in stock#
Brand/ Manufacturer:
Bently NevadaDimensions:
10x7.4x6cmWeight:
0.5kgCountry of Origin: :
USADescription:
Bently Nevada 991-25-50-03-05 Thrust Transmitter
| Mfr. Part Number: |
991-25-50-03-05 |
| Manufacturer: |
Bently Nevada |
| Description: |
Bently Nevada 991-25-50-03-05 Thrust Transmitter |
| Full Description: |
The Bently Nevada 991-25-50-03-05 Thrust 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 axial displacement (thrust) signal as the input to their machinery control system. |
| Status: |
In stock |
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: 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:
TThe Bently Nevada 991-25-50-03-05 Thrust 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 axial displacement (thrust) signal as the input to their machinery control system.The transmitter is a 2-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). The transmitter conditions the signal into appropriate engineering units proportional to the shaft’s axial position1, and provides it as a 4 to 20 mA industry-standard signal for input to the control system where machinery protection alarming and logic occurs2.
Application:
Centrifugal Air Compressors: The core target application. It tracks thrust bearing wear in compact, factory-packaged air compressors.
Small Industrial Pumps: Monitors shaft axial alignment and fluid-film thrust bearing degradation in non-critical or medium-duty pumps.
Electric Motors: Detects axial rotor float and magnetic centering drift in medium-to-large industrial motors.
Industrial Fans & Blowers: Protects small-scale, high-velocity air handling units from catastrophic housing impacts due to excessive axial play.
Frequently Asked Questions (FAQ)
Q:Which proximity probes are compatible with this transmitter?
A:The Bently Nevada 991-25-50-03-05 Thrust Transmitter is specifically engineered to accept inputs exclusively from Bently Nevada 3300 NSv (Narrow Side View) proximity probes and their matching 75Ω coaxial extension cables. Standard 3300 XL 5mm or 8mm probes will not provide accurate linear readings with this system.
Q:What type of electronic output signal does the 991 provide?
A:It provides a standard 4 to 20 mA analog current loop signal directly proportional to the shaft's axial position. This direct signal interfaces with third-party Distributed Control Systems (DCS) or Programmable Logic Controllers (PLC) without needing an intermediate rack monitoring system.
Q:How do you extract dynamic data for machinery diagnostics?
A:The module features a dedicated "Prox Out" coaxial BNC connector. This provides a non-isolated, raw dynamic voltage signal (typically calibrated to 200 mV/mil) for temporary connection to portable vibration analyzers.
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|
Detailed Parameter |
Part Number: 991-25-50-03-05 |
|
Full-scale Option |
25-0-25 mils |
|
System Length Option |
5.0 meters (16.4 feet) |
|
Mounting Option |
DIN clips and screws |
|
Current Limiting |
23 mA typical. |
|
Storage Temperature |
-52°C to +177°C (-62°F to +351°F) |
|
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