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Seawater Submersible LVDT Sensor SSA Series

Image SSA

The SSA Series LVDT transducers are for displacement / position measurement. They make an accurate position measurement of the movement of the armature (the sliding part) relative to the body of the displacement transducer.

These transducer uses the Linear Variable Differential Transformer (LVDT) principle which means that it is probably the most robust and reliable position sensor type available. The strength of the LVDT sensor's principle is that there is no electrical contact across the transducer position sensing element which for the user of the sensor means clean data, infinite resolution and a very long life.

These submersible displacement transducers are designed to make measurements whilst submerged in suitable liquids. Fluids which are non-magnetic can be allowed to flood the armature tube without affecting the operation of the transducer.

The SS series LVDTs are specially designed for use in sea water and heavy industrial environments with some corrosive chemicals. These LVDTs are made of welded 316 stainless steel and have a through bore plus very heavy construction. Therefore, the SS series LVDTs are capable of withstanding the most arduous industrial applications as well as 10 years seawater submersion at a depth of up to 2.3km.


  • High cycle life
  • Seawater submersible
  • Stainless steel
  • Infinite resolution


  • General
  • Marine applications
  • Academic instrumentation

Documents and Files

File Date Size
LVDT SSA Series datasheet (English) 23-07-2015 268KB
LVDT SSA Series electrical connection diagram (English) 23-07-2015 93KB