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Optical and radiation

Read the latest product news, press releases, technical articles, white papers & application examples.
Major sub-categories: Colour, Color | Contrast | Light, Brightness, luminosity | Spectral analysis

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Color measurement of recyclates in the recycling process

Color measurement of recyclates in the recycling

Sensor Instruments GmbH: Why should the color of recyclates also be measured? A lot of effort is already put into separating the color of the objects to be recycled. The color separation of whole plastic objects is followed by a further color...

2024-10-08
Clarity in darkness – Detect in Carbon Black

Clarity in darkness – Detect in Carbon Black

Sensor Instruments GmbH: Soot-blackened plastic, like a black hole that devours all light? Not quite! Although a large proportion of the light hitting the black plastic material is absorbed in the visible and near infrared range (NIR), the...

2024-10-07
Differentiation of recyclate types using NIR during the recycling process

Differentiation of recyclate types using NIR ...

Sensor Instruments GmbH: The use of more and more recyclates in the plastic processing industry, driven not least by the EU Packaging and Packaging Waste Regulation (PPWR) with regard to the proportion of recyclates in plastics, also increases the...

2024-10-03
TAGTEC – in search of the hidden

TAGTEC – in search of the hidden

Sensor Instruments GmbH: There are already a number of systems for separating and sorting plastic waste according to color and plastic type. In addition, image processing systems, paired with artificial intelligence (AI), provide good services in...

2024-10-02
Miniature Photoelectric Sensors with Three Meter Range

Miniature Photoelectric Sensors with Three ...

Turck: With the Q2X series from Banner Engineering, Turck is offering compact miniature photoelectric sensors with maximum detection ranges and five different detection modes for a wide range of applications. The photoelectric sensors enable...

2024-08-19
Determination of layer thicknesses between and on plastic films

Determination of layer thicknesses between ...

Sensor Instruments GmbH: How can the thickness of a coating layer between two PET films actually be determined? For this purpose, four PET film pairs with different pint layer thicknesses between the two PET films (10µm, 20µm,...

2024-07-15
Spray jet control in reflected light mode

Spray jet control in reflected light mode

Sensor Instruments GmbH: For applications with extremely low spray application, it is advisable to use a solution based on the reflected light principle. Many of these applications also take place in hazardous areas, which makes a fiber optic...

2024-07-10
Inline color calibration with respect to plastic recyclate

Inline color calibration with respect to ...

Sensor Instruments GmbH: The Windows® Software SPECTRO3 MSM DOCAL Scope facilitates inline calibration of the color sensor system in different ways, which are explained below in further detail. Calibration with RAL plastic color cards The...

2023-11-24
Test report on the inline color measurement of recyclates

Test report on the inline color measurement ...

Sensor Instruments GmbH: The increasing use of recyclates in the plastics industry means that efficient product control is assuming ever-greater importance. Whilst laboratory-based random quality control was sufficient in the past, the industry is...

2023-11-06
Inspecting the correct labeling of drug packages

Inspecting the correct labeling of drug packages

Micro-Epsilon: Medication packaging must be properly labeled. Imprinted are serialization data, the bar code and additional information. The correct positioning of the label is also important. If these imprints and the position are incorrect, the...

2023-09-28
Following color

Following color

Sensor Instruments GmbH: Sometimes it makes sense to follow. For example, your conscience or good advice from friends. But following people or brands on Instagram or LinkedIn? That is not obligatory. And what about the mainstream? "All is well!...

2023-09-11
Perfect monitoring of the SOLA spirit level supply chain. And that from pellet to pellet!

Perfect monitoring of the SOLA spirit level ...

Sensor Instruments GmbH: What is the best way to monitor my product throughout its life cycle? This was the question with which we, the staff of Gabriel-Chemie and Sensor Instruments in the “SOLA team”, were confronted. We were of...

2023-09-01
Inline color measurement on the extruder line

Inline color measurement on the extruder line

Micro-Epsilon: When finishing polyamide plastic by extrusion and strand pelletizing, absolute color fidelity is necessary to achieve high quality. Micro-Epsilon colorSENSOR CFO sensors are used for reliable color inspection of the granulate. To...

2023-05-19
Sensor system for precise turbidity measurement of liquids

Sensor system for precise turbidity ...

Micro-Epsilon: The smart and precise CFO100 colorSENSORs from Micro-Epsilon impress in liquid turbidity measurements with their high color accuracy and repeatability. During the textile dyeing process, for example, they continuously detect the...

2023-03-31
Functional testing of LEDs on electronic assemblies

Functional testing of LEDs on electronic ...

Micro-Epsilon: The sensor systems of the colorCONTROL MFA series take over the color, intensity and function control of LEDs, displays and other self-illuminators. They are also used for LED testing of electronic assemblies. The receiver sensors...

