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DOUBLE BEAM UV VIS SPECTROPHOTOMETER MODEL L9 L8

2019-01-19

L9.jpg

The L9/L8 double beam UV-VIS spectrophotometer applies a new optical bench, with 5-speed adjustable bandwidth (9 only), ARM chip control and data processing, 8-inch color touch-screen which displays menu and spectral curve and can analyze spectrum test data. It’s quite easy for user and computer interaction. The instrument can perform following operations, including photometry, automatic scanning spectral measurement, quantitative analysis, dynamic analysis and multi-wavelength measurement.

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

Feature

l  New optical platform, enabling the host machine with excellent optical properties, metering performance, low stray light and noise, high metering accuracy and stability.

l  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 safety.

l  Sophisticated hardware and software design, empowering the instrument with powerful spectral data processing and storage capabilities, performing following functions, including automatic scanning of measured spectrum, multi-wavelength ( 1-3 λ) measurement, 1-3 curve fitting, 1-4 derivative spectra, spectra printing and storage and data analysis.

l   8-inch color touch-screen, with a good user machine interface, easy to operate.

l  USD communication port

Specifications


L9

L8

photometry

Double   beam

Monochromatic type

Czerny-Turner

Focal length

200mm

Grating

1600   lines/mm

detector

Silicon   photocell

Spectrum bandwidth

0.5nm,   1nm, 2nm, 4nm, 5nm

2nm

Wavelength setting

8-inch   color touch screen

Wavelength range

190-1100nm

Wavelength accuracy

±0.3nm

Wavelength repeatability

0.1nm

Scanning speed

Fast-medium-   slow

Stray light

0.02%T   ( at 220nm Nal, 360nm NaNo2)

Photometric range

0.0-200.0%T, -0.301-4.000A, 0.000-   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

≤±0.0008A(200-1090nm)

Noise

100%Tnoise0.1%T   0% (T)noise0.02%T

Drifting

0.004Abs/h(250nm   and 500nm after 2h warm up)

COM port

USB

Light source

Hamamatsu   D2 lamp, Osram halogen   tungsten lamp

Power

AC220V±22V   50Hz±1Hz, 220V

Packing size

740*630*450mm   0.21m³ 35kg

Standard accessories

Operation manual 1

Glass cuvette 1cm 4pcs

Quartz cuvette 1cm 2pcs

Power cable 1

Fuse

Optional accessories

UV WIN8 Spectrum data processing software

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