Honeywell VRS Series Magnetic Speed Sensor

Honeywell VRS SensorsHoneywell offers VRS sensors for high output, general purpose, power output, high resolution, high temperature, and hazardous location applications. High Output VRS sensors are designed for use in applications where higher output voltages are needed. For best performance use in applications of low to medium speeds with medium to high impedance loads. 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. VRS (Variable Reluctance Speed) Magnetic Speed sensors are simple, rugged devices that do not require an external voltage source for operation.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. The output signal of a VRS sensor is an ac voltage that varies in amplitude and wave frequency as the speed of the monitored device changes, and is usually expressed in peak to peak voltage. One complete waveform occurs as each target passes the sensor’s pole piece. If a standard gear were used as a target, this output signal would resemble a sine wave if viewed on an oscilloscope.Self-powered operationDirect conversion of actuator speed to output frequencySimple installationNo moving partsDesigned for use over a wide range of speedsAdaptable to a wide variety of configurationsCustomized VRS products for unique speed sensing applicationsPotential Applications:Engine RPM measurementMotor RPM measurementProcess speed measurementSpeed measurement of pumps, blowers, mixers, exhaust and ventilating fansFlow measurement on turbine metersWheel-slip measurement on autos and locomotivesGear speed measurementHoneywell Magnetic Speed Sensor, 15kHz Maximum Operating Frequency, 28mm Thread Length - 3030ANConveniently monitor the performance of your rotating devices with this magnetic speed sensor from Honeywell. Its housing contains a permanent magnet surrounded by a coil. It converts the magnetic field generated by the coil to a voltage reading that allows you to easily monitor the speed of your connected equipment. Thanks to its maximum operating frequency of 15kHz, this device is suitable for use in heavy-duty applications.Features & Benefits• Wide operating temperature range between -55°C and +120°C for use in harsh conditions• Long thread length of 28mm for secure installation, even in high-vibration applications• Self-powered operation means there's no need for a external mains connectionApplications• HVAC systems• Automotive industry• Wind turbinesWhat's the advantage of a magnetic-type speed sensor?