Sunglasses Transmittance Tester LTRP-T312

Introduction

Sunglasses Transmittance Tester offers a wavelength range of 360 to 1700 nm, which covers UV to regions. It is equipped with advanced a 5 mm light spot diameter that meets standard requirements for uniform testing. The tester is capable of full-band spectrum testing, supporting indicators like TV integral value, Q factor, UV integral, and color space. Its bracket interface is intuitive, reducing test setup time and improving accuracy. Our Tester is widely used for light transmission properties of various lens types, including sunglasses, protective eyewear, contact lenses, and optical lenses.

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 a high-precision device engineered to evaluate the light transmission properties of various lens types, including sunglasses, protective eyewear, contact lenses, and optical lenses.

Specifications

Optical Wavelength	360 to 1700 nm (customizable)
Transmittance (Light Transmittance) Range	0 to 100%
Spectral Resolution	5 nm
Wavelength Accuracy	± 0.3 nm
Single Point Measurement Time	Up to 1.55 seconds
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

Wide spectral range

multiple standard parameters

global preview interface

Compact design

FAQs

1. What test parameters are available in the Sunglasses Transmittance Tester ?

The Sunglasses Transmittance Tester offers a full-band test within the test area, enabling comprehensive optical evaluation of sunglass lenses. It provides a wide range of test parameters, including TV integral value, UV integral value, Q factor, color limits, and Lab color space metrics. These parameters ensure conformity with international standards and allow precise assessment of lens clarity, protection level, and color accuracy.

2. How does the Sunglasses Transmittance Tester evaluate different types of glasses?

The Sunglasses Transmittance Tester is designed with optional test interfaces that support a variety of eyewear, including single lenses, contact lenses, and finished sunglasses. It uses magnetic brackets that securely position the lenses for proper alignment and measurement accuracy. During testing, the device detects parameters such as lens center position, shape, and optical density, while also analyzing color distortion and visual comfort. The tester automatically calculates and records critical performance metrics like UV absorption, optical uniformity, and compliance indicators.

3. Does the Sunglasses Transmittance Tester provide a global test parameter preview interface?

Yes, the Sunglasses Transmittance Tester features an advanced global preview interface for real-time display of all test parameters. It presents UV, TV, Q factor, and colorimetric values visually and numerically during the testing process, offering clear performance insight at a glance. This intuitive interface allows users to review, interpret, and export results with ease. The tester also supports auto-switching between international standards, automatically adjusting test protocols based on the lens type.

4. 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.

5. 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.