UV visible near infrared spectrophotometer

SP-2800N UV visible near infrared spectrophotometer for architectural glass visible light transmittance and solar heat gain coefficient testing system

Applicable standards:

1. GB/T2680-2021 "Determination of visible light transmittance, direct sunlight transmittance, total solar energy transmittance, ultraviolet transmission and related window glass parameters of architectural glass";
2. ISO9050-1990 "Determination of visible light transmittance, direct sunlight transmittance, total solar energy transmittance, ultraviolet transmission and related window glass parameters of architectural glass";
3. ISO9050-2003 "Determination of architectural glass light transmittance, direct sunlight rate, total solar energy transmittance, ultraviolet transmittance and related gloss coefficient";
4. JGJ/T151-2008 "Thermal Calculation Regulations for Glass Curtain Walls of Building Doors and Windows";

Technical Parameters

Model	SP-2800N	SP-3600N
grating system	Holographic grating UV-visible, near-infrared	Two-level holographic grating UV-visible, near-infrared
Optical wavelength range	190～2800nm	190～3600nm
detector	PM+PBS detector	PM+InGaAs+PBS detector
Wavelength accuracy	UVS:±0.3nm	UVS:±0.1nm
	NIR:±1.5nm	NIR:±0.5nm
Detection method	Optical measurement method
Light source system	Deuterium lamp, tungsten halogen lamp
Wavelength Repeatability	≤0.1nm
Automatic spectral bandwidth	1, 2, 5, 10, 50nm
Stray light	< 0.01% （220nm，Nal；340nm，NaNO2）
light source conversion	Automatic switching (can be set arbitrarily within the band range of 380nm~1000nm~3600nm)
Photometric range	-4.0～4.0A
Photometric accuracy	±0.002A（0～0.5A） ±0.004A（0.5～1A）
Photometric Repeatability	±0.3%T（0～100%T） 0.001A（0～0.5A） 0.002A（0.5～1A）
Photometric baseline flatness	±0.001A（190～1000nm） ±0.005A（1000～3600nm）
Photometric baseline drift	0.0004A/h (500nm, 0A, after preheating)
Noise	±0.0004A

Accessories:

1. 100mm integrating sphere

• The reflectivity of coated polytetrafluoroethylene in visible light is better than 97%, the optical performance is stable, and the inner diameter is 100mm. It can directly test diffuse reflection and transmission; it is recommended to measure spacecraft coatings, solar panels, etc.

2. 150mm integrating sphere

• The reflectivity of coated polytetrafluoroethylene in visible light is better than 99%, the optical performance is stable, and the inner diameter is 150mm. It can directly test diffuse reflection and transmission; it is recommended to measure solar radiation absorption coefficient, solar heat gain coefficient profile measurement, ASTM and CIE color Measurement etc.

3. 270mm integrating sphere

• It adopts coated polytetrafluoroethylene and has no internal discoloration, stable optical performance, and an inner diameter of 270mm. It can directly test diffuse reflection and transmission; it is recommended to measure high scattering samples, ASTM and CIE colorimetric measurements, etc.

 

4. 8° mirror reflection attachment

• Sampling imported high-reflection lenses, dust-proof and moisture-proof treatment, the reflection value can reach 99%; it is recommended to measure specular reflection test pieces such as architectural glass and coatings.

5. Transmission variable accessories

• The light gate can be adjusted to expand fiber spectrometer measurement analysis, grain analysis, and gas analysis.

6. Universal transmission accessories

• The width can be adjusted to place different specimens and cuvettes.

Main  Features

1. Strong instrument performance: extremely excellent optical system, advanced electronic system, high-level mechanical system, ensuring ultra-low stray light of 0.010%T, high-precision PID temperature control and 24-bit voltage digital sampling.
2. Stable and reliable quality: The dual-beam dynamic feedback proportional recording photometry system ensures baseline stability. Key components such as deuterium lamps and photomultiplier tubes are all imported, ensuring the stability, reliability and long life of the instrument.
3.  Accurate measurement: Imported high-quality holographic grating is used to further reduce the stray light of the instrument and make the instrument analysis more accurate.
4.  Easy and efficient human-machine dialogue: The intelligent architectural glass designed based on Windows environment can operate the software on light transmittance, shading coefficient and hemispheric emissivity, providing a wealth of instrument control and operation functions, which is simple and easy to use, flexible, efficient and easy. Meet users' analytical needs.
5.  Excellent scalability: Optional special accessories for the reflective optical integrating sphere and special reflective devices for the shading coefficient of architectural glass greatly expand the application range of the instrument.
6.  Equipment maintenance is simple and convenient: unique socket-type tungsten lamps and deuterium lamps eliminate the need for optical debugging when changing lamps, making debugging and maintenance of equipment and instruments simpler and more convenient. The vacuum press performs oil detection.
7.  Logging function: Automatically record user operations; log files are saved in a more reliable database format; administrators can classify and review logs and perform other processing.
8.  Adopt a comprehensive optical and hemispheric emission integrated device testing system, which is cost-effective and easy to test.
9.  Quality control function: The measurement data can be monitored according to the user's settings; if the data exceeds the control range, the system will display prompt information, color mark or automatically re-measure.
10.  Report output function: It can realize the function of sharing data with other systems; the measurement results can be saved in Microsoft Word format, Microsoft Excel format, and text file format; the report format can be personalized; the result report can be previewed in advance. Printing effect.

Typical application areas

• Building energy-saving glass, automotive glass;
• Optical coating quality control;
• Optical performance platform operations and research;
• Solar thermal collection and aerospace coating testing;
• Characterization of optical performance and quality control of LCD display panels;
• Optical narrowband filters;
• Nanomaterials research.

Application

Customer site

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