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Advance Microprocessor UV-V+ISSpectrophotometer Single Beam LI-295
Applications
The perfectly designed single beam UV-VIS SPECTROPHOTOMETER successfully realizes high accuracy and reliable measurement to meet various application requirements. It can be used extensively for qualitative and quantitative analysis in such field as biochemical research and industry, pharmaceutical analysis and production, education, environmental protection, food industry, clinical examination, sanitation and ant epidemic etc. The UV-VIS LI-295 series provides excellent application functions without sacrificing accuracy and precision. It's an ideal instrument for various applications.
SALIENT FEATURES
Large LCD Screen
Can display and save 50 groups of data, 5 groups per screen.
Data can be restored after sudden power cut
Auto setting wavelength
Tungsten lamp and deuterium lamp can be turned on/off individually to extend lifetime
Automatic WL. Calibration and dark current getting.
Technical Specifications
Wavelength Range 190-1000nm
Spectral Bandwidth 2 nm
Optical System Single Beam, Grating 1200 lines/ mm
Photometric Range -0.3-3.5, 0 to 220% T
Wavelength Accuracy ± 1 nm
Wavelength Repeatability 0.3% T
Wavelength Setting Auto
Photometric Accuracy ± 0.5% T
Photometric Repeatability 0.3% T
Photometric Range. -0.3-3A, 0-200% T
Stray Light $ 0.3% T
Stability <0.002A/h (at 500nm,after warming up)
Detector Silicon photodiode
Display 128*64 dots LCD
Standard Cell Holder 4-position 10mm cell changer
Light Source Tungsten and Deuterium lamp
Output USB Port & Parallel port (printer)
Power Requirements AC 85- 250V
Dimensions 420 x 280 x 180 mm
Weight 12kgs
* Design & specification are subject to change without any prior notice.
Advance Microprocessor UV-V ISSpectrophotometer Single Beam LI-295
 
Microprocessor UV-VIS Spectrophotometer Double Beam LI-2800/2802
Applications
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 vide wavelength range satisfying requirement of various fields. Such as biochemical research and industry, pharmaceuticals analysis and production, education, environment protection. food industry etc. Model LI-2800 with single cell cuvettes holder Model LI-2802 with 8 cell cuvettes holder
Technical Specifications
Optical System Double Beam (1200 Lines/mm Grating)
Wavelength Range 190-1 lOOnm
Mode Basic/Quantitative/Wavelength Scan/
Scanning Speed Fast/Medium/Low
Band Width I nm
Wavelength Accuracy ± O.lnm
Wavelength Repeatability 0.1 nmC
Photometric Accuracy ± 0.3 %T
Photometric Repeatability 0.2 %T
Photometric Display Range 0-200 % T. -0.3-3.0 A, 0-9999 CC
Stability 0.001 A/h@ 500 nm
Baseline Flatness ±0.001 A
Noise ±0.001 A
Stray Light < 0.05 % T @ 220 nm. 360 nm
Data Output Port USB
Printer Port Parallel Port
Display Graphic LCD (320*240 Dots )
Lamps Deuterium Lamp & Tungsten Halogen Lamp
Detector Silicon Photodiodes
Packing Dimension 790x590x370mm (LxWxH)
Net Weight 26 kg
Microprocessor UV-VIS Spectrophotometer Double Beam LI-2800/2802
 
Microprocessor UV-VIS Spectrophotmeter
Double Beam I-2902 (Eight Cell Holder)
Applications
The perfectly designed double beam UV-VIS SPECTROPHOTOMETER successfully realizes high accuracy and reliable measurement to meet various application requirements. It can be used extensively for qualitative and quantitative analysis in such field as biochemical research and industry, pharmaceutical analysis and production, education, environmental protection, food industry, clinical examination, sanitation and ant epidemic etc.
SALIENT FEATURES
Wide wavelength range, satisfying requirements of various fields.
Fully automated design, realizing the simplest measurements & satisfying the requirements of pharmacopoeia.
Maximum of 9 wavelengths & 7 samples can be measured at one time.
Automatic change- over between & D2 lamp
Optimized optics and large scale integrated circuit design, light source and reciver from world famous measurements all add up to high performance and reliability.
Rich measurements method: wavelength scan, multi-wavelength determination, multi-order derivate determination, double-wavelength method and triple-wavelength method etc. meet different measurement requirement.
Automatic 10mm 8cell holder.
Data output can be obtain via a printer port and a RS-232 interface.
Parameters and data can be saved for user's convenience.
PC controlled measurement can be achieved for more accurate and flexible
Technical Specifications
Wavelength Range 190-1100nm
Spectral Bandwidth 1 nm
Working Mode T.A.C.E
Optical System Double Beam
Scanning Speed Fast/ Medium/ Slow
Photometric Range -0.3-3.5, 0 to 220% T
Wavelength Accuracy ± 0.3nm
Wavelength Reproducibility <0.10nm
Photometric Accuracy ± 0.3% T (0~0.1A) ± 0.002A (0~0.1A)
Photometric Reproducibility <0.15% T
Stray Light <0.1% T (Nal.220nm, NaNo2 340nm )
Baseline Flatness ± 0.002A
Stability <0.001A/h (at 500nm,after warming up)
Noise ± 0.001A (at 500nm,after warming up)
Detector Dual silicon photodiode
Display 6 inches high light blue LCD
Power AC 220 ± 10%,50 Hz
Dimensions 630 x 470 x 210 mm
Weight 26kgs
Accessories
Glass Cells 16 No.
Quartz Cells 4 No
Fuse 3 No
Instruments Cover 1 No
Software CD 1 No
RS 232 Cable 1 No
Operation Manual 1 No
* Design & specification are subject to change without any prior notice.
* OEM option available
Microprocessor UV-VIS Spectrophotmeter
WAIOMETRA & SONAR ARE REGISTERED BRANDS OF ASSOCIATED SCIENTIFIC TECHNOLOGIES DELHI (INDIA)
call now bullet +91-11-40578224 (Mktg Office) bullet +91-11-23612985 (Sales Office) bullet sales@associatedscientific.com  
 
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