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330500-03-01

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The 330500-03-01 is a Bently Nevada Velomitor Piezo-velocity Sensor, a specialized piezoelectric device that measures absolute bearing housing, casing, or structural vibration.
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Technical specifications for 330500-03-01

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330500-03-01
  • Product Family:
    330500 Velomitor Piezo-velocity Sensor
  • Product Name:
    Velomitor Piezo-velocity Sensor
  • Measurement Type:
    Absolute (relative to free space) vibration velocity
  • Technology:
    Piezoelectric accelerometer with embedded integrated electronics
  • Design:
    Solid-state, no moving parts
  • Mounting Thread:
    1/4 - 28 UNF
  • Key Benefit:
    Immunity to mechanical wear and degradation
  • Agency Approvals:
    CSA/US/C
  • Weight:
    0.14 kg
  • Estimated shipping dimensions:
    6.2x2.4x2.4cm
  • 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.
Description
The 330500-03-01 represents a core sensing technology for machinery condition monitoring, specifically engineered to measure absolute vibration relative to free space. This sensor is not a traditional accelerometer but a specialized piezoelectric accelerometer that integrates the signal conditioning electronics directly within its housing.

A key advantage of the 330500-03-01 is its robust, solid-state construction. By incorporating the electronics and having no moving mechanical parts internally, the sensor is immune to the mechanical degradation and wear that can affect traditional seismic velocity transducers. 

For physical installation, the 330500-03-01 is equipped with a standard 1/4-28 UNF mounting thread adapter. This common thread specification facilitates secure mechanical attachment to prepared mounting studs or holes on the asset being monitored.

The application of the 330500-03-01 is focused on providing a reliable velocity signal for condition monitoring and protection systems. Its output is directly usable by monitoring systems for trending, alarming, and machinery protection. The embedded electronics within the 330500-03-01 provide a low-impedance voltage output, making the signal robust against electrical noise and capable of being transmitted over longer cable runs compared to high-impedance charge outputs.
Alternative Names
330500-00-01 330500-01-01 330500-02-01 330500-03-02
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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 type of vibration does the 330500-03-01 sensor measure, and what is its primary application?
The 330500-03-01 is a Velomitor Piezo-velocity Sensor designed to measure absolute vibration (relative to free space). Its primary application is for monitoring bearing housing, casing, or structural vibration on rotating machinery to assess machine health and support predictive maintenance programs.
How does the solid-state design of the 330500-03-01 benefit its performance and installation?
The 330500-03-01 incorporates a solid-state design with embedded integrated electronics and has no moving parts. This makes it immune to mechanical degradation and wear, ensuring long-term calibration stability. A major installation benefit is that the 330500-03-01 can be mounted vertically, horizontally, or at any other angle without any impact on its measurement accuracy or performance.
What are the mounting specifications for the 330500-03-01 sensor?
The 330500-03-01 is supplied with a 1/4 - 28 UNF mounting thread adapter. This standardized thread allows for secure and direct mechanical attachment to a corresponding stud or tapped hole on the machine casing or structure, providing a rigid mount necessary for accurate vibration measurement.
What agency approvals does the 330500-03-01 hold, and why is this important?
The 330500-03-01 carries CSA/US/C agency approvals. These certifications are important as they verify that the sensor meets specific safety, performance, and environmental standards required for use in industrial facilities, particularly in North America. This ensures regulatory compliance and suitability for use in approved hazardous and non-hazardous locations as defined by the certifications.