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        Bently Nevada 21747-075-01
        Bently Nevada 21747-075-01
        Bently Nevada 21747-075-01
        Bently Nevada 21747-075-01
        Bently Nevada 21747-075-01
        Bently Nevada 21747-075-01
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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supplies tested, obsolete Bently Nevada 21747-075-01 cables to maintain reliable data paths and avoid costly system overhauls.

        21747-075-01

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The 21747-075-01 is a non-contacting, eddy-current-based measurement system designed for accurate and reliable displacement, vibration, and position monitoring on rotating and reciprocating machinery such as turbines, compressors, and pumps.
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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 21747-075-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          21747-075-01
        • Product Family:
          7200 Proximity Transducer Systems
        • Product Type:
          Extension Cable
        • Stock:
          6
        • Principle:
          Eddy Current
        • Probe Diameters:
          5 mm, 8 mm
        • Linear Measuring Range:
          80 mils (2.0 mm)
        • Scale Factor:
          200 mV/mil (7.87 V/mm) ±4% (system calibrated)
        • Linearity:
          Within 0.8 mils (0.02 mm) of straight line
        • Frequency Response:
          0 Hz (DC) to 10 kHz (600,000 cpm); -5% at 10 kHz
        • Power Supply:
          -17.5 to -26 Vdc, 12 mA max
        • Probe Operating Temp:
          -30°F to +350°F (-34°C to +177°C)
        • Proximitor Operating Temp:
          -60°F to +212°F (-51°C to +100°C)
        • Weight:
          0.7 kg
        • Estimated shipping dimensions:
          30x28x4cm
        • 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 Certifications & Standards Operating Environment Applications

        Features:

        • System length compatibility allows for a total system length of 5 meters or 9 meters from the probe tip to the proximity device.
        • A robust and durable construction enhances its resistance to physical impacts.
        • Probes and extension cables of the same length are completely interchangeable with Proximitors of the same part number.
        When used with matching 7200 series probes and Proximitors, this extension cable allows the complete transducer system to achieve either 5 metres (16.4 feet) or 9 metres (29.6 feet) of total lead length. This flexibility supports different machine layouts and installation requirements without degrading measurement performance.

        The 21747-075-01 can be ordered with stainless steel armor, which provides enhanced mechanical protection for the cable in harsh industrial environments. This feature is particularly beneficial in applications where the cable may be exposed to impact, abrasion, or other physical stresses during installation or machine operation.

        All 7200 series probes and extension cables with identical electrical lengths can be freely interchanged with Proximitors sharing the same part number, without requiring system recalibration. This simplifies maintenance, reduces spare part inventory complexity, and ensures consistent measurement accuracy during field replacements.

        The 21747-075-01 Bently Nevada Extension Cable may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Bently Nevada 21747-075-01 Extension 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 21747-075-01 Extension Cable Specs

        General

        • Manufacturer GE / Bently Nevada
        • Model 21747-075-01
        • Condition New Original ready stock
        • Product Family 21747-075-00,21747-045-00,21747-080-00
        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.
        • Compatible with API 670 requirements.
        • Certified for hazardous locations by CSA, BASEEFA, and FM (refer to Data Sheet L1035 for details).
        • Compatible with Bently Nevada 3300 and 9000 Monitoring Systems.
        • Frequency response: 0 to 10 kHz (0 to 600,000 cpm).
        • Probe & Extension Cable Temperature: -34°C to +177°C (-30°F to +350°F).
        • Relative Humidity: Up to 95% non-condensing.
        • Corrosion Resistance (8 mm probes): Unaffected by air, water, lube oil, 10% sulfuric acid, MEK, and DMF.
        • Radial vibration measurement for rotor imbalance and misalignment detection.
        • Axial thrust position monitoring to determine thrust bearing wear.
        • Shaft average radial position measurement to assess rotor stability.
        • Eccentricity measurement to quantify rotor bow.
        Description
        The 21747-075-01 proximity transducer system is engineered for precision non-contact gap-to-voltage measurement in demanding industrial environments. Operating on the proven eddy current principle, it measures static and dynamic distances between its probe tip and a target surface, typically a shaft. 

        A key component of the 21747-075-01 is its durable proximity probe. The system features improved designs, such as models constructed from robust materials like polyphenylene sulfide (PPS) for harsh environments, and includes features like the Cable Loc for enhanced durability. 

        The performance of the 21747-075-01 is characterized by its high accuracy and reliability. It provides a calibrated range of 80 mils (2.0 mm) starting approximately 10 mils from the probe face, with a system scale factor of 200 mV/mil (±4%). 

        Finally, the 21747-075-01 system is designed for integration and safety. It interfaces seamlessly with Bentley Nevada's 3300 and 9000 monitoring systems via its Proximitor, which can be located up to 1000 feet from the monitor without signal degradation. 
        Alternative Names
        21747-O75-O1 2I747-075-0I 2174707501 21747-075-00 21747-080-00 21747-040-00 21747-065-01 21747-045-01
        Technical notes
        The 21747-075-01 is an 8 mm extension cable for the 7200 Series proximity transducer system, designed to achieve a total system length (probe + cable) of 5 or 9 meters. It connects a 7200 series probe to a 18745 Proximitor, operating over a temperature range of -34°C to +177°C (-30°F to +350°F).
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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 typical application of the 21747-075-01 proximity transducer system?
        The 21747-075-01 is primarily used for non-contact measurement of shaft radial vibration, axial (thrust) position, eccentricity, and average radial position on rotating machinery like turbines, compressors, and pumps. Its DC to 10 kHz frequency response makes it ideal for capturing both slow position changes and dynamic vibration for condition monitoring and diagnostics.
        What is the calibrated measuring range and scale factor of the 21747-075-01 system?
        The 21747-075-01 system has a calibrated linear range of 80 mils (2.0 mm), beginning approximately 10 mils (0.25 mm) from the probe face. It provides a scale factor of 200 mV per mil (7.87 V/mm) with a tolerance of ±4% when calibrated as a complete system (probe, cable, and Proximitor).
        What environmental conditions can the 21747-075-01 probe withstand?
        The probe and extension cable for the 21747-075-01 are rated for operation from -30°F to +350°F (-34°C to +177°C). Specifically, the 8 mm probes are constructed from PPS plastic, offering excellent corrosion resistance against direct contact with water, lube oil, dilute sulfuric acid, and various chemicals, making the 21747-075-01 suitable for harsh environments.
        Is the 21747-075-01 system suitable for use in hazardous locations, and what is the maximum cable run to the monitor?
        Yes, most Bentley Nevada 7200 series transducers, which include the 21747-075-01, are certified by CSA, BASEEFA, and FM for specific hazardous locations (consult Data Sheet L1035 for details). The Proximitor for the 21747-075-01 can be located up to 1,000 feet (approximately 305 meters) from standard Bentley Nevada monitors without degradation of the system's performance.

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