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EH SSI

Product catalog summary

Overview: The Temposonics® EH SSI is a robust, non-contact, and wear-free linear position sensor designed for high-pressure environments, particularly suitable for standard hydraulic cylinders. It operates effectively in temperatures up to +75 °C (+167 °F) and is ideal for industries such as fluid power, food, plastics, glass, ceramics, energy, machine tools, and testing machines.

Measurement Technology: The sensor uses magnetostrictive technology to provide precise and repeatable linear position measurements. It consists of a ferromagnetic waveguide, a position magnet, a strain pulse converter, and supporting electronics. The interaction of magnetic fields generates a torsional strain pulse, which is converted into an electrical signal to determine position.

Technical Specifications:

Output Interface: SSI (Synchronous Serial Interface) with binary or gray data format.
Data Length: 24 or 25 bits.
Resolution: Options of 20 µm, 50 µm, or 100 µm.
Operating Temperature: −40 to +75 °C (−40 to +167 °F).
Ingress Protection: IP67/IP69K.
Shock and Vibration Resistance: 100 g shock and 15 g vibration.
Operating Pressure: Up to 530 bar (7687 psi) peak for 10 mm rod diameter.

Design and Materials: The sensor features a stainless steel housing and rod, with options for different grades of stainless steel. It supports various mounting positions and includes a threaded flange for secure installation.

Electrical Connection: Utilizes an M12 male connector (8 pin) with a +24 VDC operating voltage. It includes polarity and overvoltage protection.

Accessories: Various position magnets and cable connectors are available, with detailed specifications provided for each.

Ordering Information: The document provides a detailed order code structure for specifying sensor model, design, stroke length, connection type, operating voltage, and output format.

Contact Information: Temposonics provides contact details for offices in the United States, Germany, Italy, France, the UK, Scandinavia, China, and Japan.

Catalog excerpts

EH SSIMagnetostrictive Linear Position Sensors I High pressure resistant sensor rod I Operating temperature up to +75 °C (+167 °F) I Small & compact - Ideal for standard hydraulic cylinders

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Temposonics® EH SSI Data Sheet MEASURING TECHNOLOGY Position magnet (Magnetic field) 2 The absolute, linear position sensors provided by Temposonics rely on the company’s proprietary magnetostrictive technology, which can determine position with a high level of precision and robustness. Each Temposonics position sensor consists of a ferromagnetic waveguide, a position magnet, a strain pulse converter and supporting electronics. The magnet, connected to the object in motion in the application, generates a magnetic field at its location on the waveguide. A short current pulse is applied to the...

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Data Sheet 1/ With position magnet # 251 416-2 2/ The IP rating is not part of the UL recognition */ With standard one shot of 16 gs

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Data Sheet Sensor electronics housing Null zone Stroke length Dead zone

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Temposonics® EH SSI Data Sheet FREQUENTLY ORDERED ACCESSORIES – Additional options available in our Accessories Guide Position magnets Ring magnet OD33 Part no. 201 542-2 Ring magnet OD25.4 Part no. 400 533 Ring magnet OD17.4 Part no. 401 032 Material: PA ferrite GF20 Weight: Approx. 11 g Surface pressure: Max. 40 N/mm2 Fastening torque for M4 screws: 1 Nm Operating temperature: −40…+105 °C (−40…+221 °F) Material: PA ferrite GF20 Weight: Approx. 14 g Surface pressure: Max. 40 N/mm2 Fastening torque for M4 screws: 1 Nm Operating temperature: −40…+105 °C (−40…+221 °F) Material: PA ferrite Weight:...

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Data Sheet ORDER CODE Stroke length Standard stroke length (mm) Ordering steps Standard stroke length (in.) Ordering steps Non-standard stroke lengths are available; must be encoded in 5 mm/0.1 in. increments. Accessories have to be ordered separately. Manuals, Software & 3D Models available at: www.temposonics.com Connection type

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UNITED STATES Document Part Number: 551297 Revision F (EN) 05/2026 Americas & APAC Region Phone: +1 919 677-0100 E-mail: [email protected] Temposonics 58513 Lüdenscheid GmbH & Co. KG Phone: +49 2351 9587-0 EMEA Region & India E-mail: [email protected] ITALY Phone: +39 030 988 3819 Branch Office E-mail: [email protected] FRANCE Phone: +33 6 14 060 728 Branch Office E-mail: [email protected] UK Phone: +44 79 21 83 05 86 Branch Office E-mail: [email protected] SCANDINAVIA Phone: + 46 70 29 91 281 Branch Office E-mail: [email protected] CHINA Phone: +86 21 2415...

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EH SSI

EH SSI

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