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        Bently Nevada 89477-17
        Bently Nevada 89477-17
        Bently Nevada 89477-17
        Bently Nevada 89477-17
        Bently Nevada 89477-17
        Bently Nevada 89477-17
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        • Lifecycle status

           Discontinued / Obsolete by OEM
          Apter Power provides premium, heavy-duty Bently Nevada sensor cables and hardware, offering a dependable supply of critical rotating machinery protection replacement parts.

        89477-17

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        1001 reviews ｜ Need a Specific Revision?
        The Bently Nevada Velomitor Piezo-velocity Sensor, model 89477-17, is a specialized piezoelectric accelerometer designed for measuring absolute bearing housing or structural vibration.
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        Ships by Thursday, October 29
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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 89477-17

        • Manufacturer:
          Bently Nevada
        • Part Number:
          89477-17
        • Product Family:
          330500 Velomitor Piezo-velocity Sensor
        • Product Type:
          Two-conductor 18 AWG twisted, shielded cable
        • Stock:
          1
        • Sensor Type:
          Piezoelectric Accelerometer
        • Measurement Type:
          Absolute (Seismic) Vibration Velocity
        • Measurement Target:
          Bearing Housing, Casing, Structural Vibration
        • Integrated Cable:
          Two-conductor 18 AWG, Twisted & Shielded
        • Standard Cable Length Range:
          2.0 ft (0.6 m) Minimum to 99 ft (30 m) Maximum
        • length:
          17ft
        • Weight:
          0.2 kg
        • Estimated shipping dimensions:
          25x24x3cm
        • 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 Use Cases Diagnostics & Protection Safety & Compliance

        Features:

        • Interconnect Cable for Velomitor Piezo-Velocity Sensors and Monitoring Systems
        • Combines Shielded Dual-Conductor Design with Flexible Length Options
        • Operates in Conjunction with the 21128 Sensor Housings and 3500 Monitoring Systems
        The 89477-17 operates as a dual-conductor shielded interconnect cable in industrial monitoring applications, providing reliable signal transmission between sensors and monitoring equipment. It continuously transmits vibration signals from Velomitor sensors through 18 AWG stranded copper conductors with effective shielding against electromagnetic interference. Seamless signal integrity is standard with the 89477-17, however using an optional extended length configuration will allow installation flexibility in various industrial environments. The 89477-17 has made improvements in signal reliability over previous cable designs in addition to incorporating robust temperature tolerance capability within harsh industrial conditions.

        The 89477-17 provides essential connection functions common to the entire monitoring path, and is a critical component of the measurement chain, directly affecting the proper, normal operation of the overall sensor system. One 89477-17 cable is required per sensor connection depending on the installation distance. The 89477-17 occupies a standard cable routing position and is always connected between the sensor (right-angle dual socket connector) and the monitoring equipment (terminal end).

        For extended distance applications, the monitoring system requires selecting the appropriate 89477-17 cable length option from the available range. In addition to standard 17-foot length, the cable configuration also performs reliable transmission over alternatives. The 89477-17 length options execute signal delivery using the shielded conductor design specified in the cable specifications. Using this method, the cable system continually maintains signal quality across the full length. If the system requires installation beyond standard distances (outside the 2-99 feet range), it will accommodate through the available length variations and ensure proper sensor connectivity.

        The 89477-17 Bently Nevada Interconnect Cable may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 89477-17 Interconnect Cable 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 89477-17 Interconnect Cable Specs

