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        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, industrial unit for turbine thrust position monitoring
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, showing terminal section and rugged casing details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, compact monitoring hardware with wiring interface and label details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, industrial unit for turbine thrust position monitoring
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, showing terminal section and rugged casing details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, compact monitoring hardware with wiring interface and label details
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        991-06-XX-01-00 MOD：169955-01

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        The 991-06-XX-01-00 MOD:169955-01 is a 991 Thrust Transmitter featuring a 0.6-0-0.6 mm full-scale range for measuring shaft axial position.
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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 991-06-XX-01-00 MOD：169955-01

        • Manufacturer:
          Bently Nevada
        • Part Number:
          991-06-XX-01-00 MOD：169955-01
        • Product Family:
          991 Thrust Transmitter
        • Product Type:
          991 Thrust Transmitter
        • Full-Scale Range:
          0.6-0-0.6 mm (±0.6 mm)
        • Mounting:
          35 mm DIN rail clips
        • Power Supply:
          Two-wire, loop-powered
        • Output Signal:
          Proportional 4-20 mA (axial displacement)
        • Input Source:
          3300 NSv proximity probe with extension cable (5 m or 7 m options)
        • Agency Approval:
          Not required
        • Key Benefit:
          Solves the pain point of cost-effective axial position monitoring for OEM equipment—0.6-0-0.6 mm bipolar range matches typical thrust movement in small rotating machinery, with simple 4-20 mA output and no agency approvals required.
        • Weight:
          0.5 kg
        • Estimated shipping dimensions:
          10x7.4x5.8cm
        • Tariff Code:
          9031809090
        • 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 Certifications Compatibility

        Features:

        • 0.6-0-0.6 mm bipolar full-scale range provides precise measurement of small axial displacement in pumps, motors, and fans.
        • Two-wire, loop-powered design with 35 mm DIN rail mounting simplifies installation and reduces wiring complexity.
        • No agency approvals required, making it a straightforward choice for OEM equipment destined for non-hazardous locations.
        The 991-06-XX-01-00 MOD:169955-01 is purpose-built for OEMs who need to monitor axial position on equipment where thrust movement is relatively small but still critical for machine protection. Its 0.6-0-0.6 mm bipolar range (±0.6 mm) is ideal for small pumps, motors, and fans where shaft movement is limited but can indicate developing bearing wear or thrust issues. The bipolar output is centered at 12 mA for the neutral position, with the 4-20 mA signal decreasing for negative displacement and increasing for positive displacement.

        The 991-06-XX-01-00 MOD:169955-01 mounts on standard 35 mm DIN rail clips, enabling quick snap-on installation in control panels without drilling mounting holes or using specialized tools. The two-wire, loop-powered design further simplifies installation—power and signal share the same pair of wires, reducing installation time and material costs.

        While the 991-06-XX-01-00 MOD:169955-01 does not offer the advanced features of a full continuous monitoring system—such as dynamic signal capture or diagnostic data—it provides reliable axial position trending and basic alarming at a fraction of the cost. No agency approvals are required, making it suitable for standard industrial environments where hazardous area certifications are not needed.

        The 991-06-XX-01-00 MOD：169955-01 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 991-06-XX-01-00 MOD：169955-01 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 991-06-XX-01-00 MOD：169955-01 Thrust Transmitter Specs

        General

        • Manufacturer GE / Bently Nevada
        • Model 991-06-XX-01-00 MOD：169955-01
        • Condition New Original ready stock
        • Product Family 991-06-50-01-00,991-06-70-01-00,991-00-XX-01-00
        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.
        • General Purpose Machinery: Such as blowers, centrifugal pumps, small reciprocating compressors, and motors.
        • Automation Integration: Due to its standard 4-20 mA current output, it is ideal for factories that lack the budget or space to install a 3500 monitoring frame but need to directly input vibration data into a PLC/DCS.
        • Thrust Bearing Monitoring: Real-time monitoring of rotor displacement relative to the thrust bearing to prevent rotor-stator friction caused by excessive load.
        • Hazardous Area Certification: The "-01" at the end of the model number usually indicates CSA/NRTL/C (Class I, Div 2) certification, suitable for environments with flammable gases.
        • Electromagnetic Compatibility: Complies with European CE standards, possessing strong immunity to electromagnetic interference, and can maintain stable output even in high-voltage environments near large motors.
        • Enclosure Protection: Typically provides NEMA 4X or IP66 environmental protection, resisting water spray, oil, and dust.
        • Probe Compatibility: The 991 system requires either a 3300 NSv probe or a 3300 XL 8mm probe (depending on the specific selection). The -06 in the model number indicates its full-scale range (typically 0.6 mm or 1.2 mm, depending on the specific MOD definition).
        • Two-Wire Connection: Only two wires are needed to transmit power and a 4-20 mA signal simultaneously, greatly simplifying field wiring.
        • BNC Connector Output: A BNC connector is typically provided on the housing for outputting raw dynamic voltage signals, facilitating spectral analysis using portable instruments.
        View as PDF
        Description
        The 991-06-XX-01-00 MOD:169955-01 is a two-wire, loop-powered thrust transmitter engineered for OEM equipment such as centrifugal air compressors, pumps, motors, and fans. It accepts input from 3300 NSv proximity probes with matching extension cables available in 5 m and 7 m system length options. 

        With a 0.6-0-0.6 mm full-scale range, the 991-06-XX-01-00 MOD:169955-01 is suitable for measuring axial displacement in applications where shaft movement is relatively small but still critical for machine protection.

        The loop-powered design of the 991-06-XX-01-00 MOD:169955-01 simplifies wiring, requiring only a 4-20 mA loop connection for both power and signal. No agency approvals are required, making it a straightforward choice for OEMs building equipment for non-hazardous locations. 

        This transmitter solves the pain point of providing cost-effective axial position monitoring for OEM equipment without the complexity of full monitoring systems. The 991-06-XX-01-00 MOD:169955-01 delivers a clean 4-20 mA signal proportional to shaft thrust, enabling control systems to monitor axial position and trend machine health. 
        Alternative Names
        991-00-XX-01-00 991-05-XX-01-00 991-06-50-01-00 991-06-70-01-00
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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 types of OEM equipment is the 991-06-XX-01-00 MOD:169955-01 best suited for?
        Centrifugal air compressors, small pumps, motors, and fans where axial displacement is relatively small but still requires monitoring—the ±0.6 mm range matches these applications well.
        How does the bipolar range affect the 4-20 mA output?
        The output is 12 mA at zero position (neutral), decreasing toward 4 mA for negative displacement, and increasing toward 20 mA for positive displacement.
        What probes are compatible with this transmitter?
        It accepts input from 3300 NSv proximity probes with matching extension cables available in 5 m and 7 m system length options.
        What agency approvals does this transmitter carry?
        No agency approvals are required, simplifying procurement for OEMs building equipment for non-hazardous locations.

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        Product Browsing History

        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, industrial unit for turbine thrust position monitoring
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, showing terminal section and rugged casing details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, compact monitoring hardware with wiring interface and label details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, industrial unit for turbine thrust position monitoring
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, showing terminal section and rugged casing details
        Bently Nevada 991-06-XX-01-00 MOD 169955-01 thrust transmitter, compact monitoring hardware with wiring interface and label details