Datasheet > 3090A

3090A

更新时间： 2024-10-29 12:52:39

品牌	Logo	应用领域
霍尼韦尔 - HONEYWELL		传感器
页数	文件大小	规格书
8页	253K
描述
Industrial VRS Magnetic Speed Sensors

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3090A 数据手册

Hazardous Location

Industrial VRS Magnetic

Speed Sensors

DESCRIPTION

Hazardous Location VRS sensors are designed for use in

locations where explosion-proof or intrinsically safe sensors

are required.

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).

Passive VRS (Variable Reluctance Speed) Magnetic Speed

sensors are simple, rugged devices that do not require an

external voltage source for operation.

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 if viewed

on an oscilloscope.

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.

Honeywell also offers VRS sensors for general purpose, high

output, power output, high resolution and high temperature, as

well as low-cost molded versions.

FEATURES

POTENTIAL APPLICATIONS

Self-powered operation

Direct conversion of actuator speed to output frequency

Simple installation

Engine RPM (revolutions per minute) measurement on

aircraft, automobiles, boats, buses, trucks and rail

vehicles

No moving parts

Motor RPM on oil and gas drilling equipment and

machinery

Motor RPM measurement on drills, grinders, lathes and

automatic screw machines

Process speed measurement on food, textile, paper,

woodworking, printing, tobacco and pharmaceutical

industry machinery

Motor speed measurement of electrical generating

equipment in grain elevators, sawmills and other

potentially explosive environments

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: 3/4 in, 5/8 in

Housing material/style: stainless steel threaded

Terminations: MS3106 connector, preleaded

Output voltages: 30 Vp-p to 60 Vp-p

Speed measurement of pumps, blowers, mixers, exhaust

Gear speed measurement

12 3 4 5 6 7 8

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