        General

        • Manufacturer Bently Nevada
        • Model 89477-17
        • Condition New Original ready stock
        • Product Family 89477-16,89477-15,89477-18
        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.
        • Industrial Condition Monitoring: Used to transmit high-precision vibration, position, or speed signals from rotating machinery (e.g., turbines, compressors, motors) to monitoring systems like the Bently Nevada 3500 Series.
        • Tight Space Installations: The cable features a right-angle two-socket plug on one end, making it ideal for routing in confined areas around machine housings where straight connectors would not fit.
        • Long-Distance Signal Integrity: Engineered as a two-conductor 18 AWG twisted, shielded cable to ensure consistent signal quality with minimal degradation over its 17-foot length.
        • Signal Shielding: The shielded design protects sensitive diagnostic data from Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) commonly found in industrial environments.
        • Noise Rejection: The twisted-pair construction helps cancel out crosstalk and external noise, which is essential for accurate machinery health diagnostics.
        • Environmental Durability: Typically constructed with robust insulation (such as PTFE or FEP) to withstand oils, chemicals, and extreme temperatures found in heavy industry.
        • Standard Compliance: Industrial interconnect cables like the 89477 series are often designed to meet or exceed international standards such as ISO/IEC 11801 and TIA/EIA-568 for signal performance.
        • Hazardous Area Ratings: Depending on the specific configuration, these cables may comply with safety standards for use in explosive atmospheres (e.g., ATEX or IECEx), though users should verify the specific rating for the "-17" variant.
        • Material Safety: Many variants are RoHS Compliant, ensuring they are free from restricted hazardous substances like lead or mercury.
        Description
        The 89477-17 represents a robust solution for measuring absolute vibration relative to free space, specifically targeting bearing housings, casings, and structural components on rotating machinery. This sensor is not a traditional moving-coil geophone; it is a specialized piezoelectric accelerometer with embedded integrated electronics in a solid-state, hermetically sealed design. 

        This solid-state construction of the 89477-17 provides significant installation flexibility. Unlike moving-coil sensors that must be mounted in a specific orientation (typically vertical) to function correctly, the 89477-17 can be mounted vertically, horizontally, or at any angle without any compromise in its measurement accuracy or performance. 

        The sensor is delivered as an integrated unit with a permanently attached output cable. The standard configuration for the 89477-17 includes a two-conductor 18 AWG twisted, shielded cable.

        The primary application for the 89477-17 is to provide a velocity-proportional signal for machinery protection systems. Its output is directly compatible with a wide range of Bently Nevada and other vibration monitors.
        Alternative Names
        89477-01 89477-05 89477-88 89478-01 89477-27 89477-10 89477-15 89477-16 89477-18
        Technical notes
        The Bently Nevada 89477-17 cable features a low-profile, right-angle dual-socket plug on one end, adaptable to confined spaces in sensor installation locations; the other end is pre-installed with terminals for secure, direct connection to standard monitoring systems and racks. This robust cable construction withstands harsh environments, provides excellent EMI/RFI protection, and is fully compatible with the 21128 speed sensor housing and a wide range of industrial monitors.
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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 is the primary advantage of the Velomitor sensor model 89477-17 over a traditional moving-coil velocity sensor?
        The key advantage of the 89477-17 is its solid-state design with no moving parts. Traditional moving-coil sensors contain a spring-suspended coil that is prone to mechanical wear, degradation over time, and is highly sensitive to mounting orientation. The 89477-17, as a piezoelectric accelerometer with integrated electronics, suffers from none of these issues, offering superior long-term reliability and stability.
        Are there any restrictions on how I can mount the 89477-17 sensor?
        No, there are no orientation restrictions. A major benefit of the 89477-17 is that it can be mounted vertically, horizontally, or at any other angle without affecting its calibration or performance. This is a direct result of its solid-state, piezoelectric design, which is insensitive to gravitational effects on internal components.
        What is the purpose of the permanently attached cable on the 89477-17, and what are its specifications?
        The 89477-17 comes with an integral two-conductor 18 AWG twisted, shielded cable to ensure signal integrity and provide a direct, reliable connection. The cable has a right-angle plug at the sensor end and prepared leads (terminal lugs) at the field end. Its length is specified at the time of order and can range from a minimum of 2.0 feet (0.6 m) to a maximum of 99 feet (30 m).
        Can the 89477-17 be used with a standard mounting bracket, and what is the 21128 housing?
        Yes, the 89477-17 is designed for standard industrial mounting. The 21128 Velocity Transducer Housing is a specific accessory engineered to securely house and protect the 89477-17 sensor. It provides a robust mechanical interface for bolting the sensor assembly to a machine casing or bearing housing, ensuring a stable mounting and protecting the sensor connection.

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