UV visible near infrared spectrophotometer

SP-G2800 UV visible near infrared spectrophotometer

Product Description:

Mainly used for research and analysis of building sunshade and translucent and semi-transparent materials.

Test Methods:

1.       JG/T280-2010 Test method for shading performance of building sunshade products

2.       JGJ/T151-2008 Thermal calculation procedures for building doors, windows and glass curtain walls

3.       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".

Test specimen types:

1.       Building sunshade soft roller blinds (internal and external sunshade test pieces, glass test pieces with built-in sunshade);

2.       Blinds (external and internal sunshade specimens, glass specimens with built-in sunshade).

Technical Parameters

Model	SP-G2800
Wavelength range	190~2800nm
Wavelength accuracy	±0.3nm (automatic calibration at startup);
Wavelength Repeatability	≤0.2nm
Automatic spectral bandwidth	0.1, 0.5, 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~780nm~2800nm);
Photometric range	-4.0～4.0A;
Noise	±0.0004A;
Overall dimensions	650mm*350mm*950mm;
Test piece size	150mm*90mm;
Integrating sphere size	100mm.

Test indicators:

1.       Normal direct sunlight transmittance, material transmission coefficient, reflection coefficient, visible Light transmittance of sunshade specimen;

2.       Scattering-scattered transmittance of sunshade louvers;

3.       Direct-direct light transmittance of sunshade louvers;

4.       Direct-scattered transmittance of sunshade louvers;

5.       Visible light transmittance and reflectance of flat glass.

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, 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, photomultiplier tubes,

and receiving systems are all imported, ensuring the stability, reliability, and long life of the instrument;

3. Accurate measurement: Imported high-quality holographic three-grating is used to further reduce the stray light of the instrument and make the instrument analysis more accurate;

4. An integrating sphere device can be added to facilitate testing and analysis of diffuse reflection materials;

5. High-precision grating control servo device, precise control and high measurement accuracy;

6. The device reserves a wireless upload interface for data upgrade from the main station.

Application

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