Brand:Bently Nevada PLC Item No.:991-25-50-01-00 Product Origin:USA Product Dimensions:100.1 x 73.9 x 53.3 mm Product Weight:0.43 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Bently Nevada 991-25-50-01-00 Thrust Sensor is a compact axial displacement monitoring device designed for rotating machinery protection applications. It converts shaft thrust movement into a standardized 4–20 mA output signal, allowing direct integration into PLC and DCS systems without additional signal processing hardware. Its robust construction and stable performance make it a reliable solution for OEM systems and industrial machinery where accurate thrust monitoring is critical for safe operation.
Technical Specifications
Parameter
Specification
Product Type
Thrust Sensor
Model
991-25-50-01-00
Measurement Type
Axial displacement (thrust)
Output Signal
4–20 mA
Input System
Bently Nevada proximity-based sensing
Function
Machinery condition monitoring
Application
Compressors, pumps, motors, fans
Dimensions
100.1 × 73.9 × 53.3 mm
Weight
0.43 kg
Installation Type
DIN rail / panel mounting
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Applications
• Axial thrust (shaft position) monitoring in centrifugal compressors, pumps, motors, and fans
• OEM machinery protection systems requiring direct 4–20 mA thrust signal output for PLC/DCS integration
• Condition monitoring of fluid-film thrust bearings in rotating equipment
• Power generation, oil and gas, petrochemical, and general industrial applications
• Real-time axial displacement feedback for alarm and shutdown logic in control systems
• Retrofit and replacement use in existing Bently Nevada 991 thrust monitoring installations
Key Advantages
• Integrated transmitter design simplifies system architecture and reduces external signal conditioning components
• Direct 4–20 mA output enables easy integration with PLC and DCS control systems
• Compact and rugged construction ensures stable operation in industrial environments
• Designed for continuous-duty monitoring of critical rotating machinery
• High reliability in detecting early thrust bearing wear and abnormal axial movement
• Compatible with Bently Nevada proximity-based measurement systems
Q1: What is the main function of the 991-25-50-01-00 thrust sensor?
It measures axial shaft displacement and converts it into a 4–20 mA signal for control systems.
Q2: What type of output does it provide?
It provides a 4–20 mA analog output proportional to thrust position.
Q3: Which machinery is typically monitored?
Centrifugal compressors, pumps, motors, and other rotating equipment.
Q4: Does it require external signal conditioning?
No, it has integrated electronics for direct control system connection.
Q5: What is the benefit of thrust monitoring?
It helps prevent rotor damage caused by excessive axial movement.
Q6: Is it suitable for continuous operation?
Yes, it is designed for 24/7 industrial monitoring.
Q7: Can it be used in OEM systems?
Yes, it is widely used in OEM machinery protection designs.
Q8: What technology does it use for measurement input?
It uses a proximity-based sensing system compatible with Bently Nevada probes.
Q9: Which industries use this sensor most?
Power generation, oil and gas, petrochemical, and industrial manufacturing.
Q10: Is it suitable for harsh environments?
Yes, it is built for industrial-grade durability and reliability.
