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        330500-07-01

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        330500-07-01 Velomitor piezoelectric velocity sensor designed to measure absolute vibration (relative to free space) of bearing housings, housings, or structures.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 330500-07-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          330500-07-01
        • Product Family:
          330500 Velomitor Piezo-velocity Sensor
        • Mounting Thread Adaptor:
          3/8 – 16 UNC
        • 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:
          7.2x2.2x2.5cm
        • 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 & Cases Certifications Compatibility & Interoperability

        Features:

        • Velomitor Piezo-velocity Sensor for Absolute Vibration Measurement
        • Solid-State Design with Embedded Integrated Electronics
        • Agency Approval Ratings of CSA/US/C for Hazardous Area Compliance
        The 330500-07-01 operates as a specialized piezoelectric accelerometer designed to measure absolute (relative to free space) bearing housing, casing, or structural vibration. It continuously converts mechanical vibration into electrical signals through its piezoelectric sensing element and embedded integrated electronics, distributing these signals to monitoring systems to support steady state operation of machinery protection and condition monitoring applications. Seamless orientation flexibility is standard with the 330500-07-01, as it can be mounted vertically, horizontally, or at any other angle of orientation without suffering from mechanical degradation and wear. The 330500-07-01 incorporates solid-state electronics and has no moving parts, representing a significant improvement over traditional velocity sensors that are susceptible to mechanical wear.

        The 330500-07-01 provides essential vibration measurement functions critical to machinery protection systems, and is a key component of the monitoring path, directly affecting the proper detection of common machine malfunctions such as unbalance and misalignment. One 330500-07-01 sensor is typically required per measurement point, with the sensor always mounted directly on the bearing housing or machine casing to ensure accurate signal transmission.

        For effective overall machine protection applications, the 330500-07-01 requires proper installation to ensure the system continually transmits a significant amount of rotor vibration to the machine casing or mounting location of the transducer. In addition to standard single sensor operation, the 330500-07-01 installation must follow appropriate instruction manuals and Application Notes to prevent improper mounting that may decrease transducer amplitude and frequency response and/or generate false signals that do not represent actual vibration.

        The 330500-07-01 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 330500-07-01 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 330500-07-01 Velomitor Piezo-velocity Sensor Specs

        General

        • Manufacturer Bently Nevada
        • Model 330500-07-01
        • Condition New Original ready stock
        • Product Family 330500-07-00,330500-07-02,330500-07-04
        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.
        • General Industrial Use: Monitoring pumps, compressors, motors, and fans.
        • Machinery Protection: Detecting common malfunctions such as imbalance or misalignment which manifest as increases in casing vibration.
        • Hazardous Environments: Routinely used in petroleum refining and chemical processing plants where flammable gases or liquids are present.
        • Offshore/Marine: Compliant with standards for offshore oil and gas applications.
        • North America: CSA certified for Classes I, II, and III, Divisions 1 and 2, Groups A through G.
        • International: ATEX and IECEx certifications for Zone 0 (Ex ia), Zone 1, and Zone 2 (Ex nA/nL).
        • EMC Standards: Complies with EN 61326-1 for industrial immunity and FCC Part 15.
        • Maritime: DNV GL-ST-0378 compliant.
        • Environmental: Hermetically sealed (IP68 equivalent) to withstand 100% humidity.
        • Connectivity: Uses a standard 2-pin MIL-C-5015 hermetically-sealed connector.
        • Mounting: The "-07" option specifies a 3/8–16 UNC threaded mounting.
        • Housings: Compatible with the 21128 Velocity Transducer Housing for added protection.
        • Cabling: Supports cable lengths up to 305 meters (1,000 feet) without signal degradation. Specific armored or moisture-resistant cables (e.g., part numbers 9571, 84661, or 89477) are recommended based on the installation environment.
        View as PDF
        Description
        The 330500-07-01 is a specialized Bently Nevada™ Velomitor Piezo-velocity Sensor designed to measure absolute (relative to free space) bearing housing, casing, or structural vibration. This 330500-07-01 sensor is a specialized piezoelectric accelerometer that incorporates embedded integrated electronics in a solid-state design. Because the 330500-07-01 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.

        The 330500-07-01 features a Mounting Thread Adaptor specification of 3/8 – 16 UNC and holds Agency Approval ratings of CSA/US/C. This 330500-07-01 Velomitor Piezo-velocity Sensor is specifically designed for industrial vibration monitoring applications where reliable and accurate measurement of machine casing vibration is critical for predictive maintenance and machinery protection systems.

        This 330500-07-01 sensor is designed to address the challenge of monitoring machine health through casing vibration measurements. Most common machine malfunctions such as unbalance, misalignment, and other rotor-related issues originate as an increase or change in rotor vibration. The 330500-07-01 solves the problem of detecting these early warning signs by measuring the vibration transmitted from the rotor to the machine casing. For any individual casing measurement to be effective for overall machine protection, the system must continually transmit a significant amount of rotor vibration to the machine casing or mounting location of the 330500-07-01 transducer.

        When installing the 330500-07-01, careful attention must be paid to mounting the accelerometer transducer directly on the bearing housing or machine casing. Improper installation of the 330500-07-01 may decrease the transducer amplitude and frequency response and/or generate false signals that do not represent actual vibration. Users should refer to the appropriate instruction manuals and Application Notes for proper installation procedures of the 330500-07-01.

        If you integrate the 330500-07-01 Velomitor output to measure displacement, electrical noise from interference and the transducer circuit can be amplified. This noise can degrade performance of the 330500-07-01 transducers and produce inaccurate displacement data, which is an important consideration when configuring monitoring systems using this 330500-07-01 sensor.
        Alternative Names
        330500 07 01 330500-07-00 330500-07-02 330500-07-04 330500-06-01
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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.
        VIEW ALL FAQS
        What issues can arise from improper installation?
        Incorrect mounting may result in reduced signal accuracy, distorted readings, or false vibration data that does not reflect actual machine conditions.
        Are there any concerns when using the 330500-07-01 sensor for displacement measurement?
        Yes, when integrating the output for displacement measurement, electrical noise from interference and the transducer circuit may be amplified, potentially affecting accuracy.
        How can electrical noise impact the sensor performance?
        Amplified noise can degrade the performance of the transducer and lead to inaccurate displacement readings.

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