Whiteness Meter LWM-T2011

Introduction

Whiteness Meter offers an incidence angle of 45/0, capturing both color and surface appearance for visually accurate whiteness readings. It has a moisture-resistant design for reliable operation in humid or damp environments. The system applies a blue-light whiteness formula to accurately measure brightness with consistent alignment. Our whiteness tester features a long-lasting light source, ensuring consistent measurement accuracy over the device’s operational lifetime.

This test 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

Whiteness Meter quantifies a surface or powder’s whiteness by measuring blue-light reflectance. It plays a key role in ceramics, chemical material, printing inks, and dyeing industries for ensuring uniform whiteness.

Specifications

Incidence Angle	45/0
Measurement Range	0 to199.9
Whiteness Formula	Whiteness of Blue Light
Light Source	D65
Repeatability	0.2
Power Supply	1.5V AA
Weight	300 g

Features

Fluorescent Whiteness Measurement

Calibrated White Board

Quick Measurement Cycles

Pocket-Sized Portability

Low Power Consumption

 

FAQs

1. Can whiteness meter measure other properties?

Yes. whiteness meter double as spectrophotometers, measuring brightness (reflectance at approximately 457?nm), opacity, transparency, and chromaticity. Advanced units also derive absorption/scattering coefficients and quantify content per 15397. Portable models support data logging and pass/fail functionality, enabling more comprehensive quality control in paper, textile, plastic, food, and construction material industries.

2. What factors affect measurement accuracy of whiteness meter ?

It supplies advanced whiteness meter .Measurement accuracy can be influenced by surface characteristics—glossy or uneven textures reflect light unpredictably—and ambient light interference. Sample preparation, including cleanliness and orientation, can also introduce variation. Instrument drift due to lamp aging or sphere discoloration can cause baseline shifts. UV-filter control is vital when measuring fluorescent materials. To ensure consistent results, use controlled environments, clean optics, and adhere strictly to standard measurement geometries and protocols.

3. How do I choose the right whiteness meter?

It supplies advanced whiteness meter .Selecting an appropriate whiteness meter depends on your application. Choose a model designed for your material type—paper, textiles, plastics, or powders. Confirm support for relevant standards ( 2470/2469, E313, ). For fluorescent materials, ensure UV filter control. Match instrument geometry (45°/0° or integrating sphere) to sample type. Consider whether a portable handheld device or benchtop system suits your workflow. Review features like data storage, connectivity, connectivity (/Bluetooth), and durability to ensure a tool that aligns with your quality-control needs.

4. Can whiteness meter be integrated into production lines for inline measurement?

Yes, It supplies advanced whiteness meter .These systems often feature conveyor integration or robotic positioning and provide real-time feedback for process control. Inline meters typically share core measurement principles with benchtop models but are ruggedized and designed for continuous operation. They include automated calibration routines, UV compensation, and centralized data logging to maintain quality without manual intervention—making them ideal for large-scale manufacturing.

5. How do I prepare powder or granule samples for whiteness testing?

It supplies advanced whiteness meter . For powders, starch, sugar, or granules, compaction into a tablet or insertion into a powder sample holder is required before measurement. Ensure homogeneous particle size and consistent packing density to avoid air gaps and uneven surface reflection. Many instruments specify sample mass (e.g., ??5?g) and container dimensions to standardize readings. Thorough shaking and leveling of the powder improves repeatability, and cleaning the aperture after each measurement prevents residual interference