Opsytec Dr.Grobel

Opsytec Dr. Gröbel – Accurate UV and Light Measurement from Germany

Opsytec Dr. Gröbel GmbH is a specialized manufacturer of UV measurement instruments, light sensors, and controlled UV light sources, based in Ettlingen, Germany. Established in 1981, the company has focused exclusively on optical measurement for over four decades. With in-house engineering and an ISO/IEC 17025-accredited calibration lab, Opsytec maintains full control over design, production, and calibration.

The company’s instruments are widely used in applications that require reliable UV and light measurement, including UV curing, disinfection, material testing, optical research, and biomedical processes. Products are designed for accuracy, long-term stability, and easy integration into automated systems or laboratory setups.

Main Product Categories

UV Irradiation Chambers: Enclosed systems for UV exposure in material testing, curing, or disinfection.

UV Measuring Instruments: Includes irradiance meters, UV dosimeters, and process monitors for inspection, control, or calibration.

UV and VIS Sensors: Sensors for continuous or spot measurement, compatible with automation systems or standalone use.

UV Light Sources: LED-based spot or flood UV lamps with adjustable output, used in lab testing or production environments.

Spectral and Photometric Instruments: Devices for measuring emission spectra, reflectance, illuminance, or color in light source evaluation.

Calibration and Production

Opsytec operates its own ISO 17025 calibration facility, allowing traceable calibration of all its devices as well as third-party equipment. This ensures high reliability and consistency in long-term measurements.

The company also develops its own control software, data loggers, and signal processing modules, offering integrated and stable solutions for technical or industrial environments. All products are designed with a long service life and easy maintenance in mind.