DeFelsko - PosiTector GLS

Portable gloss measurement for all surface finishes

Gloss is a measurement of how well a surface reflects light in a specular (mirror-like) direction—how lustrous or shiny an object appears. Depending on whether a surface is smooth or rough, the light reflected may appear “high gloss” or “matte”, respectively. “Semi gloss” refers to a surface that falls in-between.

Why is Gloss Measurement Important?

Measuring gloss during the manufacturing process can help identify process issues—maximizing consistency and improving overall quality. An important part of QA/QC programs, gloss measurement contributes to improved manufacturing efficiency.

How is Gloss Measured?

Gloss, Percent Reflectance, and Haze are measured using a digital gloss meter like the PosiTector GLS. The meter uses a calibrated light source and a light sensor at opposite, specular angles. Percent Reflectance is measured by comparing the amount of light sent versus the amount of light received. Gloss is then calculated automatically.

DeFelsko PosiTector GLS Features:

• Larger 2.8" impact resistant color touchscreen with redesigned keypad for quick menu navigation
• Weatherproof, dustproof, and water-resistant gage body—IP65-rated enclosure
• Automatic Diagnosis and Auto Calibration performed upon power-on using the protective base plate with integrated calibration standard (tile)
• Fast measurement speeds of 60+ readings per minute
• 2 Powerful Scan Modes for quantifying large surfaces (Advanced models only)
• USB, WiFi, and Bluetooth connectivity to PosiSoft PC, Mac, and Smartphone software
• Certificate of Calibration showing traceability to NRC for both the probe and gloss standard included

Conforms to ASTM C584/D523/D4039, ISO 2813/7668, DIN 67530, JIS Z 8741, AS/NZS 1580.602.2

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