• Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      sales1@apterpower.com
      +86 181 0690 9650
      Request a

      Fast Quote

      Manufacturers
      ALL MANUFACTURERS
      • Please try to be as accurate as possible with your search.
      • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
      • We can't find any results for “”.
        Manufacturers
        sales1@apterpower.com +86 181 0690 9650
        Choose a manufacturer
        ALL MANUFACTURERS
        Ask our team:
        • Phone: +86 181 0690 9650
        • E-Mail sales1@apterpower.com

        • Lifecycle status

          Active / Available from OEM
          Apter Power provides authentic Bently Nevada thrust transmitters to optimize critical machinery safekeeping.

        991-01-XX-01-05 MOD:284318-01

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The Bently Nevada 991-01-XX-01-05 MOD:284318-01 Thrust Transmitter delivers precise thrust and vibration monitoring with integrated Proximitor sensor technology.
        In Stock
        Ships by Friday, October 30
        Fast Shipping Available
        Get a quick price for 991-01-XX-01-05 MOD:284318-01
        Quantity
        *E-mail
        Company
        *Mobile
        *Content
        Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
        Get a Quote
        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 991-01-XX-01-05 MOD:284318-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          991-01-XX-01-05 MOD:284318-01
        • Product Family:
          991 Thrust Transmitter
        • Product Type:
          Thrust Transmitter
        • Stock:
          12
        • Mounting Option:
          35 mm DIN-rail clips
        • Agency Approval Option:
          CSA Division 2, ATEX Zone 0, ATEX Zone 2 and includes ABS maritime approval
        • Output:
          4-20mA (per channel)
        • Power Supply:
          18-30V DC, 50mA typical
        • Resolution:
          0.1% of full scale
        • Accuracy:
          ±1% of reading or ±25µm (±1 mil)
        • Weight:
          0.44 kg
        • Estimated shipping dimensions:
          7.3x5x10cm
        • 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 Application Protection Features Upgrade Procedures

        Features:

        • Provides continuous monitoring of vibration, position, speed, and temperature.
        • Customer-specific option requiring verification of exact specifications.
        • CSA, ATEX, IECEx certified for installation in explosive atmospheres.
        The 991-01-XX-01-05 MOD:284318-01 is a Turbine Supervisory Instrumentation (TSI) monitor card designed for the Bently Nevada 991 Series machinery protection system. It provides continuous, online monitoring of critical turbine parameters including vibration, position, speed, and temperature. The 991-01-XX-01-05 MOD:284318-01 is a rack-mounted module with LED status indicators for channel health and alarm conditions. This monitor card is essential for protecting steam, gas, and hydro turbines, as well as compressors and pumps, by providing early warning of developing faults and preventing catastrophic failures.

        The "MOD:284318-01" suffix on the 991-01-XX-01-05 indicates a custom modification or customer-specific option, which may include special configuration parameters, firmware, or application-specific requirements. This customization allows the 991-01-XX-01-05 MOD:284318-01 to be tailored for unique installation conditions where standard cards may not be suitable. The exact specifications of the "MOD:284318-01" modification must be verified against the original order documentation or the product nameplate to ensure correct application. The 991-01-XX-01-05 MOD:284318-01 supports redundant power supply configurations for high availability.

        The 991-01-XX-01-05 MOD:284318-01 carries CSA, ATEX, and IECEx approvals for hazardous area installations, making it suitable for use in refineries, chemical plants, and offshore platforms where explosive gases or dust may be present. The 991-01-XX-01-05 MOD:284318-01 is a discontinued spare part but remains available through aftermarket suppliers for maintaining legacy Bently Nevada 991 Series systems. This ensures continued operation of existing turbine monitoring installations without requiring a full system upgrade.

        The 991-01-XX-01-05 MOD:284318-01 Bently Nevada Thrust Transmitter may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Bently Nevada 991-01-XX-01-05 MOD:284318-01 Thrust Transmitter 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.
        Bently Nevada 991-01-XX-01-05 MOD:284318-01 Thrust Transmitter Specs

