PaintChecker TUBE

So light that it can be mounted on any robot arm.

PaintChecker PEN

A mobile, miniature master, ideal for delicate small parts.

Meet Our Experts

From choosing the right system to calibration, we'll answer all your questions.

PaintChecker GUN

The lightweight sensor reaches even tightest places.

PaintChecker ANGLE

The industrial sensor that can measure around corners.

PaintChecker CUBE

Our miniature sensor is the top choice for rough coatings.

PaintChecker TUBE-HP

The tiny HP high-power sensor with extra "oomph".

Our Reference Master

is the highest degree of accuracy and traceability of a measurement.

Maximum miniaturisation in coating thickness measurement

OptiSense is the world's leading provider of photothermal measuring systems for coating thicknesses on a wide variety of substrates. Our innovative PaintChecker solutions include industrial test systems, mobile measuring devices and numerous related services.

Since the PaintChecker sensors are developed and manufactured in-house, we can also offer you tailor-made solutions for the most unusual applications.

All good things ...

come in threes. Our OptiSense portfolio proves that the best things usually come in threes. Whether industrial test systems, mobile measurement devices or services, our solutions are guaranteed to get to grips with any measurement task, no matter how demanding.

Our current online survey: Take part and win!

The Internet of Things (IoT) aims to network devices. In the industrial environment, the term Industrial IoT (IIoT) has become established for this. It is exciting to learn how far these topics have come in our industry. Please take a minute and answer three questions. As a small thank you for taking our survey, you could win one of three FARE® Gearshift Stock Umbrellas! So here goes:


The preliminary program of SMSI 2021 is online

The SMSI 2021 - Sensor and Measurement Science International Conference - is going completely digital this year. The conference from May 3 to 6, 2021 will be held in parallel with the digital trade fair SENSOR+TEST, the world's leading trade fair for sensor, measurement and testing technology.

The SMSI conference shows the latest state of the art in sensor and measurement technology as well as current developments and results in measurement science. Additionally, attendees can refresh their technical knowledge during the digital tutorial program.

Information about the speakers and the preliminary conference program:


ILB relies on the latest measurement technology from OptiSense

With its new powder coating plant, ILB Industrielackierung Biedermann meets even the most demanding quality requirements of the automotive industry. A high degree of automation and OptiSense layer thickness testing enable the plants to be operated in a resource-efficient manner, deliver top quality and save costs at the same time.

Besser lackieren – Expo live!
We are there

The successful online event goes into the 2nd round. At Expo live, you will experience an attractive program about tomorrow's coating technology. Short to-the-point presentations offer an insight into latest developments and applications. Exciting success stories round off the virtual program.

We will be there with our presentation on innovative case studies peppered with all kinds of tips. Are you curious?

Click here to register and participate free of charge:


The new PaintChecker Cube sensor

The latest offshoot sensor in the PaintChecker family is called Cube, expanding our industrial model line. The miniature cube is easy to assemble and is particularly suitable for rough, granular surfaces of powders or pastes. Depending on the coating, you can choose the LED sensor as an infrared or UV model.

The leading trade fair SENSOR+TEST in 2021 exclusively digital

The real exhibition SENSOR+TEST in Nuremberg is canceled. As last year, the world's most important industrial fair for sensor and measurement technology will be held digitally in 2021. From May 4 to 6, 2021, you will meet OptiSense exactly there: in the DIGITAL ARENA of the virtual Sensor + Test 2021. We have already prepared an
exciting presentation for you, which you can then follow online in a relaxed way from your (home) office.

New: The DAkkS lab-certified reference master

The OptiSense reference masters, certified by a DAkkS laboratory, are the ideal solution for all users who require a particularly high level of safety, accuracy and reliability in coating thickness measurement. Precise to the micrometer. Traceable. Production-ready fast.

Relocation – an investment in our future

In November, OptiSense moves into its new premises. From November, the market leader in miniaturised coating thickness testing systems will be located at: Annabergstrasse 120, 45721 Haltern am See. The switchboard number (+49 2364 50882-0) and the extensions to individual contact persons remain unchanged.

Coating thickness testing – quo vadis?

Whether cosmetics packaging or automotive parts - an attractive appearance is demanded practically everywhere. And current trends are posing ever greater challenges for the painting companies. Where the journey will take us will be discussed with Georg Nelke from OptiSense as the leading supplier of photothermal measurement systems.