GLOSS / RLS
GLOSS and RLS-GD gloss sensors measure surface gloss on the production line, contact-free and continuously, at standard angles such as 20°, 60° and 85°.
Gloss sensors direct light onto the surface at a defined angle and determine the gloss level from the reflected light. The GLOSS series covers the standard angles of 20° (high gloss), 60° (semi-gloss) and 85° (matt) as well as the 45° and 75° TAPPI angles used in the paper industry; it stands out for a small measuring spot, compact design and high speed. The RLS-GD series measures direct and diffuse reflection at the same time, which gives an intensity-independent result, and is highly insensitive to ambient light.
These sensors are used for 100 % inline inspection of visible surfaces on products such as plastic sheets, wall and floor coverings, furniture coating materials and ceramic tiles. The analogue output of the GLOSS sensors transmits the gloss value continuously, while the digital outputs flag out-of-tolerance products. The RLS-MD types in the same family detect line marks on different backgrounds without changing settings.
Key features
- Standard measuring angles: 20°, 45°, 60°, 75° and 85° (45° and 75° to TAPPI)
- White LED; modulated (AC) or direct (DC) light selectable in Windows
- GLOSS: 1 analogue output (0–10 V or 4–20 mA), 3 digital outputs, 2 digital inputs, switching frequency up to 60 kHz
- RLS-GD: simultaneous measurement of direct and diffuse reflection, 31 tolerance windows, 5 digital and 2 analogue outputs
- RS232 interface; GLOSS-Scope and RLS-GD-Scope Windows software
- Accessories: calibration unit, offline measuring unit, blast-air attachment
Applications
Technical details
- Measuring angles
- 20°, 45°, 60°, 75°, 85°
- Analogue output
- 0–10 V / 4–20 mA
- Switching frequency (GLOSS)
- ≤ 60 kHz
- Ambient light
- ≤ 5000 lx
- Supply voltage
- +24 VDC ±10 %
- Enclosure rating
- IP54
Product information is compiled from the manufacturers' published documents and is for guidance only. Contact us for model selection, current specifications and pricing.
Other series in this group
COAST
COAST hybrid sensors evaluate colour, gloss and surface texture together and tell apart surfaces of the same colour but different structure.
GLAST
GLAST sensors inspect surface quality inline on highly reflective surfaces such as stainless steel, aluminium and paint, and on transparent glass and film.
SPECTRO-M
SPECTRO-M mid-infrared (MIR) sensors measure the thickness of thin oil and plastic layers on metal surfaces inline, from 0.1 µm upwards.
SI-JET
SI-JET spray jet control systems use light barriers to monitor the density, symmetry and cone angle of the spray leaving a nozzle, inline.
Let us assess your application together
We test your sample in our laboratory and report on resolution, optics and lighting selection.