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330500-00-04

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The 330500-00-04 sensor is suitable for applications where a large amount of rotor vibration needs to be continuously transmitted to the machine housing or sensor mounting location, thus it is crucial for the overall protection of critical rotating equipment.
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Technical specifications for 330500-00-04

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330500-00-04
  • Product Family:
    330500 Velomitor Piezo-velocity Sensor
  • Mounting Thread Adaptor:
    No adapter
  • Sensitivity:
    3.94 mV/mm/s (100 mV/in/s) ±5%.
  • Temperature Sensitivity:
    -14% to +7.5% typical over full operating range.
  • Velocity Range:
    1270 mm/s (50 in/s) peak.
  • Transverse Sensitivity:
    Less than 5% of sensitivity.
  • Amplitude Linearity:
    ±2% up to 152 mm/s (6 in/s) peak.
  • Mounted Resonant Frequency:
    Greater than 12 kHz.
  • Output Bias Voltage:
    -12 ±3.0 VDC, referenced to Pin A.
  • Weight:
    0.14 kg
  • Estimated shipping dimensions:
    6.7x2.4x2.4cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Diagnostics & Protection Monitoring & Control

Features:

  • Piezoelectric Accelerometer with Embedded Integrated Electronics for Velocity Measurement
  • Solid-State Design with No Moving Parts for Enhanced Reliability and Longevity
  • Multiple Agency Approvals Including CSA and ATEX for Hazardous Environment Operation
The 330500-00-04 operates as the Velomitor Piezo-velocity Sensor, providing absolute (relative to free space) vibration measurement for bearing housing, casing, or structural monitoring applications. It continuously converts mechanical vibration into proportional electrical signals and transmits this data through standard industrial interfaces to support steady state operation of machinery protection systems. Seamless orientation flexibility is standard with the 330500-00-04, allowing vertical, horizontal, or any other angle of mounting without performance degradation. The 330500-00-04 has made improvements in several areas over previous velocity sensor designs in addition to incorporating solid-state electronics that eliminate mechanical wear within the sensing element.

The 330500-00-04 provides essential vibration measurement functions common to rotating machinery protection, and is a critical component of the monitoring path, directly affecting the proper, normal operation of the overall machine condition monitoring system. One or multiple 330500-00-04 sensors are required per machine depending on the desired measurement points and redundancy level. The 330500-00-04 occupies minimal mounting space and is always located directly on the bearing housing or machine casing for optimal signal acquisition.

For comprehensive machine protection applications, the 3500 System may utilize multiple 330500-00-04 sensor modules installed at various measurement locations. In addition to standard single sensor operation, redundant sensor configurations can also be implemented for critical machinery. The 330500-00-04 dual sensor configuration executes monitoring using the internal circuitry specified in the transducer specifications. Using this method, the redundant measurement system continually monitors the health of machine vibration signatures. If the system detects that vibration levels exceed configured alarm thresholds (outside acceptable tolerance levels), it will automatically trigger protective actions and place an event in the System Event List.

The 330500-00-04 Bently Nevada Velomitor Piezo-velocity Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330500-00-04 Velomitor Piezo-velocity Sensor Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 330500-00-04 Velomitor Piezo-velocity Sensor Specs

General

  • Manufacturer Bently Nevada
  • Model 330500-00-04
  • Condition New Original ready stock
  • Product Family 330500-00-00,330500-00-01,330500-00-02
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Rotating Machinery: Monitoring pumps, compressors, motors, fans, turbines, and centrifuges.
  • Harsh Environments: Its 316L stainless steel, hermetically sealed casing allows for use in environments with 100% humidity or high magnetic fields.
  • Hazardous Areas: The "-04" suffix specifically indicates multi-certification for hazardous areas, including ATEX/IECEx Zone 1 and CSA Class I Div 1 compliance.
  • Malfunction Detection: It identifies common issues like imbalance, misalignment, and bearing wear.
  • Predictive Maintenance: Provides accurate data to shift from reactive to predictive maintenance strategies.
  • Machine Protection: Integrated into systems to provide "overall machine protection" by continuously transmitting vibration data that reflects rotor health.
  • Absolute Vibration Measurement: Measures vibration relative to free space, ensuring precise tracking of structural and casing movement.
  • System Integration: It is designed to work with Bently Nevada monitoring systems and can support cable lengths up to 305 meters (1,000 feet) without signal degradation.
  • Broadband Monitoring: Captures data across a frequency response range of 4.5 Hz to 5 kHz, allowing for comprehensive health tracking across various operational speeds.
Description
The Bently Nevada™ 330500-00-04 Velomitor Piezo-velocity Sensor is a specialized piezoelectric accelerometer designed to measure absolute (relative to free space) bearing housing, casing, or structural vibration. This 330500-00-04 model incorporates embedded integrated electronics in a solid-state design, ensuring reliable and consistent performance across various industrial environments. Because the 330500-00-04 incorporates solid-state electronics and has no moving parts, it does not suffer from mechanical degradation and wear, and can be mounted vertically, horizontally, or at any other angle of orientation.

This 330500-00-04 Velomitor Piezo-velocity Sensor is specifically designed for machine condition monitoring and predictive maintenance applications. It is ideal for detecting common machine malfunctions such as unbalance, misalignment, and other rotor-related issues that originate as increases or changes in rotor vibration. The 330500-00-04 is particularly effective in scenarios where the system must continually transmit a significant amount of rotor vibration to the machine casing or mounting location of the transducer, making it essential for overall machine protection in critical rotating equipment.

The 330500-00-04 features no mounting thread adaptor and holds multiple agency approvals including CSA and ATEX, ensuring compliance with stringent safety standards for hazardous environments. When installing the 330500-00-04, careful attention must be paid to mounting the accelerometer transducer directly on the bearing housing or machine casing. Improper installation of the 330500-00-04 may decrease the transducer amplitude and frequency response and/or generate false signals that do not represent actual vibration. Additionally, if you integrate the 330500-00-04 Velomitor output to measure displacement, be aware that electrical noise from interference and the transducer circuit can be amplified, potentially degrading performance of the 330500-00-04 transducer and producing inaccurate displacement data.
Alternative Names
330500 00 04 330500-00-00 330500-00-01 330500-00-02 330500-01-04
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the 330500-00-04 Velomitor sensor?
The 330500-00-04 Velomitor Piezo-velocity Sensor is a specialized piezoelectric accelerometer designed to measure absolute vibration of bearing housings, machine casings, and structural components.
What technology does the 330500-00-04 use?
It uses piezoelectric sensing technology with embedded integrated electronics in a solid-state design, ensuring reliable and stable performance.
What are the advantages of its solid-state construction?
The sensor has no moving parts, which eliminates mechanical wear and degradation, and allows installation in any orientation.