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Double Beam UV-VIS Spectrophotometer L9/L8

The L9 model features a new optical bench, 5-speed adjustable bandwidth, ARM chip control, and an 8-inch color touchscreen for easy data analysis. It supports photometry, spectral scanning, quantitative analysis, dynamic analysis, and multi-wavelength measurements. Ideal for quality control, research, and fields like medicine, biochemistry, and environmental monitoring.
Modles : L8、L9
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Applies a new optical bench, with 5-speed adjustable bandwidth (L9 only), ARM chip control and data

processing, 8 inch color touch screen displays menu and spectral curve and can analyze spectrum test data. It’s quite easy for user and computer interaction. It can perform following operations, including photometry, automatic scanning spectral measurement, quantitative analysis, dynamic analysis, and muti-wavelength measurement.

The instrument serves as the basic equipment for quality control, technical evaluation and scientific research, and can be widely used in susceptibility testing, medicine and health, biochemistry, environmental monitoring, commodity inspection, petrochemical and other fields.

 

Features:

  • New optical platform, enabling the host machine with excellent optical properties, metering performance, low stray light and noise, high metering accuracy and stability.
  • Unique system of deuterium and tungsten lamp installation, facilitating the light source to automatically switch to the best position, and allowing users to operate the instrument, replace the light source and maintain the instrument more conveniently , accurately and safely.
  • Sophisticated hardware and software design , empowering the instrument with powerful spectral data processing and storage capabilities , and performing functions, including automatic scanning of measured spectrum, multi-wavelength ( 1~3λ) measurement, kinetic measurement, 1~3 curve fitting, 1~4 derivative spectra, spectra printing and storage and data analysis.
  • 8-inch color touch screen, with a good user-machine interface, easy to operate.

Specifications :

Model L8 L9
Spectrum Bandwidth 2nm or 1nm 0.5nm, 1nm, 2nm, 4nm, 5nm
Display 8 inch color touch screen
Wavelength Range 190-1100nm
Monochromator Type Czerny-Turner
Grating 1600 lines/mm
Detector Silicon Photocell
Wavelength Accuracy ± 0.3nm
Wavelength Repeatability ≤ 0.1nm
Wavelength Scanning Speed Fast, medium and slow
Focal Length 200mm
Stray Light ≤ 0.02% (measured by NaI at 220 nm) (measured at NaNO2 at 360 nm)
Photometric Range 0.0 ~ 200.0% T / -0.301 ~ 4.000A / 0.000 to 9999C
Photometric Accuracy: ± 0.3% T / ± 0.002Abs (0 - 0.5A) / ± 0.004Abs (0.5 - 1A)
Photometric Repeatability: ≤ 0.15% T / 0.001Abs (0 - 0.5A) / 0.002Abs (0.5 - 1A)
Baseline Flatness ≤ ± 0.0008A(200-1090nm)
Noise 100%(T) noise ≤ 0.1% (T), 0% (T) noise ≤ 0.02% (T)
Baseline Drift ± 0.0004 Abs / h (250nm and 500nm after preheat warm up for 2 hours )
Power AC220v± 22v, 50Hz± 1Hz, 200W
Light Source Hamamatsu D2 lamp, Osram halogen tungsten lamp.
COM Port USB
Packing Size 740mm*630mm*450mm, 0.21m³, 35kg.
Standard accessory Instrument 1pc; manual 1pc; Power cable 1pc; Fuse 2pc;Quartz cuvette 1cm 2pc
Optional accessory UV WIN8 Spectrum data processing software
Model L8 L9
Spectrum Bandwidth 2nm or 1nm 0.5nm, 1nm, 2nm, 4nm, 5nm
Display 8 inch color touch screen
Wavelength Range 190-1100nm
Monochromator Type Czerny-Turner
Grating 1600 lines/mm
Detector Silicon Photocell
Wavelength Accuracy ± 0.3nm
Wavelength Repeatability ≤ 0.1nm
Wavelength Scanning Speed Fast, medium and slow
Focal Length 200mm
Stray Light ≤ 0.02% (measured by NaI at 220 nm) (measured at NaNO2 at 360 nm)
Photometric Range 0.0 ~ 200.0% T / -0.301 ~ 4.000A / 0.000 to 9999C
Photometric Accuracy: ± 0.3% T / ± 0.002Abs (0 - 0.5A) / ± 0.004Abs (0.5 - 1A)
Photometric Repeatability: ≤ 0.15% T / 0.001Abs (0 - 0.5A) / 0.002Abs (0.5 - 1A)
Baseline Flatness ≤ ± 0.0008A(200-1090nm)
Noise 100%(T) noise ≤ 0.1% (T), 0% (T) noise ≤ 0.02% (T)
Baseline Drift ± 0.0004 Abs / h (250nm and 500nm after preheat warm up for 2 hours )
Power AC220v± 22v, 50Hz± 1Hz, 200W
Light Source Hamamatsu D2 lamp, Osram halogen tungsten lamp.
COM Port USB
Packing Size 740mm*630mm*450mm, 0.21m³, 35kg.
Standard accessory Instrument 1pc; manual 1pc; Power cable 1pc; Fuse 2pc;Quartz cuvette 1cm 2pc
Optional accessory UV WIN8 Spectrum data processing software

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