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- 产品名称：UV-Vis spectrophotometer
- 产品型号：754N
- 产品展商：Shanghai Chi Tang
- 产品文档：无相关文档
简单介绍
Adopt the advanced holographic blazed grating monochromator wavelength, has high precision, good monochromaticity, low stray light.
产品描述
Product description:?
Is a can adapt to the modern analysis laboratory using the spectral analysis method of material spectrophotometry needs low price and high performance of qualitative and quantitative analysis of various projects. Widely used in environmental protection, food industry, petroleum and chemical
Engineering, biochemistry, and quality control departments of colleges and universities.?
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Characteristic：
Adopt the advanced holographic blazed grating monochromator wavelength, has high precision, good monochromaticity, low stray light.
- a key to realize the automatic zero adjustment and full adjusting function.
The process and components of strict selection, to ensure that the instrument measurement system of low drift and low noise, measurement. The instrument has the superior reproducibility and stability.
Big screen character LCD display.
The printing data and print time.
The method of undetermined coefficients and the coefficients of the input of two concentration linear regression calculation.
Unique automatic elimination of cuvets error function.
- equipped with high-speed thermal printer
- with the software UVWin7 Use, expand the instrument function.
-? UVWin7 The software package (optional).
The main technical indicators:
The wavelength range; 200nm ~ 1000nm
The maximum allowable error - wavelength : 2nm.
- wavelength repeatability : = 1nm
The transmission ratio of the maximum permissible error : + 0.5% (T) (determined by NBS930D)
The proportion of complex transmission That is less than or equal to 0.2% (T)
The spectral bandwidth: 4nm
The stray light 0.3%: (T) (at 220nm, determined by NaI, at 360nm, determined by NaNO2 )
- stability: dark current drift That is less than or equal to 0.2% (T) /3min on the current drift is less than or equal to 0.5 (T): /3min