• Bently Nevada 330400-02-05
  • Bently Nevada 330400-02-05
  • Bently Nevada 330400-02-05
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Bently Nevada 330400-02-05 Three-Wire Piezoelectric Accelerometer

Bently Nevada 330400-02-05 Three-Wire Piezoelectric Accelerometer

The Bently Nevada 330400-02-05 is a high-performance, three-wire piezoelectric accelerometer engineered for critical machinery protection and condition monitoring. This transducer is specifically designed to provide reliable casing acceleration measurements, making...

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SKU: 330400-02-05
Vendor: Bently Nevada
Category: Vibration Monitor Module
Related Series:

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The Bently Nevada 330400-02-05 is a high-performance, three-wire piezoelectric accelerometer engineered for critical machinery protection and condition monitoring. This transducer is specifically designed to provide reliable casing acceleration measurements, making it an ideal solution for monitoring gear mesh, unbalance, misalignment, and mechanical looseness in industrial rotating equipment.

Features

  • Designed for critical machinery applications, meeting American Petroleum Institute (API) Standard 670 requirements.
  • Integrated charge amplifier requiring -24 Vdc power supply.
  • Wide frequency response range of 10 Hz to 15 kHz, optimized for high-frequency vibration detection.
  • Case-isolated design to minimize ground loop interference.
  • Amplitude range of 50 g peak with a sensitivity of 100 mV/g.

Applications

  • Oil and Gas: Monitoring large compressors, injection pumps, and turbine machinery.
  • Power Generation: Online status monitoring for steam turbines, generators, and large cooling pumps.
  • Petrochemical: Protection for various centrifugal and reciprocating machinery.
  • Metallurgy and Mining: Mechanical protection for rolling mills, crushers, and large ventilation equipment.

Technical Specifications

Model 330400-02-05
Sensitivity 100 mV/g (10.2 mV/m/s2) +/- 5%
Frequency Response 10 Hz to 15 kHz
Amplitude Range 50 g peak
Linearity +/- 1% to 490 m/s2 (50 g) peak
Broadband Noise Floor 0.039 m/s2 (0.004 g) rms
Mounted Resonant Frequency > 30 kHz
Grounding Case isolated

Installation Guidelines

  • Ensure the mounting surface is clean, flat, and free of debris to maintain optimal frequency response.
  • The sensor utilizes an M8 x 1 integral stud for direct mounting onto the machine housing.
  • Use shielded cabling to protect the signal from electromagnetic interference (EMI) in industrial environments.
  • Always power down the monitoring system before connecting or disconnecting the transducer.
  • Ensure the -24 Vdc power supply is stable and properly grounded according to the Bently Nevada system documentation.

FAQ

What is the primary function of the 330400-02-05?

This accelerometer is used for casing vibration measurement, providing critical data for detecting faults in rotating machinery such as gear mesh issues and bearing wear.

Does this sensor comply with industry standards?

Yes, the 330400-02-05 is designed to meet the requirements of the American Petroleum Institute (API) Standard 670 for machinery protection systems.

What power supply is required for this unit?

The sensor requires a -24 Vdc power supply to operate its internal charge amplifier.