        General

        • Manufacturer GE / Bently Nevada
        • Model 991-01-XX-01-05 MOD:284318-01
        • Condition New Original ready stock
        • Product Family 991-01-XX-02-05,991-01-XX-01-CN,991-06-XX-01-00 169955-01
        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.
        • Centrifugal Air Compressors: Extensively used to monitor fluid-film thrust bearing degradation and prevent impeller-to-shroud rubbing.
        • Industrial Pumps & Fans: Applied to multi-stage boiler feed pumps, high-capacity water pumps, and cooling tower fans where axial thrust tracking is mandatory.
        • Small Steams Turbines & Motors: Utilized on balance-of-plant auxiliary machinery for basic shaft alignment trending.
        • Not OK / Signal Defeat Circuit: Automatically overrides the 4-20 mA output and forces the control loop to a low fault status if the proximity probe fails, the cable is cut, or an electrical connector becomes loose, successfully preventing false machinery trip signals.
        • Power-up Inhibit Circuit: Suppresses output data during initial powering stages to eliminate false alarm spikes triggered by line voltage transients.
        • Dynamic Signal Access (PROX OUT): Features non-isolated PROX OUT and COM terminal pins along with a built-in coaxial connector. This allows technicians to plug in a portable analyzer (like a Bently Nevada SCOUT) to capture real-time gap voltage and dynamic vibration waveforms without disrupting the 4-20 mA protection loop.
        • Mounting: The unit features a 35mm DIN-rail clip, allowing for easy installation in standard cabinets. It should be grounded to the metal chassis.
        • Probe Connection: Connect the 3300 NSv Proximity Probe and extension cable (5 or 7 meters total) to the terminal block.
        • Loop Power: Use a standard twisted, shielded pair for the 4-20 mA loop connection to the DCS/PLC, utilizing an external +24 VDC power supply.
        Description
        The 991-01-XX-01-05 MOD:284318-01 Thrust Transmitter is designed for accurate monitoring of axial thrust and vibration in rotating machinery. It integrates a high-precision Proximitor Sensor, eliminating the need for an external sensor unit while maintaining superior accuracy of ±1% of reading or ±25 µm. The transmitter provides 4–20 mA output per channel, suitable for industrial control systems and diagnostic applications.

        991-01-XX-01-05 MOD:284318-01 robust design features a choice of 35 mm DIN-rail clips or bulkhead mounting screws, allowing flexible installation in various plant environments. The transmitter’s potted construction ensures reliable operation in high-humidity environments, including conditions with 100% condensing moisture.

        For diagnostics and system monitoring, the 991-01-XX-01-05 MOD:284318-01 offers non-isolated PROX OUT and COM terminals and a coaxial connector, providing dynamic vibration and gap voltage signals. Non-interacting zero and span potentiometers allow straightforward loop adjustment, while the Power-up Inhibit and Not OK/Signal Defeat circuits protect against transient errors and faulty sensor connections.

        Compatible with 3300 NSv proximity probes, the 991-01-XX-01-05 MOD:284318-01 can be installed in compact spaces, making it suitable for both new installations and retrofits in confined machinery areas. Its precise and reliable performance ensures continuous monitoring of critical machinery components.
        Alternative Names
        gg1-01-XX-01-05 MOD:284318-01 99I-0I-XX-0I-05 MOD:2843I8-0I 991-O1-XX-O1-O5 MOD:284318-O1 991-01-XX-01-05 MOD:Z84318-01 991-01-XX-01-05 MOD:2B431B-01 991-01-XX-01-05 MOD:284318-01 99101XX0105 MOD:28431801
        Technical notes
        The Bently Nevada 991-01-XX-01-05 MOD:284318-01 is a Turbine Supervisory Instrumentation (TSI) monitor card designed for the 991 Series machinery protection system . It provides continuous, online monitoring of critical turbine parameters such as vibration, position, speed, and temperature . The "MOD:284318-01" suffix indicates a custom modification or customer-specific option, requiring verification of exact specifications.
        Exceptional Service

        Our Mission

        • 100% Satisfaction

          We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.

        • Trust Guaranteed

          Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.

        • Expertise

          Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

        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 mounting options are 991-01-XX-01-05 MOD:284318-01 available?
        The 991-01-XX-01-05 MOD:284318-01 transmitter can be mounted using 35 mm DIN-rail clips or bulkhead mounting screws.
        What is the 991-01-XX-01-05 MOD:284318-01 power supply requirement?
        The unit operates at 18–30 V DC with a typical current of 50 mA.
        What type of output does 991-01-XX-01-05 MOD:284318-01 provide?
        The 991-01-XX-01-05 MOD:284318-01 transmitter provides 4–20 mA output per channel.

        You May Also Like

        Product Browsing History