22.04.2026
BTL magnetostrictive position sensor for hydraulic cylinders in zone 2
For demanding applications in the hydrogen and energy sector
In the energy sector, where hydrogen is seen as a promising alternative to fossil fuels, the demand for advanced technological solutions is constantly increasing. To meet these requirements, we have expanded our portfolio of magnetostrictive BTL sensors to include a variant for potentially explosive atmospheres. The new sensor has been specially developed for use in Zone 2 hydraulic cylinders and is designed for operating temperatures of up to 90°C.
Focus on market requirements
Our position measurement sensor is designed for safe operation in hazardous environments and meets all relevant industry standards. It has been developed for demanding applications, impresses with its durability and ensures consistent, reliable performance. In addition, the sensor integrates seamlessly with our wide range of sensor technologies, connection cables, hubs and masters, expanding system possibilities.
With this upgrade, we are responding to the growing demand for high-temperature applications in Zone 2. While previous solutions were limited to 60°C, the new BTL offers robust and reliable performance even under challenging conditions. Selecting and ordering the right sensor is particularly easy and efficient thanks to our online product configurator and the ordering system in the web store.

Applications in the energy sector
The new BTL rod variant is ideal for hydrogen filling stations - especially for applications such as hydrogen compression, where hydraulic cylinders ensure efficient processes, as well as for automatic seal replacement, which enables seals to be replaced smoothly. In a world that is increasingly focusing on sustainable energy solutions, our sensor not only meets the highest technical requirements, but also actively supports the shift towards environmentally friendly technologies.

The special features
- Suitable for zone 2 and up to 90°C
- Complies with relevant industry standards
- Durable and reliable
- Seamless system integration
- Ideally suited for compressing hydrogen using hydraulic cylinders
Our products
BTL magnetostrictive position sensors in rod design
Interface: Analog; measuring length: 1525 mm
- Style
- Rod Series Ex
- Mounting part
- Threaded flange M18x1.5
- Housing material
- Aluminum, Anodized
- Magnets, number max.
- 1
- Connection
- Cable, 5.00 m, PUR
- Analog output
- 2x Analog, current 4…20 mA
- Measuring range
- 1525 mm
- Sampling frequency max.
- 500 Hz
- Non-linearity max.
- ±0.01 % FS
- Repeat accuracy
- ± 5 µm
- Operating voltage Ub
- 10...30 VDC
- Ambient temperature
- -40...60 °C
- IP rating
- IP68
- Approval/Conformity
-
CE
IECEx
ATEX
WEEE - Ex category
-
ATEX: 3G (EPL Gc)
ATEX: 2D (EPL Db)
IECEx: EPL Gc
IECEx: EPL Db
Interface: SSI; measuring length: 350 mm
- Style
- Rod Series Ex
- Mounting part
- Threaded flange M18x1.5
- Housing material
- Aluminum, Anodized
- Magnets, number max.
- 1
- Connection
- Cable, 5.00 m, PUR
- Interface
- SSI
- Measuring range
- 350 mm
- Sampling frequency max.
- 1000 Hz
- Non-linearity max.
- ±30 µm
- Repeat accuracy
- ≤ ± 5 µm (typical ± 2.5 µm)
- Operating voltage Ub
- 10...30 VDC
- Ambient temperature
- -40...60 °C
- IP rating
- IP68
- Approval/Conformity
-
CE
IECEx
ATEX
WEEE - Ex category
-
ATEX: 3G (EPL Gc)
ATEX: 2D (EPL Db)
IECEx: EPL Gc
IECEx: EPL Db
