Gloss Meter Family - Micro-Gloss Glossmeters

Advanced Gloss Meter Micro-Gloss Models

Low-cost QT-Gloss 60 & QT-III Gloss Family

20 degree Gloss Meter, Micro-Gloss 20, Model SGB-4420

60 degree Gloss Meter, Micro-Gloss 60, Model SGB-4460

85 degree Gloss Meter, Micro-Gloss 85, Model SGB-4485

20, 60, 85 degree Gloss Meter, Micro-TRI-Gloss, Model SGB-4430

20, 60, 85 degree Gloss Meter, with F/NF Thickness Gauge Sensor, Model GB-4435 NEW*

45 degree Gloss Meter, Micro-Gloss 45, Model SGB-4535

75 degree Gloss Meter, Micro-Gloss 75, Model SGB-4553

A glossmeter measures the specular reflection. The light intensity is registered over a small range of the reflection angle.	Metals have a much higher reflection and are less angle dependent than non-metals.
	Example: Non-metal versus Metal
Measurement of specular reflection	The  measurement  results of  a gloss meter  are related  to the amount of reflected light from a black glass standard with a defined refractive index, and not to  the  amount of  incident  light. The measurement value for this defined standard is equal to 100 Gloss Units (calibration).
The intensity is dependent on the material and the angle of illumination. In case of  non-metals (coatings, plastics) the amount of reflected light increases  with  the  increse of  the  illumination  angle. The remaining illuminated  light penetrates  the material  and is  absorbed or diffusely scattered dependent on the color.	Materials  with a  higher  refractive  index can  have a  measurement value above 100 gloss units (GU), e.g. films. In case of transparent materials the measurement value can be  increased due to  multiple reflection in the bulk of the material. Due to the high reflection capabilities of metals values of up to  2000 GU  can  be  reached. For  these  applications  it  is  common  to document the measurement results in % reflection of the illuminated light.

Gloss meters and their handling procedures had to be internationally specified to allow comparison of measurment values. The angle of illumination is of high influence. In order to obtain a clear differentation over the complete measurment range from high gloss to matte, 3 different geometries, i.e. 3 different ranges, were defined:

In this case study 13 samples were visually ranked from mat to high gloss and measured with the 3 specified geometries. In the steep slopes of the curves the differences between the samples can be clearly measured, while in the flat part the measurement geometry no longer correlates with the visual.

Gloss Range	60º value	To be measured with	We offer a complete line of glossmeters for any geometry:
Semi Gloss	10 to 70	60º geometry
High Gloss	>70	20º geometry	•  Portable micro-gloss family
Low Gloss	<10	85º geometry	• Reference laboratory instrument - haze-gloss

In addition, there are industry specific applications for 45º and 75º measurement geometry.

For further information or to place an order for the Gloss Meter Family - Micro-Gloss Glossmeters, please CLICK HERE, call us Toll-Free at: 1.877.884.TEST, or click on the "HOW TO ORDER" Button