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990-10-50-03-00

990 Vibration Transmitter

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Technical specifications for 990-10-50-03-00

  • Product Model
    990-10-50-03-00
  • Product Parameters
    990 Vibration Transmitter
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • Estimated Shipping Size
    7.4x5.8x10cm
  • Manufacturer
    Bently Nevada
  • Weight
    0.5 kg
  • Power Requires
    +12 to +35 Vdc input atthe transmitter terminal
  • 4 to 20 mA signal output
    4 to 20 mAdc over specified fullscale range in 2-wireconfiguration
  • Maximum loop resistance
    1,000 Ω including cable at 35 Vdc
  • Current limiting
    23 mA typical
  • Zero and span
    Non-interacting externaladjustment
  • Frequency response
    5 Hz to 6,000 Hz +0, 3 dB
  • Minimum target size
    9.5 mm (0.375 in) diameter

Description

The Bently Nevada 990 is a vibration transmitter intended primarily for original equipment manufacturers of centrifugal air compressors or small pumps, motors, and fans. The Bently Nevada 990 provides a simple 4 to 20 mA proportional vibration signal as the input to machinery control systems where machinery protection alarming and logic are implemented.

The Bently Nevada 990 is a two-wire, loop-powered device that accepts input from the 3300NSv proximity probe and its matching extension cable, available in 5 m and 7 m system lengths. The Bently Nevada 990 conditions the signal into appropriate peak-to-peak vibration amplitude engineering units and provides this value as a proportional 4 to 20 mA industry-standard signal.

Alternative Names

990 10 50 03 00 99O-1O-5O-O3-OO 990-10-50-03-05 990-10-50-03-CN 990-10-50-03-BR 990-10-50-03-RU 990-10-70-03-00

Information

Overview Manuals Application Notes Product Applications Mechanical Mounting & Target Clearance

Features:

  • 4 to 20 mA Loop-Powered Output
  • Integrated Proximitor Sensor
  • Non-Isolated PROX OUT and Dynamic Signal Access
  • Non-Interacting Zero and Span Adjustment
The Bently Nevada 990 incorporates an integrated Proximitor sensor, which means no external unit is required. The Bently Nevada 990 provides non-isolated "PROX OUT" and "COM" terminals plus a coaxial connector to deliver a dynamic vibration and gap voltage signal output for diagnostics. The coaxial connector on the Bently Nevada 990 provides a non-isolated dynamic transducer signal for machinery diagnostics. This signal can be connected directly to battery-powered or isolated test equipment. Since the PROX OUT signal is not isolated from the 4 to 20 mA loop signal, the 990/991 Test Adapter is available and strongly recommended for signal isolation when connecting to AC-powered test equipment.

The Bently Nevada 990 includes non-interacting zero and span potentiometers located under the transmitter label. These potentiometers on the Bently Nevada 990 support loop adjustment without one setting affecting the other. The Bently Nevada 990 also includes a Test Input pin for quick verification of loop signal output using a function generator as the input source.

The 990-10-50-03-00 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 990-10-50-03-00 990 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 Bently Nevada 990 features a Not OK / Signal Defeat circuit. This circuit in the Bently Nevada 990 prevents high outputs or false alarms due to a faulty proximity probe or loose connection. The Bently Nevada 990 offers a choice of DIN-rail clips or bulkhead mounting screws as standard options, which simplifies installation in various mounting configurations.
 
The Bently Nevada 990 utilizes potted construction. This construction allows the Bently Nevada 990 to operate in high humidity environments up to 100% condensing. The Bently Nevada 990 is compatible with the 3300NSv proximity probe, which allows transducer installation in small areas with minimal clearance, typical of centrifugal air compressor applications.
  • Oil & Gas / Petrochemical:Refineries, rigs & pipelines: monitors compressors/pumps
  • Power Generation:Thermal/nuclear/hydro: turbine-generator stability
  • Water & Municipal Engineering:Wastewater & water supply: high-power pumps
  • Chemical Processing:Process gas machinery under heavy thermal cycles
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.
Mounting Method: Secure the device using the integrated 35 mm DIN rail clips or utilize the bulkhead screw holes for direct panel mounting.
Thread Engagement: Ensure internal thread engagement lengths do not exceed 1.5 times the nominal thread diameter to prevent physical binding during probe installation.
Minimum Target Size: The probe requires a minimum flat target area of 9.5 mm (0.375 inches) in diameter.

Technical notes

The Bently Nevada 990-10-50-03-00 is a loop-powered vibration transmitter that integrates proximity probe functionality into a single unit. It converts sensor inputs into a 4-20 mA signal, enabling direct machinery health monitoring via standard industrial control systems

FAQs

  • What is 990-10-50-03-00?+
    The Bently Nevada 990-10-50-03-00 is a loop-powered vibration transmitter that integrates proximity probe functionality into a single unit.
  • What equipment does the 990-10-50-03-00 transmitter work with?+
    It is specifically designed to work with the 3300 NSv (Narrow Side View) Proximity Probe and matching 5-meter or 7-meter extension cables
  • Does the transmitter require an external Proximitor sensor?+
    No. The 990 series features an integrated Proximitor function, eliminating the need to wire and mount a separate external unit.
  • How do I read the dynamic vibration signal for diagnostics?+
    The transmitter features non-isolated PROX OUT and COM terminals, plus a coaxial connector, which output the raw, unmodified dynamic vibration and gap voltage signals for portable diagnostic tools.
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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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