en 
Our Products
Hos ZRS you'll find a carefully selected range of high-quality products for testing, measurement, and control in industry and research. We are proud distributors of leading brands such as ZwickRoell, Cygnus Instruments, Star Hydraulics and GTM GmbH.
We also offer second-hand products and modernization of existing equipment, which provides you with cost-effective solutions without compromising on quality.
Do you have any questions? Do not hesitate to contact us – We'd be happy to provide you with more information and guidance about our products and services.
Hardness Testers: Vickers, Rockwell, and Brinell Testers
Market-leading hardness testers from ZwickRoell—for reliable testing in accordance with all standards, including Vickers, Rockwell, Brinell, Knoop, Shore, and IRHD. ZRS supplies, installs, calibrates, and services these machines.
Material testing equipment for mechanical testing
Our universal testing machines are the obvious choice for tensile testing, compression testing, flexural testing, shear testing, and torsion testing. We also offer instruments for hardness testing and impact testing. ZwickRoell is the world’s leading supplier of static materials testing machines specifically designed for tensile, compression, bending, shear, and torsion testing.
Control System for Dynamic and Static Material Testing
The Cube from CATS³ is a portable test controller that supports both single-axis and multi-axis testing. Flexible, precise, and ready for your testing environment, it is designed to work with a wide range of testing machines and rigs for testing structures and entire components.
High-Precision Force and Torque Transducers
Discover world-leading force and torque transducers from GTM—for testing, calibration, and measurement technology with maximum accuracy.
Thickness Gauge Using Ultrasonic Technology
Cygnus thickness gauges measure through paint without damaging the surface. Accurate, durable, and easy to use. ZRS helps you find the right model.
Hydraulic servo and proportional valves
ZRS supplies a wide range of servo valves, proportional valves, hydraulic blocks, and hydraulic cylinders from Star Hydraulics. We service and repair servo valves from Star Hydraulics as well as other brands. Star’s unique sapphire technology and spool rotation extend the service life compared to most other valves.
Ultrasonic Leak Detector
Cygnus Hatch Sure is an ultrasonic leak detector that can perform a quick and effective assessment of cargo hatch covers and door seals to detect water leaks and verify weathertightness. Hatch Sure is ABS-type-approved and accepted by P&I clubs.