| Haze Rate Measuring Range | 0 to 30.00% |
| Haze Rate Minimum Value | 0.01% |
| Haze Rate Measurement Accuracy | 0.1% when H is up to 0.5% and 0.3% when H is greater than 0.5% |
| Haze Rate Measurement Repeatability | 0.5% when H is up to 0.5% and 0.1% when H is greater than 0.5% |
| Light Transmittance Rate Measuring Range | 0 to 100.0% |
| Light Transmittance Rate Minimum Value | 0.1% |
| Light Transmittance Rate Accuracy | 1 % |
| Light Transmittance Rate Repeatability | 0.5% |
| Preheating Time | 1 min |
| Sample Size | Inlet window: Ф 25 mm Outlet window: Ф 21 mm |
| Internal Illumination Source | DC12V 50W tungsten halogen light source + color temperature chip |
| Observation Light Source | C, A, D65 |
| Power Supply | AC 220 V, 50 Hz |
Multiple continuous testing
Automatic operation
Versatile sample size compatibility
Silicon photoelectric cell as receiver
Compact design
Our Haze and Transmittance Meter LHM-B10 is used in industries such as plastics, packaging, coatings, and inks to measure material clarity and light diffusion. It is essential for quality control, research, and development, ensuring compliance with transparency and haze standards.
Fixture × 1 set
Power cord × 1 piece
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Haze And Transmittance Meter LHM-B10 Catalog
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Haze And Transmittance Meter LHM-B10 Manual
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’s Haze and Transmittance Meter is designed to test the optical properties of various transparent and semi-transparent materials. It is commonly used for plastic films, sheets, coatings, packaging films, and inks. These materials are widely used in industries such as packaging, automotive, electronics, and research laboratories, where clarity and light diffusion are critical factors. The meter helps manufacturers ensure their products meet the required transparency and haze standards for optimal performance and aesthetics.
Our Haze and Transmittance Meter measures haze and transmittance using a collimated illumination system combined with an integrating sphere. It directs a light source through the sample, and a silicon photoelectric receiver detects the transmitted light. By analyzing the intensity and scattering of light, the system calculates the transmittance percentage, which represents the amount of light passing through the material, and the haze percentage, which indicates the level of light diffusion. This method ensures precise and consistent results, making it suitable for industrial and research applications.
This Haze and Transmittance Meter requires a preheating time of approximately one minute before it is ready for testing. This brief warm-up period ensures that the light source and electronic components reach a stable operating condition, preventing fluctuations in measurement accuracy. The quick preheating time makes the device efficient for routine quality control checks in industrial environments.
Yes, our Haze and Transmittance Meter features an advanced automatic operating system that simplifies the testing process. The instrument can automatically switch between haze and transmittance measurements, perform necessary corrections, and analyze data with a built-in microcomputer processing system. Additionally, it supports multiple continuous tests and calculates average values, ensuring efficient and reliable operation with minimal user intervention.
Labtron’s Haze and Transmittance Meter is equipped with a BCD code serial output print interface, which allows users to connect the device to external printers or data storage systems. This feature enables seamless recording of measurement results, making it easier to track quality control data over time and generate reports for analysis. The ability to print or store results helps industries maintain accurate documentation for compliance with regulatory standards.
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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