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Direct reading spectrometer parameters (wavelength range / optical resolution, etc.)

Release time: 2019-11-19 11:05:39 Click: 1077

What do the parameters of the direct reading spectrometer stand for and what their meanings are, let's take a look at these parameters together.
Wavelength range  
波长范围是决定光栅型号的首先要考虑的重要参数。 When selecting the optimal configuration for a spectrometer system, the wavelength range is the first important parameter to consider when determining the type of grating. 600 线 / 毫米的光栅(请看光谱仪产品一节中的光栅选择表)。 If you need a wider wavelength range, we recommend you use a 600 line / mm grating (see the grating selection table in the spectrometer product section). Another important element is the choice of detector.

直读光谱仪参数波长

Direct reading spectrometer parameters

Optical resolution
,我们建议您选择 1200 线 / 毫米或者更高线对数的光栅,同时选择窄狭缝和 2048 3648 像素的 CCD 探测器。 If you need high optical resolution , we recommend you choose a grating with a line number of 1200 lines / mm or higher, and choose a narrow slit and a 2048 or 3648 pixel CCD detector. ST4000 光谱仪,可以选择 10um 狭缝来获得最佳分辨率。 For example, for the ST4000 spectrometer, a 10um slit can be selected to obtain the best resolution.  

直读光谱仪参数分辨率

Direct reading spectrometer parameter resolution
3.Sensitivity  
,重要的是要区分开是光度学中的灵敏度(光谱仪所能探测到的最小信号强度是多少?)还是化学计量学中的灵敏度(光谱仪能够测量到的最小吸收率差)。 Speaking of sensitivity , it is important to distinguish between sensitivity in photometry (what is the minimum signal intensity that a spectrometer can detect?) Or sensitivity in chemometrics (the difference in minimum absorption that a spectrometer can measure).
4. Measurement time and data transmission speed  
The data acquisition capability of the spectrometer can be greatly improved by using an array-type detector and not using moving components. However, there are optimized detectors for each specific application. For applications that require fast response, we recommend the CX-9800 spectrometer, which is by far the most versatile spectrometer.

下一篇: 全谱直读分析仪为何可以满足炉前分析? Previous: Spectral Analysis-"Fingerprints" of Elements Next: Why Can Full Spectrum Direct-Reading Analyzer Meet Front-of-Further Analysis?

hot key words:

Direct Reading Spectrometer

High frequency infrared carbon and sulfur analyzer

Spark direct reading spectrometer

Portable spectrometer

Photoelectric direct reading spectrum analyzer


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