Introduction
A haze meter is an optical instrument used to measure the haze and luminous transmittance of transparent and translucent materials, such as films, sheets, glass, and plastics, and it is used for quality control and material characterization in the optical, packaging, and manufacturing industries. Haze is the percentage of transmitted light that is scattered by more than a specified angle, typically 2.5 degrees, from the direction of the incident beam, and it causes a milky or cloudy appearance in otherwise transparent materials; the haze meter measures the total light transmitted through the sample and the light scattered at small angles, using an integrating sphere or a goniometric detection system, and it calculates the haze value, the luminous transmittance, and sometimes the clarity, according to standards such as ASTM D1003 and ISO 14782. Haze meters are used in the plastics and film industry for quality control of films, sheets, and molded parts, such as packaging films, optical films, and display screens; in the glass industry for architectural and automotive glass; in the lighting industry for diffusers and lenses; and in research and development for developing new optical materials. They are available as benchtop instruments with integrated spheres and as portable meters for on-site measurement, with features such as automated measurement, standard compliance, and data output. With their importance in assessing optical quality, haze meters are essential instruments for measuring haze and clarity of transparent materials.
Haze Meter LHM-T2010
Haze Meter features a dual light source with an accuracy of 0.1%. It analyzes test results, customizes haze judgments, and exports multiple test reports to Excel. The Haze Meter complies...
Haze Meter LHM-T2012
Haze Meter offers a transmittance range of 0 to 100 %, enabling precise evaluation of material transparency for quality control and optical analysis. The device has a concave grating opt...
Haze Meter LHM-T2011
Haze Meter features a sample size thickness of <105mm, enabling precise evaluation across a wide range of materials. It offers multiple aperture sizes to accommodate samples of varied sh...
Haze Meter LHM-T2010
Haze Meter offers a wavelength range of 400 to 700 nm, enabling precise evaluation of material transparency and haze within the full range of visible light. It has integrated temperature...
Haze Meter LHM-T2010
Haze Meter offers a wavelength range of 400 to 700nm for precise measurement of visible light transmission and haze in transparent materials. It features multiple aperture sizes, allowin...
Haze Meter LHM-T2014
Haze Meter offers haze repeatability of Φ20 mm, within 0.15, minimizing fluctuations through precise optical design and a stable light source. The device includes advanced light sensiti...
Haze Meter LHM-T2013
Haze Meter offers a sphere size of Φ154 mm, providing optimal light scattering for precise haze analysis across various materials. The device includes a temperature control panel for st...
Haze Meter LHM-T2012
Haze Meter offers an aperture size of Φ20mm / Φ15mm / Φ 8mm / Φ4mm, providing an assessment of light diffusion and transmittance in transparent materials. It features an automatic er...
Haze Meter LHM-T2011
Haze Meter features a 2° viewing angle for precise measurement aligned with standard observer conditions for accurate visual assessment. It includes advanced filter technology, improvin...
Haze And Transmittance Meter LHM-T2010
Haze and Transmittance Meter offers measuring range that includes a light transmittance rate of 0 to 100% and a haze rate of 0 to 30%. It operates using a collimated illumination system ...
Haze Meter LHM-T2010
Haze Meter uses -A, -C, and light sources to measure haze and transmittance. It supports a broad chromaticity index range, including A, C, D50–D75, F1–F12, and more. This complies with...
Color & Haze meter LHM-T2011
Color & Haze meter is used for haze and transmittance measurement. It has open measurement area with no limit on sample size, can carry out vertical measurements as well. It comes with d...
Standards
ISO 13803:2014-Paints and varnishes-Determination of haze on paint films at 20 degrees
ASTM D1003-21-Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics
Complies with the above standards, but is not limited to them.
Features
1. Haze meter for measuring haze and transmittance of transparent and translucent materials.
2. Integrating sphere design for accurate measurement of light scattering and transmission.
3. Suitable for plastics, films, glass, displays, packaging and automotive materials.
4. Measures total transmittance, diffuse transmittance and haze percentage.
5. Includes light source, integrating sphere, sample holder, detector and analysis software.
FAQ
Q1: What testing scenarios is this meter mainly applied to?
A: The haze meter is used in plastics manufacturing, film production, glass industry, display manufacturing, packaging, automotive, optical materials and quality control laboratories to measure the haze and transmittance of transparent and translucent materials including plastic films, sheets, glass, display panels, packaging materials and optical components. It supports quality control of transparent plastic products, film clarity evaluation for packaging, glass and glazing optical performance testing, display panel haze and transmittance verification, automotive glazing and interior material testing, and optical material characterization. Haze measurement quantifies the scattering of light passing through a material, affecting clarity and appearance. It is essential for plastics, film, glass, display, packaging and automotive manufacturers and testing laboratories requiring accurate haze and transmittance measurement for product quality control, specification compliance, material development, process optimization and customer acceptance, where optical clarity directly affects product appearance, performance, consumer perception and regulatory requirements for transparent and translucent materials in industrial, packaging, automotive and electronic applications.
Q2: What standards does the haze meter comply with?
A: The haze meter follows ASTM D1003 for haze and transmittance of transparent plastics, ISO 14782 for plastics haze, ISO 13468 for transmittance, and relevant GB/T standards. The instrument complies with relevant laboratory safety standards. Calibration should use certified haze and transmittance reference standards traceable to international standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole haze meter is covered by a 12-month warranty. The light source, integrating sphere, detector and controller are covered, while bulbs, standards and sample holders are consumables or accessories. Damage from improper use or unauthorized repair is excluded. Extended service contracts are available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires basic training in optical measurement, sample preparation and instrument calibration. We provide an operation manual and remote guidance. Proper sample handling, calibration, measurement technique and result interpretation are important for accurate haze and transmittance results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with certified haze and transmittance reference standards recommended every 6-12 months. Routine verification with a standard before each measurement session for critical quality control. Light source replacement per usage hours. Integrating sphere condition verified periodically. Full performance verification annually for accredited laboratories.
Q7: Are supporting consumables universal?
A: Light bulbs, reference standards and sample holders are available from specialized suppliers, though instrument-specific parts should be verified. Long-term consumable cost is low to moderate depending on usage.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes measurement aperture, light source type, sample holder configuration, automation level and software features. Additional standards, holders and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the haze meter and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged for quality control laboratory setup. Remote guidance is provided.
Q10: What types of samples are compatible with this equipment?
A: The haze meter measures haze and transmittance of flat, transparent or translucent samples including plastic films, sheets, glass, display panels and packaging materials within the sample size and thickness range. Curved, textured or very thick samples may require special handling or may not be suitable. Samples should be clean, flat and free of scratches or defects that could affect measurement. Users should follow the standard test method including sample preparation, measurement geometry and calibration, use certified reference standards for calibration, ensure proper sample placement without air gaps, measure multiple areas for representative results, and report both haze percentage and total transmittance as required by the applicable standard for complete optical characterization.
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