1. Product Overview

This product is a metal reference/calibration disc labeled for paper brightness measurement. It is intended to serve as a reference standard in paper, printing, laboratory, or quality-control applications where paper brightness/reflectance measurements need to be checked or calibrated. The supplied item is marked with the brand/logo “redox.me” and carries the reference values shown below.

2. Product Details

Note: Dimensions, weight, exact material grade, certification status, instrument compatibility, and calibration traceability were not visible in the supplied image. These specifications should be verified from the original manufacturer/supplier documentation before being published as confirmed specifications.

3. Key Features

• Circular metal reference disc designed for brightness/reflectance measurement workflows.
• Clearly marked reference number for identification and record keeping.
• Printed R and RY values for reference.
• Suitable as a reference item for paper, printing, laboratory, and quality-control environments, subject to instrument compatibility.
• Compact form factor that is easy to store and handle.

4. Suggested Product Description

Paper Brightness Calibration Standard / Reference Disc is a precision reference item for paper brightness and reflectance measurement applications. The supplied disc is marked with Reference No. 1:1147, R 457.80.80 and RY 85.92, along with the redox.me marking. It can be used in suitable paper-testing, printing, laboratory, and quality-control environments as a reference standard. Please verify the required instrument model, calibration procedure, dimensions, and traceability requirements before use.

5. SEO Title

Paper Brightness Calibration Standard Disc | RY 85.92 | Ref. No. 1:1147

6. Meta Description

Paper brightness calibration reference disc with Ref. No. 1:1147, R 457.80.80 and RY 85.92. Ideal for suitable paper, printing and laboratory measurement applications.

7. Focus Keyword

Paper Brightness Calibration Standard

8. Secondary SEO Keywords

paper brightness calibration disc, paper brightness reference standard, paper brightness calibration standard, paper reflectance reference standard, paper testing calibration standard, brightness measurement reference disc, paper testing laboratory standard, printing quality control reference, RY 85.92 calibration standard, Ref 1:1147 brightness standard, redox.me calibration standard

9. SEO-Friendly Product URL Slug

paper-brightness-calibration-standard-disc-ry-85-92-ref-1-1147

10. Suggested Image Alt Text

Paper brightness calibration standard metal reference disc with RY 85.92 and Ref No. 1:1147

11. Suggested Product Tags

Paper Testing, Brightness Calibration, Calibration Standard, Reference Disc, Paper Quality Control, Printing Laboratory, Reflectance Measurement, RY 85.92, Ref 1:1147

12. Important Verification Note

The specifications in this document are prepared from the information visibly printed on the supplied product photograph. The exact technical meaning of the R-value format “457.80.80” and the manufacturer’s official specifications should be confirmed against the original certificate, datasheet, or supplier record before using the content for a technical catalog or compliance document.