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Glass Light Transmittance/Shading Coefficient Testing System

Product Item : ZY-SL500
Category： Other
Transmittance
Absorbance
Reflectance
Energy
Product description：Measure visible light transmittance/reflectance, direct solar transmittance/reflectance/absorptance, total solar energy transmittance, ultraviolet transmittance, shading coefficient, light-solar heat
INQUIRY

Applicable Standards

GB/T 2680-2021 Determination of Visible Light Transmittance, Direct Solar Transmittance, Total Solar Energy Transmittance, Ultraviolet Transmittance and Related Window Glass Parameters for Architectural Glass
ISO 9050-2003 Glass in building — Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors
JGJ/T 151-2008 Code for Thermal Calculation of Windows, Doors and Glass Curtain Walls
JJG178-2007 Verification Regulation of Ultraviolet, Visible and Near-Infrared Spectrophotometers

Product Overview

The ZY-SL500 Building Glass Visible Light Transmittance & Shading Coefficient Verification System is designed in accordance with the national standard GB/T 2680-2021. It is designed to test parameters including visible light transmittance and shading coefficient of architectural glass.

Product Application

Measure visible light transmittance/reflectance, direct solar transmittance/reflectance/absorptance, total solar energy transmittance, ultraviolet transmittance, shading coefficient, light-solar heat ratio and other relevant window glass parameters of various architectural glass products.
Test transmittance and reflectance of other materials within the wavelength range of 190～3200 nm.

Technical Parameters

Item	Specification
Operating Wavelength Range	190～3200 nm
Scan Modes	Transmittance, Absorbance, Reflectance, Energy
Wavelength Accuracy	±0.5 nm (UV/VIS); ±2 nm (NIR)
Wavelength Repeatability	±0.2 nm (UV/VIS); ±1 nm (NIR)
Sampling Interval	0.1 nm, 0.2 nm, 0.5 nm, 1 nm, 2 nm, 5 nm, 10 nm
Photometric Range	0.300～2.5 A
Photometric Accuracy	±0.3%T (0-100%T) (UV/VIS)
Photometric Repeatability	0.2%T
Spectral Bandwidth	0.2 nm-10 nm
Stray Light	≤0.2%T (220 nm)
Overall Dimension	830x600x260 mm

Product Features

Adopts classic Czerny-Turner optical structure with high precision and excellent spectral resolution.
Dual-grating design covers full UV-VIS-NIR wavelength bands.
Imported deuterium lamp and tungsten lamp from Japan, featuring wider wavelength coverage, stronger light source energy, stable performance and long service life.
Dual imported detectors from Japan realize stable detection across UV-VIS-NIR bands with low signal interference.
Imported stepping motors from Japan deliver precise control with high resolution and accuracy.
Advanced electronic circuit design with automatic high-voltage control and real-time dark current correction, enabling fast sampling speed, high precision, strong anti-interference and shorter testing cycle.
Multiple built-in optical filters effectively suppress stray light.
Unique monochromator control system ensures high resolution and measurement accuracy.
All optical lenses are customized by well-known domestic optical cold processing manufacturers.
Fully computer-controlled with plug-and-play USB2.0 interface for fast communication and easy installation.
7 optional slit widths for flexible configuration according to actual testing demands.
Full Chinese operation software automatically calculates test results and exports test records with user-friendly interactive interface.