Description
3040A Honeywell Industrial VRS Magnetic Speed Sensors
Power Output VRS sensors are designed for driving low resistance loads at large air gaps in applications where larger actuators may be used. Passive VRS (Variable Reluctance Speed) Magnetic Speed sensors are simple, rugged devices that do not require an external voltage source for operation.
A permanent magnet in the sensor establishes a fixed magnetic field. The approach and passing of a ferrous metal target near the sensor’s pole piece (sensing area) changes the flux lines of the magnetic field, dynamically changing its strength. This change in magnetic field strength induces a current into a coil winding which is attached to the output terminals.
FEATURES of 3040A Honeywell Industrial VRS Magnetic Speed Sensors
• Self-powered operation
• Direct conversion of actuator speed to output frequency
• Simple installation
• No moving parts
• Designed for use over a wide range of speeds
• Adaptable to a wide variety of configurations
• Customized VRS products for unique speed sensing
applications
• Housing diameter: 5/8 in (M16)
• Housing material/style: stainless steel threaded
• Terminations: MS3106 connector, preleaded
• Output voltage: 70 Vp-p
POTENTIAL APPLICATIONS
• Engine RPM (revolutions per minute) measurement on
aircraft, automobiles, boats, buses, trucks and rail
vehicles
• Motor RPM measurement on drills, grinders, lathes and
automatic screw machines
• Motor RPM measurement on precision camera, tape
recording and motion picture equipment
• Process speed measurement on food, textile, paper,
woodworking, printing, tobacco and pharmaceutical
industry machinery
• Motor speed measurement of electrical generating
equipment
• Speed measurement of pumps, blowers, mixers, exhaust
and ventilating fans
• Flow measurement on turbine meters
• Wheel-slip measurement on autos and locomotives
• Gear speed measurement
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