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Whiteness Measurement

Portable Whiteness Meter

Portable Yellowness Meter

Expert Whiteness Analysis

ASTM E313 ISO 2469 ISO R457 TAPPI Brightness

Portable Whiteness Meter

Product Description:

Qualtech Products Industry Portable Whiteness Meter is a professional test instrument for laboratory and research to measure, evaluate and analyze the Whiteness and Yellowness of solid samples, liquids, fluids, powders, creams, pastes and many more. This new precision Portable Whiteness Meter is designed as a synergy of precision, high quality, newest microchip technology and newest sensor technology to ensure high precision and high accuracy, portability, ergonomics, reliability, extensive battery life, stability and longevity.

This precision Portable Whiteness Instrument is designed and engineered offering three different light sources, D65 light source, D50 light source and A light source, combined with a large easy to read LCD display with back light, large data memory, extensive battery life, auto calibration and seamless PC-Connectivity to best meet your individual test requirements in laboratory and in the field.

The Whiteness is presented as ISO R457 value, the Yellowness is presented as YI value.

The Whiteness of samples and Whiteness Index is the degree of which a color is white, e.g. paper industry, paint, textiles. The Whiteness has been defined in the standard ASTM E313, ISO R457, ISO 2469.

The Yellowness of samples is the degree by which a color changes from white to yellow. The Yellowness has been defined in the standard ASTM E313 and relates to samples which are for example ‘near-white’.

This Portable Whiteness Test Instrument is a result of dedicated research and testing during the development and design period to deliver a precision whiteness test instrument and yellowness test instrument of preferred choice for laboratory, research and quality management.

This Portable Whiteness & Yellowness Meter is designed offering the newest multi-channel color sensors combined with the newest microchip technology to calculate, evaluate the Whiteness and Yellowness of your samples fast, efficiently with high accuracy.

The seamless PC-Connectivity and the PC Software offer additional features for measurement data analysis, data documentation, data presentation, data sharing and advanced data storage.

Additional advanced features of this Portable Whiteness Meter are advanced self-calibration, color difference analysis, color difference cumulative analysis, chromaticity index determination, advanced sample database management, simulating object colors, determine metamerism and many more features.

This precision Whiteness Meter and Yellowness Meter delivers precision performance, high quality and reliability combined with an ergonomic design and a user-friendly menu navigation and helpful programming features. Conveniently determine the Whiteness and Yellowness of your samples with the press of a single button.

This Portable Whiteness Meter is designed and engineered in accordance with international testing standards, e.g. ASTM E313 (Standard Practice for Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates), ISO R457, ISO2469, TAPPI Brightness.

Portable Whiteness Meter – Features:

1. Precision Measurement Performance

  • The average fluctuation of △E is in the range of less than 0.03-0.06
  • Ergonomic Design to support stable handling and accurate measurements

2. Flexible and Accurate Locating

  • Camera Locating can solve the problem of locating a small sample area for color analysis. This professional Whiteness Meter can analyze the color of solid samples as small as 4mm
  • Conveniently measures the whiteness and yellowness of liquid samples, powders, pastes and creams
  • Illumination Locating is a fast, simple and convenient locating feature to ensure a fast and reliable color measurement

3. More Measurement Modes

  • Three measuring apertures for more flexibility
  • Five color spaces for more color schemes selections
  • Three light sources for high accuracy and high precision

4. PC Software — Realize More Function & Expansion

  • Color Difference Analysis
  • Color Difference Cumulative Analysis
  • Chromaticity Index
  • Color Sample Database Management
  • Simulating Object Colors
  • Many more features

5. Advanced Power Management Design

  • High capacity Li-ion rechargeable battery
  • More than 3000 color measurements on a single charge to ensure portability and use

6. Ergonomic Design and User-Friendly Programming

  • Auto White and Black Calibration at startup
  • Structure & Design in line with ergonomics
  • User-friendly Menu Navigation & User-interface
  • Comfortable to hold and convenient to use

Portable Whiteness Meter – Additional Advantages:

Whiteness Test Instrument

Portable Whiteness Meter – Available Models:

  • QPI-180D Handheld Whiteness Meter

Portable Whiteness Meter – Accessories:

  • QPI-181 Powder Test Component (Used to analyse Powders)
  • QPI-182 Universal Test Component (Used to analyse Liquids, Creams and Pastes)
  • QPI-183 Mini Printer (Thermoprinter for printing)
Whiteness Measurement
Yellowness Measurement

Handheld Whiteness Meter

Handheld Whiteness Test Instrument

ISO Brightness Measurement

Expert Whiteness Analysis

ISO R457 ISO2469

Handheld Whiteness Meter

Product Description:

Qualtech Products Industry Handheld Whiteness Meter is a precision test instrument to evaluate the Whiteness and Brightness of your samples.

The Brightness of samples in accordance with ISO R457, ISO 2469 is often referred to as ISO Brightness and TAPPI Brightness, it measures the amount of light is reflected from samples in a specific range of the light spectrum. The Whiteness Index is the  degree of which a color is white. The level of Whiteness is an important property for product design, production and quality management, e.g. paper industry, paint industry, textile industry, food industry, cosmetic industry.

This professional Handheld Whiteness Meter offers the newest microchip technology to ensure high accuracy and high precision combined with an ergonomic design for comfortable handling and a large LCD display with back light for user-friendly and convenient application in your laboratory and in the field.

This Handheld Whiteness Meter is designed and engineered offering a D65 light source and conveniently presents the Whiteness and Brightness of your samples in R457 values on the large LCD display with the press of a single button.

This precision Whiteness Meter is the ideal instrument for your laboratory and for brightness measurements in the field to fast, and efficiently determine the TAPPI Brightness of your samples and to best meet your individual test requirements for research and quality management.

This Handheld Whiteness Meter is designed and engineered in accordance with international testing standards to ensure high precision and high accuracy, e.g ISO R457, ISO 2469.

Portable Whiteness Meter – Features:

  • Newest Microchip Technology for High Accuracy & High Precision
  • Newest Light Technology to measure Whiteness including Fluorescent  Surfaces
  • Newest Light Source which doesn’t need to be replaced
  • Convenient Auto-Calibration
  • Power Saving & Long Battery Life
  • Measures up to 10.000 samples on a single battery
  • User-friendly & Ergonomic Design to ensure comfortable application
  • Determines the Whiteness of Solids & Powders with the press of a single Button

Handheld Whiteness Meter – Specifications:

ModelQPI-HWM150
Newest Microchip Technology for High Accuracy & High Precision
Newest Light Source Technology which doesn't require to replace the Light Source
Measuring Angle45°
Measurement Range0 - 199.9
Measurement StandardISO R457
ISO 2469
Blue-Whiteness
Applied FormulaWhiteness of Blue Light
Light SourceD65
Accuracy1.2%
Repeatability0.2%
Long Battery Life & Reliable Design
Please click here for details about the Professional Handheld Colorimeters:
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