
Schreiber Messtechnik: inductive displacement and position sensors
Schreiber Messtechnik GmbH It is a German manufacturer specializing in Inductive and magnetostrictive sensors for measuring displacement, position, and angle. Founded in 1967 and headquartered in Oberhaching, near Munich, it develops standard transducers and measurement solutions tailored to industrial and OEM applications.
The company has In-house mechanical and electronic manufacturing, testing and development laboratory and a quality management system certified according to DIN EN ISO 9001:2015. Its range stands out especially for combining small-sized sensors, large measuring ranges, integrated or external electronics, different mounting geometries and customized solutions for special applications.
Schreiber Messtechnik includes Sensores e Instrumentación GUEMISA SL in its international distribution network as a distributor for Spain. GUEMISA provides technical support for selecting the appropriate sensor, conditioning electronics, measuring range, mounting geometry, and output signal for each application. A list of distributors can be found in the Schreiber Messtechnik international distribution network.
Schreiber Messtechnik and LVDT sensors
The Schreiber inductive displacement transducers They are used in many of the same industrial applications in which LVDT sensors are selected: linear position measurement, control of actuators and valves, test benches, automation, special machinery and data acquisition systems.
There is, however, an important technical difference. Schreiber specifies that its inductive transducers work primarily according to the inductive half-bridge principle. Its electrical architecture is therefore different from that of a classic LVDT based on a differential transformer with one primary coil and two secondary windings.
For this reason, in a technical selection it is advisable to distinguish between Classic LVDT and half-bridge inductive transducer, although both can solve similar applications of precise displacement and position measurement.
To learn how it works, please consult our guide. What is an LVDT sensor and how does it work? or access the range directly LVDT sensors and displacement transducers.
Schreiber sensor specialties
One of the most interesting features of the Schreiber catalog is the relationship between measurement range, sensor dimensions, and integration possibilities. The range includes everything from miniature transducers with external electronics to sensors with integrated conditioning, long-travel models, square bodies, pressure versions, and magnetostrictive systems.
| Application or need | Schreiber Series | Main features |
|---|---|---|
| Miniature inductive transducers | SM20 / SM21 / SM22 | Housings of approximately Ø8 and Ø10 mm, strokes up to 20 mm and external electronics. |
| Long stroke with reduced diameter | SM26 | Housing Ø12 mm and measuring ranges up to 200 mm with external electronics. |
| Compact sensor with integrated electronics | SM34 | Approximate housing diameter Ø10 mm, travel distances up to 20 mm and industrial current or voltage outputs. |
| Medium and long displacements | SM40 / SM41 / SM42 / SM43 | Integrated electronics and travel distances of up to 360 mm depending on the series. |
| Robust square-bodied sensor | SM44 | 30 × 30 mm stainless steel housing, integrated electronics and travel up to 200 mm. |
| Measurement under pressure | SM46 | Inductive transducer with integrated electronics designed for applications up to 315 bar. |
| Long distances | SM70 | Magnetostrictive technology, integrated electronics and strokes up to 1500 mm. |
| Angular measurement | SM60 / SM61 / SM62 / SM64 | Inductive transducers for angle measurement with external, integrated or redundant electronics depending on the model. |
Schreiber sensors without integrated electronics
Schreiber maintains a particularly wide range of passive inductive transducers or those without integrated electronics. In these sensors, the measuring element remains separate from the excitation and conditioning electronics.
This architecture can be especially interesting when there are space limitations, thermal requirements, the need to centralize electronics, or demanding installation conditions.
Schreiber also offers conditioning modules such as the families SM101, SM103, SM105, SM12 and SM17, capable of converting the transducer signal into industrial current or voltage signals.
You can consult the specific selection of LVDT sensors and unamplified inductive transducers.
Sensors with integrated electronics and 4-20 mA or voltage output
For installations requiring a direct connection to a PLC, data acquisition system, or industrial controller, Schreiber also manufactures transducers with integrated electronics.
Depending on the series, there are configurations with signals 0-20 mA, 4-20 mA, 0-10 V or ±10 V, This facilitates its integration into industrial automation, test benches, valves and actuators, hydraulic systems, energy installations and special machinery.
OEM solutions and custom sensors
The modular structure of the Schreiber range allows for development specific variants and solutions even for relatively small production runs. Depending on the application, mechanical characteristics, travel, connections, electronics or output signal can be adapted.
This capability is especially interesting for machinery manufacturers, engineering firms, integrators and R&D departments that need to integrate a transducer within an existing mechanism or replace an old sensor conditioned by dimensions, travel or electrical signal.
When should you consider a Schreiber Messtechnik sensor?
Schreiber is particularly interesting when the application requires limited space available, high travel distance relative to sensor diameter, external or integrated electronics, 4-20 mA or voltage output, square body, operation under pressure, angular measurement, large magnetostrictive travel distances, or a custom OEM solution.
Its catalog therefore allows for addressing applications in which the geometry, assembly, mechanical conditions, and electronic integration are as important as the metrological characteristics of the transducer.
Frequently asked questions about Schreiber Messtechnik
Does Schreiber Messtechnik manufacture LVDT sensors?
Schreiber mainly manufactures inductive displacement transducers based on the half-bridge principle. These sensors are commonly used in applications equivalent to those of an LVDT and can be found commercially within the same family of inductive measurement solutions. Technically, it is important to distinguish the Schreiber half-bridge from the architecture of a classic LVDT.
Does Schreiber offer sensors with a 4-20 mA output?
Yes. Several series incorporate integrated electronics with 4-20 mA outputs and other industrial analog signals. External conditioning modules are also available for passive transducers.
Does Schreiber manufacture sensors for long journeys?
Yes. The inductive range has models with strokes of several hundred millimeters, while the magnetostrictive transducers of the series SM70 allows travel distances of up to 1500 mm.
Who distributes Schreiber Messtechnik in Spain?
Schreiber Messtechnik includes Sensores e Instrumentación GUEMISA SL as a distributor for Spain within its international distribution network. GUEMISA offers model selection, technical support, documentation and supply of Schreiber sensors and conditioning electronics.
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