EPRO PR9268/303-000 is a vibration velocity sensor.The following is a detailed introduction to it:

1.Basic information

Brand:EPRO(Germany)

Model:PR9268/303-000

Origin:Germany(but there is information that there may be actual stock in Zhangzhou,Fujian)

2.Core performance parameters

Frequency range:10 Hz~1000 Hz(standard model)or different according to the specific model

Amplitude range:The maximum peak-to-peak value can reach 2~3 mm(depending on the specific model)

Output signal:Voltage signal proportional to the vibration velocity

Working temperature:The standard model is suitable for temperatures from-40°C to+125°C,and the high-temperature model(such as PR9268/60,PR9268/70)can withstand 200°C

Protection level:IP55/IP65,suitable for dust,moisture and industrial vibration environments

3.Working principle and structure

Working principle:Based on the principle of electromagnetic induction,it consists of magnets,coils and vibrating bodies.When the vibrating body vibrates,the coil moves relative to the magnet to cut the magnetic lines of force,thereby generating an induced electromotive force in the coil.The magnitude of the induced electromotive force is proportional to the vibration speed,and the vibration speed is detected by measuring the induced electromotive force.

Mechanical design:The seismic block+spring sheet is used to support the measurement coil structure,which contains a permanent magnet magnetic field inside.The movement of the coil generates a voltage signal proportional to the vibration speed.

IV.Features and applications

Features:

The output signal is large,no additional excitation power supply is required,and the vibration speed can be directly measured.

The structure is relatively simple,but the volume is large and the sensitivity is relatively low,which is not suitable for high-frequency vibration measurement.

It has the characteristics of strong anti-electromagnetic interference ability,wide measurement range,and easy installation.

Application scenarios:

It is often used in some occasions with high requirements for vibration speed measurement,such as vibration monitoring of large rotating machinery,which can obtain the vibration speed of the equipment in real time and judge the operating status of the equipment.

It is widely used in vibration monitoring of industrial equipment,such as vibration detection of motors,fans,compressors,etc.

It is also commonly used in vibration measurement of aircraft components in the aerospace field,as well as harsh environment monitoring in industries such as petrochemicals and electric power.

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The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers.

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Professionally provide: PLC programmable control system, distributed control system (DCS), safety instrument system (SIS), ESD system, vibration monitoring system, turbine compressor control system (CCS) and other PLC modules, various industrial control systems, system modules, CPU, IO module, DO module, AI module, DI module, network communication module, Ethernet module, motion controller, analog input module, analog output module, switch input module, switch output module, module redundancy, power supply module, relay output unit, relay input unit, processing unit.

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