Sensors designed for applications where higher output voltages are needed

17-03-2015 | RS Components | Test & Measurement

Honeywell VRS sensors are now available from RS Components. The high-output
VRS sensors are designed for use in applications where higher output
voltages are needed. Variable reluctance speed (VRS) magnetic speed sensors
are simple, rugged devices that do not require an external voltage source
for operation.

The general-purpose VRS sensors are designed for use in applications with
medium to high speeds or in electrically-noisy environments with relatively
small air gaps. Passive front-end sealed versions are available for use
where the sensor is exposed to fluids, lubricants or adverse environmental
conditions.

The fixed magnetic field is established by use of a permanent magnet. As a
ferrous metal object approaches and passes near the sensing area the flux
lines of the magnetic field change in strength. This change in magnetic
field strength induces a current into a coil winding, which is attached to
the output terminals.

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