Sunglasses Transmittance Tester LTRP-T311

Introduction

Sunglasses Transmittance Tester offers a precise spectral range from 280 to 980 nm, making it ideal for UV and visible light testing. It has interchangeable magnetic test brackets that are easy to use and replace for different sample types. sample testing interface that shows lens bracket positions clearly for easy alignment. Its test chamber is designed to avoid ambient light interference for enhanced measurement stability. Our Tester is widely used to evaluate the light transmission properties of various lens types, 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 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	280 to 980 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

Global preview interface

Multiple standard parameters

High spectral resolution

Compact design

FAQs

1. 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.

2. What regions are covered by the Sunglasses Transmittance Tester ?

The Sunglasses Transmittance Tester covers a spectral range from 360 nm to 980 nm, making it suitable for analyzing both ultraviolet (UV) and visible () light regions. Its wide spectral range also supports specialized evaluations such as blue light and driving lens performance tests.

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

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.

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. 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.