DSH-UV757 UV-Vis Spectrophotometer

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DSH-UV757 UV-Vis Spectrophotometer
Posting date : May 14, 2014
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Free Member Scince Jul 18, 2013
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85-
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Detailed Description
I.Host function Adopts microcomputer measuring system, T-A conversion, automatic adjustment 0% (T) and adjustment 100% (T), with GOTOλ, joint 8 sample holder automatically , the error of cuvette automatically deducted , multi-point calibration, the slope and intercept settings and other functions, with RS232 interface and parallel printer port (printer-specific, separately optional). II.Online features: Through the RS232 serial interface, you can use the upper software for full wavelength scan, time scan, the regression equation (1, 2, 3 times), multi-wavelength testing, and greatly expanded testing capabilities (besides the host function). III.Technical parameters: 1. Wavelength range: 200nm ~ 1000nm 2. Light source: Tungsten halogen lamp 12V20W (import) DD2.5 deuterium lamp (Import) 3. Receive components: photovoltaic cells 4. Wavelength maximum permissible error: ± 0.5nm 5. Wavelength repeatability: ≤ 0.2nm 6. Spectral bandwidth: 2nm 7. Stray light: ≤ 0.3% (T) (at 220nm and 360nm, in NaNO2) 8. Transmittance range: 0.0% (T) ~ 200.0% (T) 9. Absorbance range: -0.301 (A) ~ 4.000 (A) 10. Transmittance maximum permissible error: ± 0.5% (T) ( NBS930D) 11. Transmittance repeatability: ≤ 0.2% (T) 12. Noise: 100% noise ≤ 0.5% (T) 0% noise ≤ 0.2% (T) 13. Stability: ≤ 0.004A/30min 14. Power supply: AC220V ± 22V 50Hz ± 1Hz

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