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Epro PR9266-12 Velocity Vibration Sensor Industrial

Epro PR9266-12 Velocity Vibration Sensor Industrial

  • 19 Em stock
  • Manufacturer: Emerson

  • Product No.: PR9266-12

  • Condition: Em stock

  • Product Type: Velocity Vibration Sensor Industrial

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 500g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Descrição

Product Overview

The PR9266-12 is a self-generating electrodynamic velocity sensor designed for absolute vibration monitoring in rotating equipment. It directly converts mechanical motion into a proportional electrical signal, eliminating the need for external excitation power.

The sensing principle is based on electromagnetic induction, making it suitable for continuous vibration measurement in turbines, compressors, pumps, electric motors, and gearbox assemblies where stable broadband response is required.

Technical Specifications

Parameter Specification
Model PR9266-12
Sensor Principle Electrodynamic velocity transducer
Measurement Principle Electromagnetic induction (velocity proportional output)
Sensitivity ~28.5 mV/mm/s (±5% at 50 Hz, 20 °C, 100 kΩ load)
Frequency Response 4 Hz – 1,000 Hz
Usable Vibration Range Up to ~2 mm peak-to-peak (variant dependent up to ~3 mm)
Natural Frequency ~4.5 Hz (±0.5 Hz)
Damping Ratio ~0.6 at 20 °C, ~0.43 at 100 °C
Coil Resistance ~1,800 Ω ±12%
Coil Inductance Excitation ~75 mH, sensing coil ~62 mH
Output Type AC voltage proportional to vibration velocity
Power Requirement Self-powered (no external supply required)
Operating Temperature -20 °C to +150 °C
Storage Temperature -40 °C to +70 °C
Shock Resistance 10 g continuous, 20 g short-term
Protection Rating IP65 (environment dependent installation)
Housing Material Aluminum alloy (AlMgSiPb) or stainless steel option
Cable Type PTFE insulated, 3 m standard; armored options available
Mounting Style Vertical or horizontal (base plate mounting options)
Standards Compliance API 670, ISO 10817-1, DIN 45670, CE, RoHS

Engineering Characteristics

  • True velocity measurement eliminates integration drift issues

  • Self-powered operation improves reliability in isolated installations

  • Stable linear response across industrial vibration frequency bands

  • High thermal stability for long-term operation in hot environments

  • Robust mechanical structure designed for harsh vibration zones

Application Scope

  • Steam and gas turbine vibration monitoring

  • Compressor casing and shaft vibration detection

  • Pump condition and cavitation monitoring

  • Electric motor and generator health assessment

  • Gearbox structural vibration analysis

Installation Notes

  • Mounting rigidity directly impacts measurement accuracy

  • Recommended installation on rigid, flat metallic surfaces

  • Cable shielding required in high electromagnetic interference environments

  • Sensor orientation (vertical/horizontal) should match calibration configuration

FAQ

Q1: Does the PR9266-12 require external power?
No. It is a self-generating electrodynamic sensor and operates without external excitation.

Q2: What type of signal does it output?
It produces an analog AC voltage proportional to vibration velocity.

Q3: Can it measure low-frequency vibration?
Yes, with a lower limit of approximately 4 Hz depending on installation conditions.

Características

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Destaques

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