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DSH-L3/L3S Visible Spectrophotometer

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Technical Data Sheet

 I.Introduction

 DSH-L3/L3S series Visible spectrophotometers meet the daily analysis to a wide range

 of scientific applications. Instrument uses advanced and reasonable optical system,

 low noise circuit design, with excellent reliability and stability.

 

 II.Features

 1.Uses the advanced optical, mechanical and electrical design, with superior performance and cost performance.

 2.Adopts 7 inches color touch liquid crystal display, operation is flexible and convenient.

 3.Proportional dual beam monitor optical structure, high performance, low stray light "shining holographic grating",

 high-resolution monochromator with superior accuracy, reproducibility and stability.

 4.Has a unique automatic adjustment "0" adjustment "100", eight sample cell linkage.

 5.Whole wavelength scanning, scanning subband, dynamic scanning, and GOTO lambda, linear regression, direct reading

 concentration , peak detection and other advanced features.

 6.Using special thermal plotter, can print the data, with spectral scan, scan wavelength, drawing the curve of linear regression, etc.

 7.With USB interface, online with a PC directly, strengthened the instrument testing data processing functions such as,

 scanning map, implements the test documents of huge amounts of storage, also facilitate the secondary development for the user

 8.Advanced electricity protective measures, can memory test data, scanning map, revise regression equation etc., realized

 the fast boot initialization enter the test state.

 

 III.Main parameters

 1. Wavelength range: 325nm ~ 1100nm

 2. Wavelength maximum permissible error: ± 0.5nm

 3. Wavelength repeatability: ≤ 0.2nm

 4. Spectral Bandwidth: 2nm

 5. Stray light: ≤ 0.05% (T) (at 360nm, determine in NaNO2)

 6. Transmittance range: 0.0% (T) ~ 200.0% (T)

 7. Absorbance range: -0.301 (A) ~ 4.000 (A)

 8. Transmittance maximum permissible error: ± 0.5% (T) (measured in NBS930D)

 9. Drift: ≤ 0.0009A/0.5h (boot after 2h, 500nm )

 10. Transmittance Repeatability: ≤ 0.20% (T)

 11. Baseline flatness: ± 0.002A (335nm ~ 1090nm) only applies to S Series

 12. Noise: 100% (T) Noise ≤ 0.2% (T) 0% (T) Noise ≤ 0.1% (T)

 13. Scan speed: fast, medium and slow

 14. Ambient temperature: 5 ℃ ~ 35 ℃

 15. Humidity: ≤ 85%

 16. Optional printer, PC UVWin8 Software

 17. Power supply: AC220V ± 22V 50Hz ± 1Hz

 18. Rated Power: 120W

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