Sunglasses Transmittance Tester LTRP-T310

Introduction

Sunglasses Transmittance Tester offers a spectral wavelength range of 360 to 780 nm. Its intuitive interface includes a sample positioning display and real-time report generation functions for various lens categories. The tester supports real-time software updates, keeping pace with evolving national and international test standards. It meets multiple international and regional standards such as , GB, QB, EN, , , and AS/. Our tester is widely used to evaluate the light transmission properties of various lens types, including sunglasses, protective eyewear, etc. 

This analytical equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Sunglasses Transmittance Tester is widely used to evaluate the light transmission properties of various lens types, including sunglasses, protective eyewear, contact lenses, and optical lenses. 

Specifications

Optical Wavelength	360 to 780 nm (customizable)
Transmittance (Light Transmittance) Range	0 to 100%
Spectral Resolution	1 nm/5 nm
Wavelength Accuracy	± 0.3 nm
Single Point Measurement Time	Up to 1 second
Transmittance Indication Error	Up to ±2%
Transmittance Measurement Repeatability	Up to 1%
Q Factor Indication Error	Up to 0.02
Light Spot Diameter	5 mm
Diopter Lens	Up to ±2D (1/M)
Lens TV Uniformity Calculation Band	380 to 780 nm
Uniformity Test Area Diameter	10 mm to 45 mm
Uniformity Test Position	Uniform dyeing (9 dots in a circle); step dyeing (9 dots in a square)
Voltage Power	AC 210 to 240 V, 50/60 Hz, 300 W

Features

Multiple lens type compatibility

High accuracy

Magnetic bracket system

Real-time data visualization

FAQs

1. What are the standard compliance requirements obeyed by the Sunglasses Transmittance Tester ?

The Sunglasses Transmittance Tester complies with a broad range of international and regional standards, including , GB, QB, EN, , , and AS/. It supports testing for optical lenses, sunglasses, driving glasses, protective glasses, and contact lenses according to specific country-based protocols. Standards such as 8980-3:2003, EN 12312-1:2013, Z80.3-2018, and AS/ 1067.1:2016 are integrated into the system. This ensures that the tester meets safety and optical quality requirements across global markets.

2. What are the sample test setting interface features in the Sunglasses Transmittance Tester ?

Sunglasses Transmittance Tester features an intuitive sample test setting interface that allows accurate lens alignment and bracket selection. It marks the lens test position and bracket layout, helping operators set samples quickly and correctly. This visual interface also displays spectral band selection, target light zone, and preset standard protocols. By supporting dynamic interface adjustment, the tester ensures a precise test setup for multiple lens types.

3. How do they test glasses in the Sunglasses Transmittance Tester ?

The Sunglasses Transmittance Tester uses optional test interfaces to accommodate a variety of glasses, including single lenses, contact lenses, and finished eyewear. Finished lenses are placed into the tester using specially designed magnetic brackets that hold the samples in proper alignment. During the test, it detects center lens position, shape, and optical density while analyzing visual comfort and color distortion. The tester generates reports based on critical factors like UV absorption, optical uniformity, and compliance values.

4. How does the Sunglasses Transmittance Tester perform a precise spectrum transmittance test?

The Sunglasses Transmittance Tester performs precise wide-spectrum transmittance testing that covers , ranging from 360 nm to 780 nm. It calculates transmittance, Q factor, UV integral value, TV integral value, and color space, all within a single test cycle. Its 5 mm light spot and ±0.5% transmittance accuracy guarantee high-resolution data output. The tester meets the fine spectral resolution requirement of 1 nm, enabling accurate and repeatable results.

5. Does the Sunglasses Transmittance Tester produce a global preview interface of test parameters?

Yes, the Sunglasses Transmittance Tester includes a test parameter global preview interface. This interface displays all test parameters in real-time, including UV, TV, Q factor, and colorimetric values. It enables users to evaluate lens performance visually and numerically before exporting results. The tester also supports auto-switching between standards and automatically adjusts analysis based on lens material.