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990-04-50-02-01 | Bently Nevada Vibration Transmitter

in stock#

  • Brand/ Manufacturer:

    Bently Nevada
  • Dimensions:

    10x7.5x5.6cm
  • Weight:

    0.5kg
  • Country of Origin: :

    USA
  • Description:

    Bently Nevada 990-04-50-02-01 Vibration Transmitter

Mfr. Part Number:

990-04-50-02-01

Manufacturer: Bently Nevada
Description: Bently Nevada 990-04-50-02-01 Vibration Transmitter
Full Description: The 990 Vibration Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors
Status: In stock

Click to get price :    : plcinfo@mooreplc.com     : +86 18020776786     : mooreplc

Moore Automation Limited is not affiliated with or a distributor for Bently Nevada. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.

Product Description:

The 990-04-50-02-01 Vibration Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional vibration signal as the input to their machinery control system. The transmitter is a two-wire, loop-powered device that accepts input from our 3300 NSv proximity probe and its matching extension cable (available in 5 m and 7 m system length options). 


Application:

Oil & Gas (Upstream/Midstream): Deployed on natural gas transport pumps and auxiliary rotating units inside processing facilities where combustible gases require certified intrinsically safe or Division 2 field equipment
Chemical & Hydrocarbon Processing: Used to track smaller processing pumps handling volatile chemicals, maintaining plant safety standards without expensive explosion-proof housings
Water & Wastewater Treatment: Tracks the structural and mechanical health of high-utilization water distribution pumps and aeration fans. This environment utilizes its potted construction, which is rated for up to 100% condensing relative humidity
Power Generation: Monitored as part of secondary balancing or auxiliary system equipment (e.g., boiler feed pumps, cooling tower fans) where a direct 4-20mA link to the main control room DCS is essential.


Frequently Asked Questions (FAQ)

Q:What hardware is compatible with this transmitter?
A:The 990-04-50-02-01 must be paired with a non-contacting Bently Nevada 3300 NSv proximity probe and its matching extension cable.
Q:What is the required distance between the probe and the target?
A:The probe gap must be maintained between 0.5 mm and 1.75 mm (20 to 55 mils) from the target surface to ensure accurate loop measurements.

Q:Will the transmitter trip my system immediately when turned on?
A:No. The device utilizes a Power-up Inhibit circuit. This keeps the output below 3.6 mA for the first 2 to 3 seconds after power application to block voltage transients from creating false alerts.


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Detailed Parameter

Part Number990-04-50-02-01

Full-scale Option

0-4 mils pp (0-100 μm pp)

System Length Option

5.0 meters (16.4 feet)

Mounting Option

Bulkhead screws

Agency Approval Option

CSA Division 2

Power

Requires +12 to +35 Vdc input at the transmitter terminal

Current limiting

23 mA typical

Frequency response

5 Hz to 6,000 Hz +0, 3 dB

Minimum target size

9.5 mm (0.375 in) diameter

    

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