PaintChecker PEN

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

PaintChecker TUBE

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

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.

Extraordinary times require extraordinary measures

Even in these challenging times, our sales, project management and service staff do their best to support you efficiently worldwide.

Due to frequently changing travel restrictions, we are happy to meet with you online to start your journey into automated coating thickness measurement together or to discuss ongoing projects. We would be happy to invite you to a virtual meeting via web conference! Contact our experts here:


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.

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.