Linear displacement sensor SDVG20 DC

linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
linear displacement sensor
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Contact / non-contact
Output signal
analog, digital, DC output
Measurement object
Protection class
industrial, for process automation, OEM applications, for harsh environments, for hydraulic applications, for valves, for shiny metal surfaces
Other characteristics
high-resolution, high-precision, high-speed, cylindrical, absolute, economical, corrosion-resistant
Measuring range

Max.: 500 mm (19.69 in)

Min.: 0 mm (0 in)


0.1 %, 0.3 %, 0.5 %

Measuring rate

50 Hz

Supply voltage

Max.: 28 V

Min.: 9 V

Ambient temperature

Max.: 85 °C (185 °F)

Min.: -25 °C (-13 °F)


The linear variable differential transformer (LVDT) is a position transducer that is noncontact, absolute reading, and has essentially infinite resolution. It comprises three or more coils within which a magnetically permeable core moves to provide variable coupling between the primary coil and the secondary coils (usually two). The LVDT is a popular choice for high-reliability military applications.They are often used as the position feedback sensor in the actuator for control surfaces in airplanes. LVDT gauge heads are used successfully throughout industry on the production floor as well as in quality assurance.An array of LVDT gauge heads can be assembled to a template of an automobile door, for example. Samples are taken from the production line and placed against the template. Deviations from the standard profile are measured and used to determine if the tool making the door panels needs adjustment or reworking to keep the finished parts within the allowed tolerances. Incoming inspection tools use LVDTs to measure critical dimensions and read them into a computer that compares the data against the accepted tolerances. Features: - SS304 construction,Spring loaded. - DC operated, Built-in signal conditioner. 2-wire current output 4-20mA. - Contactless, Long lifespan. Applications: - Hydraulic cylinder position sensing - Bridge deflection&Concrete crack monitoring - Valve position sensing - Position feedback of machine tools - The subway tunnel crack monitoring
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