Haze Meter LHM-T2013

Introduction

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 stable environmental conditions. It features multichannel light detection, enabling simultaneous analysis of multiple light wavelengths. Our haze meter has extensive data storage for storing a significant number of measurement results for long-term analysis and data retrieval.

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  measures the transparency and cloudiness of a material to assess its visual quality and light transmission. It is applied in automotive industry for assessing the transparency and haze levels in headlights, windshield and other components.

Specifications

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 (λ) 2 Degree Visual Response
Transmittance Range	0 to 100%
Measurement Aperture	Φ20mm / Φ 8mm (Dual Aperture)
Other Indices	Haze ( D1003/1044, 13468), Transmittance T ()
Viewing Angle	2°
Illuminants	D 65, A, C
Measurement Time	1.5 s
Haze Resolution	0.01 unit
Haze Repeatability	Φ20 mm within 0.05
Inter- Instrument Error	Φ20 mm within 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)	290× 211 × 511 mm
Weight	7.6 kg

Features

Multiple Aperture Sizes

Wide Wavelength Range

Automatic Brightness Adjustment

 Graphical Trend Analysis

Advanced Optical Sensor 

FAQs

1. What is the significance of the integrating sphere in a haze meter?

It supplies advanced haze meters. The integrating spheres in some models to collect scattered light more uniformly and accurately. The integrating sphere captures all scattered light at multiple angles, creating a diffuse and complete representation of haze rather than a narrow-angle sample. This is especially useful when dealing with materials that scatter in multiple directions or have textured surfaces. It uses highly reflective inner coatings in these spheres to minimize absorption and maximize uniformity. Integrating spheres allow measurements that align with and standards requiring full-angle haze capture. This design is critical for high-fidelity haze assessments.

2. How does detector linearity affect the performance of a haze meter?

It haze meters rely on highly linear photodetectors to ensure that changes in light intensity produce proportionate changes in output readings. Linearity is crucial because haze is a ratio-based measurement comparing scattered to total transmitted light. If the detector response is non-linear, small intensity changes may be exaggerated or muted, skewing results. It calibrates and tests detectors for linearity across the operating light range and temperature spectrum. This stability is reinforced by signal processing algorithms that correct minor deviations. The result is consistent, trustworthy haze measurements even under varying sample opacity or light conditions.

3. What noise reduction techniques are employed in high-end haze meters?

It haze meters utilize several methods to minimize measurement noise, including optical filtering, digital averaging, temperature compensation, and signal isolation. Ambient light interference is reduced by using enclosed sample chambers and wavelength-selective filters that block stray light. We also implement high signal-to-noise ratio detectors and real-time signal averaging to smooth out transient fluctuations. In environments with electrical noise, built-in shielding and differential measurement circuits enhance stability. Combined, these features ensure accurate haze readings even at very low scatter levels. These techniques are particularly critical for applications demanding haze resolution.

4. Can haze meters distinguish between surface and bulk scattering effects?

It haze meters cannot directly isolate surface scatter from bulk scatter but can offer indirect insights when used alongside complementary techniques. Surface scattering usually results from texture, abrasion, or coatings, while bulk scattering is due to internal inclusions or crystallinity. It haze meters measure total forward scatter, but by preparing samples with controlled surface finishes or varying thicknesses, users can infer the dominant source. For more precise distinction. We recommend combining haze testing with microscopic inspection or laser scatterometry. In materials research, such combined analysis enhances understanding of optical performance and defect origin.

5. How does a haze meter maintain accuracy across different refractive indices of materials?

It supplies premium haze meters which are engineered with optical systems calibrated to minimize the influence of varying refractive indices among transparent materials. When light passes through substances like glass, acrylic, or , their refractive index determines how much light bends or scatters. models use collimated light and standardized detection angles to ensure that measurement results are not significantly biased by these intrinsic material differences. However, extreme refractive variations can still affect boundary scatter, which the haze meter will detect. It accounts for this by offering user-selectable reference modes and compensation settings. This ensures meaningful comparisons across a wide range of transparent materials.