Sensor Instruments
Entwicklungs- und Vertriebs GmbH
Schlinding 15
D-94169 Thurmansbang
Telefon +49 8544 9719-0
Telefax +49 8544 9719-13
info@sensorinstruments.de

Laboratory measurement systems
SPECTRO-LAB-SYSTEMS


Laboratory measurement systems for measuring the color (L*a*b*) of plastic recyclates and plastic flakes.

Recyclates and plastic flakes can produce significant color variations, as the outcome of the recycling process depends on the varying quality of the plastics added to it and the sorting procedure.

The SPECTRO-LAB-SYSTEM recognizes color value drifts precisely and in time. The color value L*a*b* and its deviations dL*da*db* including the dE value are displayed in numerical fashion. The dL*da*db* values are displayed on the screen graphically as a trend display of the last 100 recorded values. The system also enables saving of the measured values and print out of the color values including information e.g. about the recyclate designation and the date and time of the granulate sample taken.


Presentation:



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Video: The cycle of color - SPECTRO3-MSM-DOCAL-Scope V1.0


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Video: Let's make recycling even better -
            Labormessgerät SPECTRO-3-0°/45°-MSM-LAB-P ( L*a*b*)



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Video: Messen der Pelletsprobe mit dem Laborgerät
            SPECTRO-3-0°/45°-MSM-LAB-P




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Video: Inbetriebnahme des Laborgeräts SPECTRO-3-0°/45°-MSM-LAB-P



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Video: Kalibrierung des Laborgeräts SPECTRO-3-0°/45°-MSM-LAB-P



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More information:

Measurement of the color (L*a*b*) of plastic recyclates by means of
the laboratory device SPECTRO-3-0°/45°-MSM-LAB-ANA-P



Arrangement of the measurement system:








NEWS

Participation at trade fairs:

 •   Fakuma 2026
 •   Textiles Recycling Expo 2027

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Whitepaper:


 
Whiteness control of sugar in a vertical batch centrifuge 
(using SPECTRO-3-1000-COF-d50.0-MSM-ANA-V4A color sensor)

more...

Brochures:



Inline Spray Jet Control
Sensors and sensor systems for Inline spray jet control

 

more ...

Specialist article:

  Automatically Adjusting to the Desired Color
Constant Recyclat Color Values through Inline Measurement  
Plastics Insights 05/2025

 

more...

Video:

  Sensor systems for the plastics recycling industry
Color measurement of recyclates

 

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A
pplications:


Detection of dents and bumps on metal punching strips
(N° 801)
Differentiation of leather, fabric and synthetic interior components
(N° 802)
Plastic cap color measurement
(N° 803)

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WHAT IS ...
... surface tension?
... oil evaporation?
... oil layer thickness
    measurement?

more...


Software news:

SPECTRO3-MSM-DIG-Scope V1.5 (2021.10.20)
V1.5.2

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