Stone Professional Multi Angle Gloss Meters NHG268 Paint Granite Woodware Test Self - Calibration

What difference in gloss can a human see ?

If two different coatings are measured, what number of gloss units would be detectable by the human eye, how many units would be perceived as significantly different?

When measuring at 60 Degrees these detectable differences depend on the gloss level of the sample, for instance 3.0 GU difference measured on a very matte surface (perhaps 5GU), would be seen by the human eye but on a higher gloss coating (perhaps 60 GU) the difference would be very difficult to notice.

The only way that you can determine tolerances for your products would be experimentally, perhaps preparing printed samples at different gloss levels that you can show to end users of your coatings or internal "experts".

The other option is to change to a 20/60/85 degree instrument, the 85 degree gloss meter is more sensitive to differences in gloss below 10 GU @ 60° and the 20 Degrees has higher resolution on high gloss coatings (above 70 GU @ 60°). The advantage of using the three angles is that there is more equality to the gloss differences, in our experience a gloss difference of 5 GU, when measured with the correct geometry is just visible to a trained observer.

Introduction

Professional Gloss Meters NHG268 gloss meter features with 20, 60 and 85° angle, manufactured according to ISO2813 and GB/T 9754. It is also compatible with the standards of ASTM D523, ASTM D2457. NHG268 conforms to JJG696 first class gloss meter working requirement, corresponding with CIE 1931(2°) under CIE C light source. The instrument errors of this model is ±1.2 , ± 1.2%.

Applications

paint, ink, stoving varnish, coating, wood products; marble, granite, vitrified polished tile, pottery brick and porcelain; plastic, paper; hardware industries, etc. for gloss measurement and gloss data transmission.

Features

1. 20, 60 and 85° in one: from high to low gloss - have the specified angle on hand
2. One button for all angles measurement at the same location
3. Display 5 sets of measurement data, good for comparison
4. Measuring mode: basic measurement, statistical measurement, continuous measurement, QC measurement (only for GQC6 software).
5. Continuous mode to check uniformity over large areas
6. Connect to PC, more extend functions
7. Input gloss value manually
8. Large touch screen operation, easy to use
9. Beauty appearance, good man-machine communication interface
10. Powerful functions to meet many different requirements
11. Large storage to save over 5000 data
12. Built-in lithium ion rechargeable battery.

Specifications

Product details show

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