I.Introduction
DSH-UV751GD ultraviolet visible spectrophotometer is the latest model of 751 series instrument, detection circuit by single chip microcomputer, it has kept all the advantages of the 751 series , and its own superior characteristics at the same time, more wide wavelength range, better stability, lamp power supply with the host together, intellectualized operation more convenient.
II.Purpose
For physics, chemistry, biology, medicine, pharmacology and other disciplines for scientific research, for the chemical industry, food industry, pharmaceutical industry, metallurgical industry, petroleum industry, clinical medical technology, environmental protection and other departments for precise qualitative and quantitative analysis, determination of various substances in the ultraviolet region, the visible and near infrared region absorption spectra of various substances qualitative and quantitative analysis.
III. Features
1.Auto-zero, auto-tune full scale, linear regression, direct reading.
2. Light power and host integration.
3. Ultraviolet wavelengths up to 195nm.
4. Dynamic test timed print data.
5. Slit continuously adjustable.
IV.The main technical parameters:
1. Wavelength range: 195nm ~ 1000nm
2. Wavelength scale interval: 195nm ~ 250nm 1 grid 0.2nm;
250nm ~ 350nm 1 grid 0.5nm; 350nm ~ 450nm 1 grid 1.0nm;
450nm ~ 600nm 1 grid 2.0nm; 600nm ~ 1000nm 1 grid 5.0nm
3. Wavelength maximum permissible error: A section (195nm ~ 340nm) ± 1.0 nm;
Section B (340nm ~ 900nm) ± 4.0 nm;
Section C (900nm ~ 1000nm) ± 4.0 nm
4. Wavelength repeatability: A section (195nm ~ 340nm) ≤ 0.5;
Section B (340nm ~ 900nm) ≤ 2.0; Section C (900nm ~ 1000nm) ≤ 2.0;
5. Transmittance range: 0.0% (T) ~ 110.0% (T)
6. Absorbance range: -0.041 (A) ~ 2.000 (A)
7. concentration measurement range: 0 ~ 9999 (C)
8. Regular print time: 3 s ~ 255s dividing the value of 1s
9. Print: 1 ~ 99 times
10. Slit width: 0 ~ 2mm
11. Power supply: AC220V ± 22V 50H z ± 1H z
