LVDTsRVDTsFastar® SensorsHydraStar® SensorsSpecial Applications

813 Series AC/AC

0.813″ (20.65 mm) diameter, AC-operated

The 813 Series LVDT is suitable for most applications. Combined with its rugged construction, not only does it offer high performance and reliability but will also resist the shocks and vibration occurring in most industrial environments.

It features high output sensitivity yet a large core-to-bore clearance.

A magnetic stainless steel housing provides electromagnetic and electrostatic shielding.


  • Metric threaded core
  • Smaller diameter core
  • Teflon Liner in coil bore
  • Testing at customer specified excitation frequency
  • 4 or 5 leads configuration
  • Matching signal conditioner available
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Sentech designs and manufactures with ISO 9001:2015, AS9100 Rev D certified quality management system. ANAB accredited.
Most Sentech products meet the following standards and/or certifications:
UL/CSA, ATEX, IECEX, TIIS (Japan), KOSHA / KCA (South Korea), Class 1 / Division 2 for harsh environments with flammable gasses or combustible dusts, IP54/IP65/IP66/IP67, RoHS - Reduction of Hazardous Substances, REACH - Restricted Chemicals List
Learn more about our standards and certifications →

All Sentech Inc. products are warranted against defective materials and workmanship. This warranty applies for a period of one year from the date of delivery to the original purchaser. Any product that is found within the one year period not to meet these standards will be replaced or repaired at the discretion of Sentech Inc. No other warranty is expressed or implied. Although Sentech Inc. manufactures its products to exacting specification standards, we assume no responsibility for their misuse. Sentech Inc. accepts no liability for damages, incidental or punitive, in applications using our products. Please note: It is solely the user’s responsibility to properly install and maintain transducers. Sentech Inc. manufactures its products to meet stringent specifications and cannot assume responsibility for those consequences arising from their misuse or unauthorized modification. SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.