2023-01-30
Color measurement of recyclates

Color measurement of recyclates

Sensor Instruments GmbH: For years, the mass of recyclable plastic waste has been steadily increasing. This is due, on the one hand, to technical progress in the processing and sorting of plastic waste and, on the other hand, to the EU´s...

2022-08-29
Measurement of UVE radiation dangerous for the skin

Measurement of UVE radiation dangerous for ...

Ahlborn: Natural UV radiation from the sun or UV radiation from artificial sources has different effects on human skin depending on the wavelength range. The word erythema is a dermatological term for a reddening of the skin. Long-wave UV radiation (above...

2022-03-15
Spray jet control in transmitted light

Spray jet control in transmitted light

Sensor Instruments GmbH: When designing spray systems, it is important to ensure that the sensor technology is matched to the size of the spray cone and the spray volume of the application in question. Furthermore, the geometry of the spray cone...

2021-12-27
Powerful color sensors for versatile applications

Powerful color sensors for versatile application

Micro-Epsilon offers a unique product range of True Color sensors which are designed for different requirements. This is how almost all color measurements tasks can be solved with high precision across all industries. Four sensor types measure...

2021-07-19
True Color sensors for BUS environments

True Color sensors for BUS environments

Micro-Epsilon: colorSENSOR CFO True Color sensors combine high color accuracy, modern interfaces and intuitive operation. They are used for high precision measurement tasks in the industry and can be integrated via a gateway into BUS...

2021-05-11
Inline spray jet control outside and inside the potentially explosive  atmosphere!

Inline spray jet control outside and inside ...

Sensor Instruments GmbH: Surface coatings are often applied by spraying. Ideally, objects should be coated homogeneously. Air pockets in the spraying medium, partial covering of the nozzle outlet apertures or an abrupt pressure fall in the...

2021-04-19
Inline gloss measurement of painted wooden panels

Inline gloss measurement of painted wooden ...

Sensor Instruments GmbH: The human eye reacts principally to differences in contrast (differences in gloss) and color. For example, if we look at freshly-installed floor boards, we immediately notice even the smallest differences in color and...

2021-04-16
The color tone is decisive: the color tone measurement of various colored fiber bundles

The color tone is decisive: the color tone ...

Sensor Instruments GmbH: The color tone of textile fibers should, as far as possible, be measured at the start of the textile dyeing process using inline measurement. The information about the actual color tone (the actual value) can be compared...

2021-02-17
Color differentiation of second hand clothes in the recycling process

Color differentiation of second hand clothes ...

Sensor Instruments GmbH: Different colored second hand clothes, transported on a conveyor belt, should be differentiated. At this, the orientation of the respective textile is randomly, which means randomly folded, flat or exaggerated positioned....

2021-02-09
Differentiating the tin side from the fire side in float glasses

Differentiating the tin side from the fire ...

Sensor Instruments GmbH: Float glasses develop their form, thickness and surface properties through the transport of the glass melt on liquid tin. The glass melt floats on the tin bath and develops a plane surface adapted to the tin bath (tin...

2021-01-29
What is going on in the haze? We watch the oil even during evaporation!

What is going on in the haze? We watch the ...

Sensor Instruments GmbH: Producers of blanked and flexible parts are increasingly using evaporated punching and drawing oils. Such processes need an outcome which minimizes the oil residue on the punched or formed metal parts in order to obviate...

2021-01-25
The detection of oil layers on metal surfaces:  comparing the measurement procedures

The detection of oil layers on metal surfaces:

Sensor Instruments GmbH: The use of oils is imperative in the forming process of metals. For example, the application of cutting oils to metal bands ensures low wear on the punching tools. Drilling oils make an essential contribution to the...

2021-01-25
Measuring the thickness of oil layers by comparing two mid-wavelength infrared light range wavelength windows

Measuring the thickness of oil layers by ...

Sensor Instruments GmbH: Those wishing to measure the layer thickness e.g. of a homogeneous layer of printing ink on paper can adopt the grammage method as an adequate approach. The grammage of a printing ink is not all that different from that of...

2021-01-22
The measurement of thin oil layers with MIR – a highly interesting matter

The measurement of thin oil layers with MIR ...

Sensor Instruments GmbH: The tension is rising! The users of cleaning units for metal parts – e.g. stamped parts – wait with baited breath to see what the washing sequence brings forth. Has the surface tension exceeded the threshold of...

2020-12-09
Sustainable v. virgin! The arrival of plastic recyclates

Sustainable v. virgin! The arrival of plastic ..

Sensor Instruments GmbH: A difficult birth! After standing in the shadow of virgin materials for many years, plastic recyclates have now come into their own. There are many reasons for this: whilst the complex technical procedures to which...

2020-11-03
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