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Yanzhi Spectrophotometer Model: CHT-3400

Photovoltaic applications

CHT-3400 UV visible near-infrared spectrophotometer (glass shading coefficient visible light transmission ratio detector) is specialized for photovoltaic.

Glass-designed spectrophotometer measuring and detection device. The instrument is composed of light source, sample room, detector, accessories, etc. With computer control and specially designed operation software (based on GB / T2680-20), the performance index and measurement curve of photovoltaic glass are 2021.


光伏应用

Surveillance project

1) Visilight transmission ratio and reflection ratio of photovoltaic glass film layer;

2) Direct solar transmission ratio, direct reflection ratio, direct absorption ratio, total solar transmission ratio of the photovoltaic glass film layer; shading coefficient;

3) The UV-ray transmission ratio and reflection ratio of the photovoltaic glass film layer;

4) Band-gap test of photovoltaic glass film layer.

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  • Product Features
  • Technical Parameters

This instrument adopts computer control and specially designed software function, which can intuitively get the relevant measurement of the building glass.

Energy index and measurement curve. Easy operation, stable and reliable work, data preservation and print output of original test data.

 

1) Structure principle: This instrument is mainly composed of light source, monochromator, sample chamber, detector, test accessories, etc;

2) Light source part: The wavelength range of this instrument covers the UV-visible and near-infrared bands, using deuterium and tungsten lamps providing UV and visible near-red, respectively illuminant. Where the deuterium lamp provides a light of 190nm – 360nm. The tungsten lamp provides 360nm-3300nm, and the switching between the deuterium lamp and the tungsten lamp is automatically completed by switching between the mirror;

3) Monochrome section: This instrument adopts double monochromatic device structure, and its double monochromatic device adopts C-T type optical separation system, and adopts double grating spectral light.two Gratings were separately applied in different wavelength ranges, grating 1 operating band 190nm – 850nm, grating 2 operating band 850nm – 3300nm, The conversion between the two gratings is accomplished by the switching device of the gratings;

4) Sample room: The instrument is double beam with the reference light path inside the equipment and the outside of the equipment. During the test, after placing the corresponding test accessories, place the reference sample and test sample according to the test procedure;

5) Detector section: This instrument is selected in the receiver because the wavelength range is 190nm-3300nm, including the UV-visible and near-infrared band. Photomultiplier tubes receive UV-visible light and lead sulfide receives near-infrared light;

6) Test attachment: The test accessory consists of transmission accessory, mirror reflection accessory and standard mirror.

1) using the classical Czerny-Turner optical structure with a simple structure, high accuracy and high spectral resolution;

2) The design of double grating and double receiver is adopted to ensure that the working band of the instrument can cover the full band of ultraviolet visible and near-infrared area (UV-VISNIR);

3) The control of the instrument (such as grating conversion, filter conversion, receiver conversion, wavelength scanning, etc.) is all controlled by the computer, the interface is USB2.0, and the connection of the instrument is simple, which greatly improves the communication rate;

4) All Chinese operation software, simple and easy to understand. The software sets the import function, which can import the text format data, measure the sample data in real time, and the test results can be data exported;

5) Software can operate under Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10 systems;

6) Wavelength range: 190-3300nm;

7) Wavelength accuracy: UV-Vis±0.3nm; Nir ± 1nm;

8) wavelength repeatability: UV-Vis≤0.2nm; Nir≤0.5nm;

9) Spectral bandwidth: UV / Vis 0.2-5nm; Nir 0.8-20nm;

10) Photometric accuracy: ± 0.3%;

11) Photometric repeatability: 0.2%;

12) Photometric range: 0-3A;

13) Sampling interval: 0.1nm,0.2nm,0.5nm, 1nm, 2nm, 5nm, 10nm;

14) Miscellaneous light: 0.2%T (360nm, 420nm);

15) Stability: ± 0.002A / hr @500nm, 0A;

16) Configure the integral ball: the diameter of the integral ball is 60mm;

17) Working mode: transmittance, reflectivity, spectral energy, absorbance;

18) Status display: LED real-time status indicator light;

19) Grating: diffraction grating 1200L / mm (UV / VIS); 300L / mm (NIR);

20) Light source: deuterium lamp (manually turn off the deuterium lamp function), tungsten lamp;

21) Measurement method: transmission and reflection;

22) Receiver: PMT, PbS;

23) ARM Processor; 24-bit dual-channel high-speed AD;

24) Sample chamber size: 200mm * 200mm * 220mm (length, width and depth);

25) Configuration: transmission accessories, reflection accessories, integrators, computers.

Solutions

 IEC61215

IEC61730

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