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330500-03-02

Velomitor Piezo-velocity Sensor

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Technical specifications for 330500-03-02

  • Product Model
    330500-03-02
  • Product Parameters
    Velomitor Piezo-velocity Sensor
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    7.5x2.5x2.5cm
  • Manufacturer
    Bently Nevada
  • Weight
    0.15 kg
  • Mounting Thread Adaptor Option
    1/4 - 28 UNF
  • Agency Approval Option
    ATEX (European)
  • Sensitivity
    3.94 mV/mm/s (100mV/in/s) ±5%
  • Velocity Range
    1270 mm/s (50 in/s) peak
  • Transverse Sensitivity
    Less than 5% of sensitivity
  • Amplitude Linearity
    ±2% to 152 mm/s (6 in/s)peak
  • Dynamic Output Impedance
    Less than 2400 Ω
  • Grounding
    Case isolated

Description

The Bently Nevada 330500-03-02 is a Velomitor Piezo-velocity Sensor. It is a piezoelectric accelerometer with embedded integrated electronics in a solid-state configuration. It has no moving parts and does not suffer from mechanical degradation or wear. The sensor measures absolute vibration relative to free space for bearing housing, casing, or structural vibration. It can be mounted vertically, horizontally, or at any other angle of orientation.

Bently Nevada™ Velomitor Piezo-velocity Sensors aredesigned to measure absolute (relative to free space)bearing housing, casing, or structural vibration. The 330500 isa specialized piezoelectric accelerometer that incorporatesembedded integrated electronics in a solid-state design.

Because the 330500 incorporates solid-state electronics andhas no moving parts, it does not suffer from mechanicaldegradation and wear, and can be mounted vertically,horizontally, or at any other angle of orientation

Alternative Names

330500 03 02 33O5OO-O3-O2 330500-03-00 330500-03-01 330500-03-04 330500-03-0i

Information

Overview Manuals Application Notes Product Applications Cabling & Wiring

Features:

  • Measures absolute vibration relative to free space
  • 2-pin MIL-C-5015 receptacle connector
  • Hazardous area approvals
  • Compliance with multiple directives
The 330500-03-02 Velomitor Piezo-Velocity Sensor is a solid-state vibration transducer designed to measure absolute vibration velocity on bearing housings, machine casings, and structural surfaces. Unlike traditional electromechanical velocity sensors, the Velomitor utilizes a piezoelectric sensing element combined with integrated signal conditioning electronics to generate a direct velocity output without requiring moving internal components. This design eliminates mechanical wear and significantly improves long-term reliability in continuous monitoring applications.

The sensor has a 3/8-24 UNF-2B mounting thread with a minimum threaded depth of 6.4 mm (0.250 in) and a maximum drill depth of 14.0 mm (0.550 in). The case has a 15/16 inch hexagonal section. The overall height is 63.2 mm (2.49 in). The case diameter is 41.40 mm (1.63 in). A 12.7 mm (0.500 in) diameter counterbore is 0.8 mm (0.030 in) deep. The connector is a 2-pin MIL-C-5015 receptacle.

The 330500-03-02 Bently Nevada Velomitor Piezo-Velocity Sensor may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330500-03-02 Velomitor Piezo-Velocity Sensor Manuals, Datasheets, Drivers, 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.
The sensor complies with FCC Part 15. It meets the European EMC Directive 2014/30/EU and the RoHS Directive 2011/65/EU. It holds maritime certifications per DNV rules for classification of ships, high speed and light craft, and offshore structures.
The sensor has hazardous area approvals including CSA/NRTL/C and ATEX/IECEx. For ATEX/IECEx Zone 0/1 installations, the equipment must be connected to apparatus that meets the listed entity parameters. Cables type A or B in compliance with EN 60079-25 must respect the cable parameters listed with the entity parameters. For Zone 2 installations, the supply electrical parameters must not exceed the values in the approval tables. 
  • Oil & Gas:Refining/offshore: monitors critical compressors & pumps
  • Power Generation:Steam/gas turbines: tracks axial thrust & radial vibration
  • Manufacturing & Mining:Paper/steel/mines: protects large motors & gearboxes
  • Electric Motors and Generators:Rotor vibration & misalignment for large motors/generators
  • Gearboxes:Internal shaft stability for high-speed industrial gearboxes
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Cable Limits: You can run up to 305 m (1,000 ft) of twisted, shielded two-conductor cable without signal degradation.
Polarity: Ensure the case movement toward the connector results in positive polarity (Pin A goes positive with respect to Pin B).
Hazardous Areas: If you are operating in hazardous or potentially explosive atmospheres, the sensor must be installed strictly in accordance with official intrinsically safe/explosion-proof drawings (e.g., drawing 167537).

Technical notes

The sensor has a 3/8-24 UNF-2B mounting thread with a minimum threaded depth of 6.4 mm (0.250 in) and a maximum drill depth of 14.0 mm (0.550 in). The case has a 15/16 inch hexagonal section. The overall height is 63.2 mm (2.49 in). The case diameter is 41.40 mm (1.63 in). A 12.7 mm (0.500 in) diameter counterbore is 0.8 mm (0.030 in) deep. The connector is a 2-pin MIL-C-5015 receptacle.

FAQs

  • What is the 330500-03-02?

    +
    The Bently Nevada 330500-03-02 is a specialized Velomitor Piezo-velocity sensor used for monitoring absolute bearing housing and casing vibrations on machines with rolling-element bearings.
  • What is the core function of the 330500 sensor?

    +
    It measures structural and bearing housing vibration in velocity units rather than acceleration, making it ideal for monitoring the health of machines like pumps, fans, and centrifuges.
  • What is the maximum cable length allowed?

    +
    You can run up to 305 meters (1,000 feet) of cable (Bently Nevada Part Number 175873) without any degradation of the vibration signal.
  • What frequency range does it support?

    +
    It tracks vibration frequencies from 4.5 Hz to 5 kHz (with a ±3.0 dB variance) or 6.0 Hz to 2.5 kHz (with a tighter ±0.9 dB variance)
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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