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- Bently Nevada
- 990 and 991 Transmitter
- 990-05-XX-01-00 MOD:165335-01
In Stock
Ships by Sunday, August 16
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· Product image is representative; revision or series may vary. Contact us to request a specific version.
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.
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.
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.
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.
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.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 990-05-XX-01-00 MOD:165335-01
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Product Model990-05-XX-01-00 MOD:165335-01
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Spare Model990-05-XX-01-00
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Product Parameters990 Vibration Transmitter
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size10x7.4x6cm
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ManufacturerBently Nevada
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Weight0.45 kg
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Full-scale Option0-5 mils pp (0-125 μm pp)
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System Length Option5.0 meters/ 7.0 meters
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Mounting Option35 mm DIN rail clips
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Agency Approval OptionNot required
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Frequency Response5 Hz to 6 kHz, +0 / −3 dB
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Probe Gap Range0.5–1.75 mm / 20–55 mils
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Prox Out Scale Factor7.87 mV/μm / 200 mV/mil, ±10%
Description
The 990 Vibration Transmitter is intended primarily for theoriginal equipment manufacturers (OEMs) of centrifugal aircompressors or small pumps, motors, or fans who prefer toprovide a simple 4 to 20 mA proportional vibration signal asthe input to their machinery control system.
The transmitter is a two-wire, loop-powered device thataccepts input from our 3300 NSv proximity probe and itsmatching extension cable (available in 5 m and 7 m systemlength options).The transmitter conditions the signal into appropriate peakto-peak vibration amplitude engineering units, and providesthis value as a proportional 4 to 20 mA industry-standardsignal as the input to the control system where machineryprotection alarming and logic occurs
The transmitter is a two-wire, loop-powered device thataccepts input from our 3300 NSv proximity probe and itsmatching extension cable (available in 5 m and 7 m systemlength options).The transmitter conditions the signal into appropriate peakto-peak vibration amplitude engineering units, and providesthis value as a proportional 4 to 20 mA industry-standardsignal as the input to the control system where machineryprotection alarming and logic occurs
Information
Overview
Manuals
Application Notes
Product Applications
Mechanical Insertion & Mounting
Features:
- Integrated Proximitor Sensor
- Non-Isolated PROX OUT and COM Terminals with Coaxial Connector
- Non-Interacting Zero and Span Potentiometers
- Test Input Pin for Quick Verification
- Potted Construction for High Humidity Environments
The transmitter operates as a two-wire, loop-powered device and accepts the signal from a compatible Bently Nevada 3300 NSv proximity probe and matching extension cable. The integrated Proximitor Sensor eliminates the need for a separate external Proximitor interface in the transmitter installation. The measured vibration signal is conditioned and converted into a proportional 4–20 mA DC output for transmission to a machinery control or monitoring system.
The 990-05-XX-01-00 MOD:165335-01 Bently Nevada 990 Vibration Transmitter may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 990-05-XX-01-00 MOD:165335-01 990 Vibration 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.
The 990 Vibration Transmitter's PROX OUTcoaxial connector provides a non-isolateddynamic transducer signal for machinerydiagnostics. You can connect this signaldirectly to battery-powered or isolated testequipment to diagnose machinery problems.However, since the PROX OUT signal is notisolated from the 4 to 20 mA loop signal, aninterface is available (and stronglyrecommended) for signal isolation.
The990/991 Test Adapter conditions the 990Transmitter's PROX OUT signal for use with acpowered test equipment. It also inverts andisolates the 990's transducer signal, making itsuitable for equipment such as oscilloscopesand analyzers, and preserving industrystandard conventions for signal polarity. Westrongly recommend the use of this testadapter for all applications to maintain isolation between test equipment and the loopsignal, and ensure that the installationmaintains machinery protection integrity.
- Centrifugal Air Compressors: Tracks rotor dynamics and clearances in small/mid-sized OEM setups
- Industrial Pumps/Motors: Monitors bearing/shaft vibrations to prevent cavitation or alignment failures
- Small Gas/Steam Turbines: Tracks radial displacement and thermal expansion in power/drive systems
- Industrial Fans/Blowers: Validates balancing and prevents blade imbalances causing casing vibrations
- Generators/Alternators: Tracks rotational stability and eccentricities in plant power modules
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Option 1: DIN-Rail Mounting (-01 Option): Snap the transmitter directly onto a standard 35 mm DIN rail.
Option 2: Bulkhead Mounting: Secure the transmitter directly to a flat surface panel using the integrated mounting flanges and appropriate screws.
Environmental Tip: The device has a potted construction to survive up to 100% condensing humidity. However, avoid routing its field wiring near high-voltage cables to minimize electromagnetic interference
Alternative Names
990-05-XX-01-00 MOD:165335-0I
990-05-XX-01-00 MOD:165335-O1
990-05-XX-01-00 MOD:I65335-01
990-05-XX-01-00 M0D:165335-01
990-05-XX-01-OO MOD:165335-01
990-05-XX-0I-00 MOD:165335-01
990-05-XX-O1-00 MOD:165335-01
990-O5-XX-01-00 MOD:165335-01
99O-05-XX-01-00 MOD:165335-01
990 05 XX 01 00 MOD:165335-01
990 05 XX 01 00 MOD:165335-0I
990 05 XX 01 00 MOD:165335-O1
990 05 XX 01 00 MOD:I65335-01
990 05 XX 01 00 MOD-165335-01
990 05 XX 01 OO MOD:165335-01
990 05 XX OI 00 MOD:165335-01
990 O5 XX 01 00 MOD:165335-01
99O 05 XX 01 00 MOD:165335-01
Technical notes
The transmitter provides a standard 4–20 mA output proportional to vibration amplitude. The output can be connected directly to a control system analog input for continuous monitoring, alarm logic, trend recording, and machinery condition assessment. The specified loop output accuracy is approximately ±1.5%, with a frequency response of approximately 5 Hz to 6 kHz.
FAQs
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What is the purpose of the 990-05-XX-01-00 transmitter?
+It accepts input from a Bently Nevada 3300 NSv proximity probe and extension cable, conditions the signal into peak-to-peak vibration amplitude units, and provides a proportional 4-20 mA industry-standard signal to a control system for machinery monitoring and protection -
What input does the transmitter accept?
+It accepts input from a compatible Bently Nevada 3300 NSv proximity probe and its matching extension cable. -
What sensors are compatible with this transmitter?
+It is specifically to interface with the 3300 NSv proximity probe and its matching extension cable. This is ideal for installations with minimal radial clearance, such as centrifugal air compressors. -
What are the dynamic signal outputs used for?
+Aside from the 4–20 mA loop signal, the transmitter features non-isolated PROX OUT and COM terminals, plus a coaxial connector. These are used for raw diagnostic purposes to measure gap voltage and dynamic vibration using external testing equipment.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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