A. Product Overview

The Metrix Plus GLS 09 Digital Gloss Meter is a single angle gloss measurement instrument designed to evaluate the glossiness and surface finish of different materials.

It uses a 60 degree measurement geometry, which is widely used for general purpose gloss measurement across medium gloss surfaces. The instrument converts reflected light from the test surface into an objective numerical value expressed in Gloss Units, or GU.

The GLS 09 is useful in industries where maintaining a consistent surface appearance is important, including paint, coatings, plastics, automotive, printing, metal finishing, ceramics and furniture manufacturing.

Key Features and Specifications

• Model: Metrix Plus GLS 09
• Instrument type: Digital gloss meter
• Measuring angle: 60 degrees
• Measuring range: 0.1 to 200 GU
• Resolution: 0.1 GU
• Accuracy: approximately ±1.0 GU
• Repeatability: approximately ±0.5 GU
• Measuring area: 7 x 14 mm elliptical area
• Display: Backlit LCD
• Data storage: Up to 254 measurement sets
• Measurement modes: Single and continuous
• Memory storage and recall
• Simple calibration procedure
• Optional PC interface
• Power supply: 3.7 V rechargeable lithium ion battery
• Operating temperature: 0 to 40 degrees Celsius
• Operating humidity: Less than 85 percent RH
• Dimensions: Approximately 140 x 45 x 75 mm
• Weight: Approximately 305 g including battery

B. Working Principle

The GLS 09 Gloss Meter works on the principle of specular reflection.

The instrument projects a beam of light at a controlled intensity onto the surface being tested at an angle of 60 degrees.

A detector inside the instrument then measures the amount of light reflected from the surface at the corresponding opposite angle.

The reflected light intensity is converted into a gloss value displayed in Gloss Units, or GU.

In simple terms:

A smooth and reflective surface produces a higher GU reading.

A rougher or less reflective surface produces a lower GU reading.

This provides an objective measurement of surface gloss rather than relying only on visual inspection.

C. Why Is the GLS 09 Used?

Surface appearance can be an important quality parameter in manufacturing. Even when two products use the same material or coating, variations in application, curing, polishing or surface preparation can produce differences in gloss.

The Metrix Plus GLS 09 allows manufacturers to measure these differences accurately.

It can be used for:

• Measuring surface gloss
• Checking paint finish
• Inspecting coating quality
• Comparing production batches
• Checking plastic surface finish
• Evaluating automotive paint
• Monitoring polishing quality
• Checking printed and coated paper
• Inspecting finished metal surfaces
• Performing incoming material inspection
• Performing production quality control
• Conducting final product inspection
• Comparing production samples with approved samples
• Detecting changes in surface finish
• Recording gloss measurements for quality documentation

Using a gloss meter also reduces the subjectivity associated with visual inspection.

D. Suitable Buyers

The Metrix Plus GLS 09 60 Degree Gloss Meter is suitable for:

• Paint manufacturers
• Coating manufacturers
• Powder coating companies
• Automotive manufacturers
• Automotive refinishing workshops
• Plastic manufacturers
• Injection moulding companies
• Printing companies
• Ink manufacturers
• Paper manufacturers
• Packaging manufacturers
• Metal finishing companies
• Electroplating industries
• Electronics manufacturers
• Ceramic manufacturers
• Furniture manufacturers
• Artificial leather manufacturers
• Hardware manufacturers
• Granite processors
• Surface finishing companies
• Aerospace manufacturers
• Quality control departments
• Quality assurance departments
• Paint and coating laboratories
• Material testing laboratories
• Research and development laboratories
• Inspection agencies
• Manufacturing plants

Frequently Asked Questions

1. What is the Metrix Plus GLS 09?

The Metrix Plus GLS 09 is a portable digital gloss meter designed for measuring the specular gloss of different surfaces using a 60 degree measuring angle.

2. What is the measuring angle of the GLS 09?

The current GLS 09 specification uses a 60 degree measuring angle.

3. What is the measuring range of the GLS 09?

The measuring range is 0.1 to 200 Gloss Units.

4. What is the resolution of the GLS 09?

The GLS 09 provides a resolution of 0.1 GU.

5. What does GU mean in gloss measurement?

GU means Gloss Unit. It is the commonly used unit for expressing the amount of specular gloss measured from a surface.

6. What is a 60 degree gloss meter used for?

A 60 degree gloss meter is commonly used for general purpose gloss measurement of medium gloss surfaces across many industrial materials.

7. Can the GLS 09 measure paint gloss?

Yes. Paint and coating gloss measurement is one of the main applications of the GLS 09.

8. Can it be used for automotive paint?

Yes. It can be used for suitable automotive painted surfaces during manufacturing, refinishing and quality inspection.

9. Can the GLS 09 measure plastic gloss?

Yes. It can measure the gloss of suitable plastic surfaces and finished plastic components.

10. Can it measure coating gloss?

Yes. The GLS 09 is suitable for checking the gloss consistency of coatings and finished coated surfaces.

11. Can it be used in the printing industry?

Yes. It can be used for suitable paper, printing, ink and coated printing applications where surface gloss needs to be evaluated.

12. Can the GLS 09 be used on metal?

Yes. It can be used on suitable finished metal surfaces where gloss measurement is required.

13. Can it measure ceramic surfaces?

Yes. Ceramic products are among the types of manufactured surfaces where gloss testing can be useful.

14. Can the GLS 09 be used for furniture?

Yes. It can be used to evaluate suitable painted, polished or coated furniture surfaces.

15. How does the GLS 09 measure gloss?

The instrument projects light onto the surface at 60 degrees and measures the light reflected at the corresponding opposite angle. The result is displayed as a GU value.