Haze Meter LHM-T2010

Introduction

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, allowing accurate measurement of samples with different shapes and dimensions. The system includes a built-in rechargeable battery for improved portability and extended operations. Our haze meter consists of a 256-pixel dual array image sensor to ensure high-resolution detection of light intensity and scattering.

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

Haze Meter quantifies light scattering to measure the degree of haze or cloudiness in transparent materials. It is widely used in the glass and optics industry to maintain high-quality clear glass and to control the quality control of optic components. 

Specifications

Wavelength Range	400 to 700nm
Sphere Size	Φ154 mm
Illumination Source	400 to 700 nm Combined Light Source
Inductor	256 Pixel Dual Array Image Sensor
Wavelength Interval	10nm
Half Bandwidth	10nm
Transmittance Range	0 to 200%
Measurement Aperture	Φ20mm / Φ15mm / Φ 8mm / Φ4mm
Color Spaces	, , Yxy, LCh, , s- , βxy
Color Difference	ΔE ab, ΔE 94, ΔE cmc (2:1), ΔE cmc (1:1), ΔE × 00
Other Indices	Haze ( D1003/1044, 13468), T (), T() WI ( E313, / , , Hunter), YI ( D1925, 313)
Viewing Angle	2° / 10°
Illuminants	D 65, A, C, D50, D55, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12
Measurement Time	1.5 second
Haze Resolution	0.01 unit
Haze Repeatability	Φ20 mm Aperture, less than 0.08
Inter –Stage Difference	Φ20 mm Aperture, less than 0.4
Data Storage	Standard: 5000, 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)	290× 211 × 511 mm
Weight	7.6 kg

Features

Spectral Haze Analysis

Integrated Light Sensor

Temperature Control Panel

Automatic Error Detection

Advanced Filter Technology 

FAQs

1. How can user calibrate haze meter and how often it should be done?

It supplies advanced haze meters. Calibrating a haze meter involves using certified reference standards with known haze and transmission values, often provided by the instrument manufacturer. The calibration process ensures that the instrument’s readings align with these traceable values, correcting any deviations caused by drift or component aging. Many haze meters include a step-by-step calibration mode or auto-calibration feature for user convenience. Daily or pre-use verification with a quick-check standard is recommended, especially in high-volume production settings. Full calibration should be performed monthly or quarterly, depending on the intensity of use and quality control requirements. It’s important to conduct calibration under stable lighting and temperature conditions. Proper documentation of calibration activities supports audit trails and compliance. Keeping the instrument clean and regularly maintained also prolongs accuracy between calibrations.

2. What factors affect the accuracy of a haze meter?

haze meters accuracy can be influenced by several technical and environmental factors. These include the stability of the light source, alignment of optical components, and the sensitivity and calibration of photodetectors. Improper sample positioning or surface contamination like dust or fingerprints can lead to inaccurate readings. External conditions such as ambient light or temperature fluctuations may also affect the measurement, especially in non-enclosed haze meters. Over time, components can drift, requiring periodic recalibration to maintain precision. Material properties, such as thickness and inherent scattering behavior, can also affect how the haze meter interprets the data. Advanced haze meters are designed to minimize these variables and offer more consistent performance. Regular maintenance and calibration are key to sustaining measurement reliability.

3. In which industries is a haze meter commonly used and for what applications?

haze meter is used across industries where optical transparency and surface quality are critical. In the plastics and packaging industry, it ensures that materials meet visibility and aesthetic standards. Automotive manufacturers rely on haze meters to test windshields, dashboard panels, and headlamp covers. Electronics and display industries use them to evaluate touchscreens, protective films, and lenses. Medical device packaging requires haze meter testing to ensure clarity for visibility and sterility. Glass manufacturers test coating effects and process control using haze meters. In solar energy, haze meters help assess film materials for light efficiency. Across these sectors, haze meters serve as essential tools in quality control, R&D, and regulatory compliance. Their versatility makes them indispensable in both lab and production environments.

4. Can a haze meter accurately measure tinted or colored samples?

haze meter can measure tinted or colored samples, but special considerations are needed to maintain accuracy. Color pigments absorb certain wavelengths of light, which can distort haze readings by affecting total transmission and scattering ratios. To compensate, some haze meters use narrow-band light sources or spectrally neutral optics. Advanced models may include software algorithms that adjust readings based on sample tint. It’s important to use color-matched standards when calibrating the haze meter for such materials. For reliable results, samples should be consistent in thickness and color density. Not all haze meters handle colored materials equally well, so checking manufacturer specifications is essential. With proper settings and calibration, haze meters can provide accurate results even for pigmented plastics or films.

5. Can a haze meter be integrated into an automated production line?

Yes, modern haze meters can be integrated into automated or inline production systems for real-time quality control. These haze meters often come with industrial interfaces. Integration allows continuous monitoring of product transparency without interrupting the manufacturing process. Some models include robotic sample handling or conveyor-mounted sensors for hands-free testing. Software can trigger alerts if haze values exceed set tolerances, enabling immediate corrective action. This capability is especially useful in high-volume production environments like film extrusion or bottle manufacturing. Automating haze meter measurements enhances productivity, consistency, and reduces the risk of defective products reaching customers.