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Product Information

Product Describe
04 0-4 mils pp (0-100 μm pp)
70 7.0 meters (23.0 feet)
03 DIN clips and screws
00 Not required

Technical specifications for 990-04-70-03-00

  • Product Model
    990-04-70-03-00
  • Product Parameters
    990 Vibration Transmitter
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • Estimated Shipping Size
    10x7.5x5.6cm
  • Manufacturer
    Bently Nevada
  • Weight
    0.5 kg
  • Full-scale Option
    0-4 mils pp (0-100 μm pp)
  • System Length Option
    7.0 meters (23.0 feet)
  • Mounting Option
    DIN clips and screws
  • Agency Approval Option
    Not required
  • Factory New

    These are new and current items that are procured from the manufacturer.
  • New No Package

    These parts are new. They have not been used, but their original packaging is no longer available.
  • New In Opened Package

    These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.
  • New In Sealed Package

    Parts are new. They have not been used and still have their original package seal intact.
  • New in Original Package

    These parts are new. The packages were not originally sealed by their original manufacturer.

Warranty Period & Disclaimer

Amikon is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

FAQs

  • What is 990-04-70-03-00?+
    The Bently Nevada 990-04-70-03-00 is a two-wire, loop-powered 990 Vibration Transmitter designed for monitoring centrifugal compressors, pumps, and fans. It features an integrated Proximitor, a 7.0-meter system length, and 0-4 mils pp (0-100 µm pp) calibration. Key specs include 03 DIN rail mounting and 00 for no agency approval.
  • What is the primary function of the 990-04-70-03-00?+
    It converts input from a 3300 NSv proximity probe into a 4-20 mA proportional signal, providing continuous vibration monitoring for industrial machinery control systems.
  • What probes are compatible with this transmitter?+
    The 990 transmitter is compatible with 3300 NSv proximity probes, which allow for installation in small areas with minimal clearance.
  • What is the mounting option -03?+
    The '03' option provides 35 mm DIN rail clips with screws for secure mounting.
  • What is the operating temperature range?+
    The probe operating temperature is -35 °C to +177 °C (-31 °F to +350 °F).
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MORE INFORMATION

Overview Manuals Technical notes Product Applications Comparison with Related Models

Features:

  • Integrated Proximitor Sensor requires no external unit
  • Non-isolated PROX OUT and COM terminals plus acoaxial connector to provide a dynamic vibration andgap voltage signal output for diagnostics
  • Non-interacting zero and span potentiometers underthe Transmitter label supports loop adjustment
  • Test Input pin for quick verification of loop signal output,using a function generator as the input
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 990-04-70-03-00 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 990-04-70-03-00 990 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.
Vibration transmitters have many limitationswhen compared to a continuous vibrationmonitoring system. They are a practicalsolution in some applications for measuringgeneral vibration levels and are a valuable toolfor overall vibration trending. However, theyprovide limited capability for machinerydiagnostics using the vibration signal and donot capture dynamic vibration signals (used fordiagnostics) in the event of a vibration alarm.While the transmitter is capable of peakvibration alarming and non-OK checking, the4-20 mA signal cannot be used to determinethe phase of vibration, and monitor functionssuch as gap alarms, phase alarms, Timed OKchannel defeat, Danger Bypass, and TripMultiply cannot be used. In addition, PLCsattached to the vibration transmitter can onlyprovide peak-to-peak trending data and arenot suitable for plant-wide diagnostic systemssuch as System 1 or Rule Paks
  • Manufacturing & Discrete Production:Monitors motors/pumps for assembly lines & conveyors
  • Food & Beverage Plants:High-speed fans/compressors for pneumatic conveying/packaging
  • Pulp & Paper Mills:990's potted construction protects fans/pumps in 100% humidity
  • Steel & Metal Processing:Heavy-duty motors/blowers for furnace/cooling operations
  • Chemical & Petrochemical Factories:Cost-effective vibration trend for pumps & reciprocating equipment.
  • Water & Wastewater Treatment:Monitors effluent pumps & aeration blowers to prevent downtime
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.
The Bently Nevada 990 and 991 are compact, 2-wire vibration and thrust transmitters. The 990 measures radial vibration, while the 991 measures axial displacement/thrust. Both serve as cost-effective, space-saving alternatives to larger monitoring systems, specifically designed to output proportional 4-20 mA signals to machinery control systems.
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