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AC LIGHT WEIGHT RVDT

AC LIGHT WEIGHT RVDT-CAT-RVDT0002
  • MEAS
|
  • MEAS R30
The R30A RVDT (Rotary Variable Differential Transformer) is an angular position sensor that incorporates a proprietary noncontact design which dramatically improves long term reliability when compared to other traditional rotary devices such as synchros, resolvers and potentiometers.
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Product Features

  • Position Sensor Product Type : Rotary Variable Differential Transformer (RVDT)

  • Angular Range (°): -30 – 30, -60 – 60, -40 – 40

  • Non-Linearity ± (%): 2, 1, .25

  • Output Signal Type : AC Voltage

  • Operating Temperature Range : -55 – 150 °C [ -67 – 302 °F ]

Available from

LADD Inc

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Overview

High reliability and performance are achieved through the use of a specially shaped rotor and wound coil that together simulates the linear displacement of a Linear Variable Differential Transformer (LVDT).  Rotational movement of the rotor shaft results in a linear change in the amplitude of the output signal, directly proportional to the shaft angle change, while the phase of this output signal indicates the direction of displacement from the null point. Non-contact electromagnetic coupling of the rotor provides infinite resolution thus enabling absolute measurements to a fraction of a degree. AC operation eliminates the need for integrated signal conditioning components, thereby offering the user an extremely wide operating temperature range of -55°C to +150°C. Factory calibrated to operate over a ±30 degree range, the R30A offers a non-linearity of less than ±0.25% of full range. Extended range operation up to a maximum of ±60 degrees is possible with increased non-linearity. Packaged in a small, size 11 servo mount, aluminum housing with flying lead termination, the R30A is ideal for space restrictive applications.

Benefits

  • AC operation
  • ±60 degree angular sensing range
  • Light weight
  • Non-contact electrical design
  • Wide operating temperature range
  • Size 11 servo mount
  • Anodized aluminum housing
Features

Please review product documents or contact us for the latest agency approval information.  

Electrical Characteristics

  • Supply Voltage (Vrms) 3

Signal Characteristics

  • Excitation Frequency (kHz) 2.5 – 10

Configuration Features

  • Electrical Connection  Lead Wires

Product Type Features

  • Position Sensor Product Type  Rotary Variable Differential Transformer (RVDT)

Other

  • Angular Range (°) -30 – 30, -60 – 60, -40 – 40

  • Non-Linearity ± (%) 2, 1, .25

  • Bearing Type  ABEC 3 Precision Ball Bearing

  • EU RoHS Compliance  Compliant

Operation/Application

  • Output Signal Type  AC Voltage

Usage Conditions

  • Operating Temperature Range  -55 – 150 °C [ -67 – 302 °F ]

Dimensions

  • Shaft Diameter  4.76 mm [ .188 in ]

  • Product Diameter  25.4 mm [ 1 in ]

Body Features

  • Product Weight (g) 36

  • Case Material  Anodized Aluminum

Mechanical Attachment

  • Sensor Mount Type  Size 11 Servo Mount

Reference Number

  • TE Internal Number CAT-RVDT0002

Related Materials

Datasheets & Catalog Pages

Accessories

  • Flexible Coupling The R-Flex coupling system is a versatile, easily installed coupling device that corrects for most types of angular sensor shaft mis-alignments.