DW-L8 Double Beam UV-VIS Spectrophotometer, DRAWELL (CAT#: STEM-S-0005-CJ)

Highlights

New optical platform, enabling the host machine with excellent optical properties, metering performance, low stray light and noise, high metering accuracy, and stability.
The unique system of deuterium and tungsten lamp installation, facilitates the light source to automatically switch to the best position and allows 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 the following functions, including automatic scanning of the measured spectrum, multi-wavelength (1-3 λ) measurement, kinetic measurement, 1-3 curve fitting, 1-4 derivative spectra, spectra printing and storage and data analysis.

Cat Number: STEM-S-0005-CJ

Application: Used in susceptibility testing, medicine and health, biochemistry, environmental monitoring, commodity inspection, petrochemical, and other fields.

Model: DW-L8

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Description Specification Features Related Products

Description

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

Specification

Photometry: Double Beam
Monochromator Type: Czerny-Turner
Focal Length: 200mm
Grating: 1600 lines/mm
Detector: Silicon Photocell
Spectrum Bandwidth: 2nm
Wavelength Setting: 8-inch color touch-screen
Wavelength Range: 190-1100nm
Wavelength Accuracy: ±0.3nm(actual test ±0.2nm ）
Wavelength Repeatability: ≤0.1nm
Scanning Speed: Fast-Medium-Slow
Stray Light: ≤0.02%T (at 220nm NaI, 360nm NaNo2)
Photometric Range: 0.0-200.0% T; 0.301-4.000 A; 0.000-9999 C
Photometric Accuracy: ±0.3% T; ±0.002 Abs (0-0.A); ±0.004 Abs (0.5-A)
Photometric Repeatability: ≤0.15% T; 0.001 Abs (0-0.5A); 0.002 Abs (0.5-1A)
Noise: 100% (T) noise≤0.1%(T), 0% (T) noise≤0.02%(T)
Power: AC220V±22V 50Hz±1Hz, 200W
Packaging Size: 730mm X 630mm X 450mm 0.21M3 42.5kg

Features

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