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Rotary Variable Inductance Transducers

Rotary Variable Inductance Transducers
Rotary Variable Inductance Transducers
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Product Code : RVIT-15-120i
Price And Quantity
  • Minimum Order Quantity
  • 1 Piece
  • Price Range
  • 20000.00 - 100000.00 INR
Product Specifications
  • Voltage
  • 4.0 to 5.5 Volt (v)
  • Color
  • Black
  • Application
  • Ball valve position and Throttle level feedback
  • Operating Temperature
  • -67 to +257 Fahrenheit (oF)
Product Description

The RVIT 15-60 and RVIT 15-120i are DC operated, non-contact, angular position sensors featuring MEAS proprietary RVIT (Rotary Variable Inductance Transducer) technology. Operating from a single rail DC voltage supply, they provide either a +3VDC (RVIT 15-60) or 4-20mA (RVIT 15-120i) output, over a 120 degree angular sensing range.

The RVIT design utilizes a set of four printed circuit coils and a light-weight conductive spoiler to achieve superior performance with a low moment of inertia. During operation, the light weight spoiler rotates with the transducer shaft, differentially altering the inductance of the printed circuit planar coils. The resulting unbalance is precisely measured using a patented autoplex circuit. This signal is then converted to a linear DC output voltage, proportional to the angle of the rotor shaft. The digital circuit is extremely resistant to environmental disturbances such as EMI and RFI, and is compatible for use with most analog position feedback systems.

The RVIT 15-60 and RVIT 15-120i offer exceptional performance at a competitive price along with the interfacing flexibility of the +3 VDC and 4-20 mA outputs. The RVIT 15-60 emulates a potentiometer in that the output voltage is ratiometric to the supply voltage, within the limits of the specification. Other standard features include a wide operating temperature range, infinite resolution, and an extremely long rotational life. For higher volume applications, specialized options include special angular sensing ranges, and custom unipolar or bipolar output voltage scaling.

Also see our other DC operated, angular position sensor models, R60D (bipolar DC operation, servo size 11 RVIT), R120LC (5VDC operation, low cost RVIT) and R30D (bipolar DC operated RVDT).

Details :

  • DC operation
  • Non-contact design
  • Infinite resolution
  • +60 degree sensing range
  • +3VDC ratiometric or 4-20mA output
  • +0.25% linearity
  • Size 15 servo or flange mount
  • Anodized aluminum housing

Features :

  • Extremely long rotational life
  • Internal voltage regulation
  • Shielded ABEC 3 precision bearings
  • Rugged aluminum housing
  • Flange mount with shaft seal (optional)

Application :

  • Ball valve position
  • Throttle level feedback
  • Rotary actuator feedback
  • Dancer arm position
  • Reeler / Dereeler

Electrical Specifications :


RVIT 15-60

RVIT 15-120i

Angular Range

+60 degrees

0 to 120 degrees

Input voltage

4.0 to 5.5VDC)

10 to 28VDC (not to exceed 30VDC)

Input current




10mV/V/degree (ratiometric to input voltage)


Output at range ends

+3.0VDC (ratiometric to input voltage)

1 to 5VDC (with 250 load)

Output current


4 to 20mA

Output impedance

1 maximum

250 maximum

Temp coefficient of output

+0.02% of FSO per oF [0.036% of FSO per oC], over operating temperature range


+0.25% of FR

Repeatability & hysteresis

0.1% of FRO maximum

Frequency response

25Hz @ -3dB

Environmental And Mechanical Specifications :

Temperature range

0oF to +170oF [-18oC to 77oC] Operating; -67oF to +257oF [-55oC to 125oC] Storage

Mechanical angular range

360 degrees (no stops)


ABEC 3 precision, matched and preloaded

Shaft diameter

3/16 inch [4.76mm]

Housing material

Aluminum, black anodize


Size 15 servo mount BU-ORD (standard) or Flange mount with shaft seal (with accessory)

Maximum torque

0.12 inch.ounce-force [8.6]

Shaft load capability

10 lb [4.5Kg] Axial and Radial

Electrical connection

3 conductor cable, AWG 26, under PVC jacket, 12 inches [30cm] long


2.5 oz [70grams]

Trade Information
  • Payment Terms
  • Cash Advance (CA), Cash in Advance (CID)
  • Supply Ability
  • 100 Piece Per Week
  • Delivery Time
  • 3 Days
  • Sample Available
  • Yes
  • Sample Policy
  • Sample costs shipping and taxes has to be paid by the buyer
  • Main Domestic Market
  • All India
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