RVIT15-120I CAT-RVDT0010 Non Contact Angular Displacement Sensor Rotating Variable Inductance IC Quality Assurance

Product Descriptions

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.

Product Features

 Extremely long rotational life

 Internal voltage regulation

 Shielded ABEC 3 precision bearings

 Rugged aluminum housing

 Flange mount with shaft seal (optional)

Product Applications

 Ball valve position

 Throttle level feedback

 Rotary actuator feedback

 Dancer arm position

 Reeler / Dereeler

Product Specifications

 DC operation

 Non-contact electrical design

 Infinite resolution

 Up to 120 degree sensing range

 ±3VDC ratiometric or 4-20mA output

 ±0.25percent linearity

 Size 15 servo or flange mount

 Anodized aluminum housing

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