuracy<=+/0.1nm (656.1nmD2),<=+/0.3nm(full wavelength Range)

Wavelength Repeatability0.1nm

Photometric Accuracy±0.3%T(0-100%T)

Photometric Repeatability0.001Abs(0~0.5Abs)

Photometric Range        -0.3A~3A

Stray Light       <=0.02%T(220nm,nal,340nm NaMO2)

Stability               Â±0.0004 A/H@500nm

Baseline Flatness       Â±0.001A

Noise       0.0003 A/H

Scanning Speed       Fast, Mid, Slow

Wavelength Setting       AUTO

Keyboard              Membrane Keypad

Light Source      Deuterium & Tungsten Lamp

Wavelength Resolution      0.1nm

Photometric Mode      A,T,C

Detector              Imported Silicon Photodiode

Interface              USB Portandparallelport (Printer)

Power      AC 220V/50Hz or AC 110V/60Hz

Dimension      590x460x220mm

Weight      25kg

Drift              <=+/0.0004A bs/h

Cell Holder      8 Cell Holder


Operating Manual 1 no.

Glass Cell 4 no.

Quartz Cells2 no.

Dust Cover1 no.

Software Cover1 no. 

Software CD  

Software Manual1 no.

USB Cable1 no.

Software Key1 no.

Power Cable1 no.


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