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Address
Wanjiang District Ideal 0769
Tianjin Flora Automation Technology Co., Ltd
Wanjiang District Ideal 0769
GBT39552.2 Sunglasses Light Transmittance Tester
working principle
The measurement principle of the center transmittance measurement device for eyeglass lenses is as follows: the ultraviolet and visible spectra emitted by the light source are separated by a grating, filtered by a monochromator, and then transmitted through a slit, a collimated light tube, and a lens group to the photoelectric sensor. The optical signal is converted into an electrical signal, and the analog signal is converted into a digital signal for data acquisition. The signal is amplified and sent to a microcomputer through a USB port for processing, automatically measuring the visible and ultraviolet transmittance of the lens; Transmittance of sunglasses lenses; The transmittance of the driver's mirror and performance indicators such as traffic signal recognition, yellow index, blue light transmittance, etc
Technical Specifications
Can simultaneously test the performance of light transmittance and blue light transmittance.
Wavelength range: 200nm to 1100nm
Allowable wavelength error: ± 0.3nm
Wavelength repeatability: ≤ 0.2nm
Transmittance measurement range: 0-999%
Allowable error of transmittance: ± 0.3%
Transmission density repeatability: ≤ 0.15%
Baseline flatness: ± 0.001A
Spectral bandwidth: 2nm
Test samples: Both single lens and finished lens can be tested
GBT39552.2 Sunglasses Light Transmittance Tester
Applicable standards (each standard is a newly released version)
International standards:
ISO8980.3、EN1836-2005、EN167、EN ISO12313(欧标)、ANSI Z80.3(美标)、JIST7333、AS/NZS1067、AS/NZS1337.1...
National standards: GB10810.3, GB11417, QB2659, QB2457, QB2506-2017, QB2659, GB/T14148
