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General Purpose VRS Sensor, 6,4 mm [0.250 in] M8 diameter, 12 Vp-p, -40 ?C to 107 ?C [-40 ?F to 225 ?F], 36 DP (module 0.70) or coarser, 60 kHz, 39 mm [1.50 in] approx. length || 3050A13

Àðòèêóë: 3050A13
Íàèìåíîâàíèå: General Purpose VRS Sensor, 6,4 mm [0.250 in] M8 diameter, 12 Vp-p, -40 ?C to 107 ?C [-40 ?F to 225 ?F], 36 DP (module 0.70) or coarser, 60 kHz, 39 mm [1.50 in] approx. length || 3050A13
Ïðîèçâîäèòåëü: Honeywell





Description

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 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 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.

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 (Vp-p).

One complete waveform (cycle) 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 when viewed on an oscilloscope.

Honeywell also offers VRS sensors for high output, power output, high resolution, high temperature and hazardous location applications.

Features
  • 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 diameters: 5/8 in (M16), 3/8 in (M12) mm, 1/4 in (M8), 10/32 in
  • Housing materials/styles: stainless steel threaded or smooth
  • Terminations: MS3106 connector, preleaded
  • Output voltages: 8 Vp-p to 40 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

Product Specifications
Diameter 6,4 mm [0.250 in]
Available Metric Thread M8
Test Condition Specifications Surface Speed = 25 m/s [1000 in/s], Gear = 20 DP [Module 1.27), Air Gap = 0.127 mm [0.005 in], Load Resistance = 100 kOhm
Output Voltage (Peak to Peak) Min. 12 Vp-p
Pole Piece Shape and Size Round, 1,02 mm [0.040 in] Diameter
Operating Temperature -40 °C to 107 °C [-40 °F to 225 °F]
Gear Pitch Range 36 DP (Module 0.70) or Coarser
Operating Frequency 60 kHz
Inductance 16 mH
Coil Resistance 190 Ohm
Surface Speed 0,75 m/s [30 in/s]
Optimum Actuator 28 DP (Module 0.90) Ferrous Metal Gear
Mounting Thread 1/4-40 UNS-2A
Vibration MIL-STD 202F, Method 204D
Material Stainless Steel Threaded
Housing Length 39 mm [1.50 in]
Termination 30 AWG Vinyl-Insulated Leads, 610 mm [24 in]
Weight 14 g [0.5 oz]
Series Name General Purpose


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