| Transmittance Range | 0 to 100 % |
| Sphere Size | Φ154 mm |
| Optical Geometry | Transmittance: 0/D (Parallel Light Illumination, Diffuse Viewing) |
| Illumination Source | 400 to 700 nm Combined Light Source |
| Inductor | PD Array Detector CIE (λ) 2 Degree Visual Response |
| Measurement Aperture | Φ20mm / Φ 15mm / Φ 8mm / Φ4mm (Select Single Aperture) |
| Sample Size | Thickness less than 105 mm |
| Other Indices | Haze (ASTM D1003/1044, ISO 13468), Transmittance T (ISO), Transmittance T (ASTM) |
| Viewing Angle | 2° |
| Illuminants | D 65, A, C |
| Measurement Time | 1.5 s |
| Resolution | 0.01 unit |
| Repeatability | Φ20 mm aperture, less than 0.1 |
| Inter- Instrument Error | Φ20 mm aperture, less than 0.4 |
| Data Storage | Standard:1000, Sample:20000 |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to -50°C |
| Power Consumption | 24 V DC, 3A Power Adapter |
| Dimensions (L× W× H) | 487 × 260 × 298 mm |
| Weight | 8.0 kg |
Histogram Data Display
Large Data Storage Capacity
High Measurement Repeatability
Extended Illumination Lifespan
Wide Operating Temperature Range
Haze Meter LHM-D12 measures the degree of light scattering in transparent materials, indicating their clarity and transparency. It is widely used in film, display screen processing for lamination verification, measuring screen cover clarity, and material comparison.
Accessories Name | Quantity |
0 % Calibration Box | 1 |
Aperture | 1 |
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Haze Meter LHM-D12 Catalog
Labtron Haze Meters offer unmatched accuracy and effectiveness for assessing transparency in a variety of items. They have intuitive software, touch screens that are easy to operate, and streamlined procedures. Their diverse light sources provide versatility, and their open measuring surfaces may handle a range of sample sizes. These include extensive color analysis and adaptable fixtures to improve quality control. Our haze meters are crucial for accurate transmittance and clarity testing because of their enormous storage capacity.








Labtron supplies advanced Haze Meter. Multilayer or coated materials can present measurement challenges due to internal light scattering between layers. However, modern haze meters are capable of analyzing such materials accurately, especially if they are optically bonded or uniformly layered. The key is ensuring the layers do not introduce excessive interference or refraction that skews results. Anti-reflective coatings, textured surfaces, or adhesives can affect light and increase haze readings. Some haze meters feature optical systems or software algorithms designed to reduce these effects or compensate for them. Consistent sample orientation and preparation are crucial when measuring multilayer materials. Manufacturers often test both coated and uncoated sides separately to evaluate coating performance.
Labtron haze meters are crucial for controlling the diffusion of light, which directly affects the performance and appearance of light fixtures, diffusers, and screens. Haze measurement helps ensure that light is evenly distributed without undesirable glare or hot spots. For products like LED covers, light panels, or automotive headlights, manufacturers use haze meters to evaluate how effectively materials scatter light and maintain uniformity. By testing different optical materials and coatings, haze meters help engineers design products with optimal light transmission and diffusion. This is important for applications requiring high-quality visual output, such as in retail lighting, architectural designs, or automotive lighting systems, where both functionality and aesthetic appeal matter.
Labtron supplies advanced models of haze meter. Sample preparation is crucial for obtaining accurate haze measurements. Any surface contamination-such as fingerprints, dust, or grease can interfere with the light scattering, leading to incorrect readings. Samples should be cleaned thoroughly with appropriate solvents, and handled carefully to avoid introducing foreign particles. The thickness and flatness of the sample are also important factors-irregularities or warping can affect light transmission and scattering. Additionally, proper alignment and positioning of the sample within the haze meter’s measurement area ensure consistent and repeatable results. Following standard operating procedures for sample preparation is essential for reliable haze measurements, especially in high-precision industries like automotive and electronics.
Labtron’s haze meter is widely used in food packaging, the clarity and transparency of materials are critical for both functionality and consumer appeal. Haze meters are used to measure the transparency of films, containers, and bottles, ensuring that the packaging provides the desired level of visibility while protecting the product inside. Excessive haze could indicate poor material quality, inconsistent manufacturing processes, or contamination, which could lead to reduced shelf appeal or impaired product visibility. By using haze meters, manufacturers can ensure that packaging materials meet strict clarity requirements without compromising on durability or barrier properties. This quality control process is especially important in industries like beverages, fresh produce, and pharmaceuticals, where packaging plays a significant role in product marketing and consumer trust.
Labtron’s Haze meters play a crucial role in the quality control of optical lenses, ensuring that lenses used in eyeglasses, cameras, microscopes, and other optical devices meet high transparency standards. Excess haze in optical lenses can distort light, affecting the clarity of images or the precision of optical instruments. By accurately measuring the amount of light scattered by the lens material, haze meters help manufacturers assess and maintain the optical quality of lenses. This is particularly important for high-precision applications where even slight distortions can lead to significant performance issues. Regular haze testing ensures consistent production quality, supporting both product functionality and customer satisfaction in the optical industry.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608