Whiteness and chromaticity tester LWACT-T2010

Introduction

Whiteness and chromaticity tester is based on a D/0 geometry with a 150 mm diffuser and a 30 mm test aperture, ensuring uniform illumination. It offers excellent stability of less than equal to 0.1 within 30 minutes for high-precision applications. This system supports measurements in both and Hunter color systems (L, A, b), offering versatility for various industry standards. It is a reliable tool for industries requiring meticulous color and whiteness control.

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

Our Whiteness and chromaticity tester is used to measure color values, brightness, whiteness in papermaking, printing, ceramics, chemicals, textile printing and dyeing, building materials, food, salt and other industries.

Specifications

Sample (size) length	Diameter ≥30 mm, Thickness ≤ 40 mm
Measurement mode	Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L , A, b
Stability	≤ 0.1 within 30 min
Accuracy	Chromaticity co-ordinate 0.0001
Repeatability	Rx, Ry and Rz s ≤ 0.1 chromaticity co-ordinate s ≤ 0.0010, R457 s ≤ 0.10
System	D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150 mm, testing hole diameter 30 mm
Light measurement	whiteness (Ganz whiteness W10, Color cast value TW10), WH hunter whiteness, YI Yellowness, brightness R457
Storage	9 reference samples
Power supply	220 V ± 10 %, 50 Hz
Dimension (L × W × H)	360 × 264 × 400 mm
Net weight	23 kg

Features

Efficient Illumination Simulation

Accurate Opacity/Transparency Measurement

Precise Light Scattering Analysis

Optical Absorption Detection

Consistent Ink Absorption Testing

Standard WH Hunter Whiteness Evaluation

Accurate Yellowness Index (YI)

-Compliant Whiteness Measurement

Intuitive Large Touch

User-Friendly Data Handling

Integrated RS232 PC Interface

Seamless Data Communication

Power-Failure Data Protection

FAQs

1. What are the key factors to consider when selecting this test equipment for laboratory use?

When selecting this test equipment, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this test equipment be calibrated to ensure accurate results?

It is recommended to calibrate this test equipment at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this test equipment?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this test equipment be used with different types of samples, and are there any compatibility considerations?

Yes, this test equipment can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the test equipment malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.