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Help CenterDSHV-1900 Double Beam UV. Spectrophotometer
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DSHV-1900 Double Beam UV. Spectrophotometer
1.The newly designed excellent optical system , high-performance holographic blazed grating, to ensure the instrument of low stray light.
2.Double beam metering system, with advanced circuit tt&c system.,make the instrument with high stability and low noise
(1)Instrument Function:
1.Photometric measurements: simultaneous measurements at a wavelength of 1-6 of transmittance and absorbance.
2.Spectral measurement: in the wavelength range for transmission, absorbance and energy spectrum scanning, and various data processing such as peak and valley detection, derivative computation, spectrogram operation, etc.
3.Quantitative measurement: single wavelength, dual wavelength, three wavelength and multi-wavelength measurement . 1 ~ 9 work curve (1 ~ 4 times) regression.
4.Dynamic measurement: time scanning of transmittance and absorbency in any set of wavelengths and may carry on various data operations.
5.Data output: can undertake data file and parameter file access, the measured results are output in standard data file format .
(2)Main features:
1.The newly designed excellent optical system , high-performance holographic blazed grating, to ensure the instrument of low stray light.
2.Double beam metering system, with advanced circuit tt&c system.,make the instrument with high stability and low noise.
3.Automatic control systems, advanced design concepts to ensure that instrument with high reliability and stability.
4.Removable structure of sample room design, easy to replace different attachments.,to satisfy different analysis demand.
5.Capacious open source chamber design, make the light source change more convenient.
6.Key components are of high quality, guarantee the high reliability of the instrument performance.
7.English and Chinese operating software under Windows environment,with many patent technology, provides abundant unique analysis capabilities.
3)Technical Parameters:
Wavelength range: |
190 nm-1100nm |
Light source: |
Tungsten lamp and Deuterium Lamp |
Optical system: |
Double beam 1200 line plane grating |
Wavelength accuracy: |
<= +/-0.1nm(656.1nm D2); <= +/-0.3nm(full wavelength range) |
Wavelength repeatability: |
<=0.1nm |
Wavelength resolution |
0.1nm |
Stray light: |
<=0.02%T (220 nm, NaL , 340nm NaNO2) |
Photometric range: |
-3A- 3A |
Noise: |
<= 0.0003 Abs/h |
Baseline straightness: |
<= +/-0.001A |
Spectral bandwidth: |
2 nm (UV1901 PC 1nm) |
Drift: |
<= +/-0.0004 Abs/h |
Photometric accuracy: |
+/-0.3%T(0-100%T) |
Photometric repeatability: |
0.001Abs (0-0.5Abs) |
Measurement Mode: |
transmittance, absorbency, energy, reflection |
Scanning speed: |
Fast, Mid, Slow |
Wavelength and the setting mode |
Arbitrarily set |
Keyboard: |
Membrane keypad |
Detector: |
Silicon photovoltaic |
Data output: |
Printer or USB export |
Power: |
AC 220V/50Hz or AC 110V/60Hz |
Main engine Weight: |
52kg |
Instrument size: |
658*468*264 |
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