Brand:Bently Nevada PLC Item No.:991-06-50-01-00 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 991-06-50-01-00 is a loop-powered thrust monitoring transmitter used for axial displacement measurement in rotating machinery. It converts proximity probe signals into a stable 4–20 mA output for integration into industrial automation and protection systems.
It is widely applied in turbines, compressors, pumps, and other rotating equipment where axial shaft position must be continuously monitored to ensure mechanical stability and prevent failure conditions.
This model is part of the 991 thrust sensor family, designed for reliable long-term operation in industrial environments.
Technical Specifications
Parameter
Value
Model
991-06-50-01-00
Product Type
Thrust Sensor / Transmitter
Output Signal
4–20 mA
Power Supply
12–35 VDC (loop powered)
Input Type
Bently Nevada proximity probe system
Operating Temperature
-40°C to +85°C
Measurement Type
Axial displacement / thrust monitoring
Accuracy
Manufacturer-dependent / system-based
Response Time
Not specified (application dependent)
Mounting Type
DIN rail / panel mount
Dimensions
100.1 × 73.9 × 53.3 mm
Weight
0.43 kg (0.95 lb)
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Applications
The Bently Nevada 991-06-50-01-00 991 Thrust Sensor Module is designed for axial displacement (thrust position) monitoring in rotating machinery, providing reliable signal conversion for industrial protection and condition monitoring systems.
Typical applications include:
Steam turbine thrust bearing position monitoring
Gas turbine axial displacement tracking
Centrifugal compressor thrust control systems
Industrial pump shaft axial movement supervision
Gearbox thrust load monitoring
Industrial fan rotor stability control
Critical rotating machinery protection systems
OEM condition monitoring solutions
Advantages
Dedicated axial thrust monitoring for critical rotating equipment
Integrated signal conditioning reduces external modules
Compatible with Bently Nevada proximity probe systems
Compact industrial-grade housing for panel installation
Built-in NOT OK diagnostic function for fault detection
Designed for continuous industrial operation environments
Technical FAQs
Q1: What is the main function of this sensor?
A1: It measures axial displacement (thrust position) in rotating machinery and converts it into a 4–20 mA output signal.
Q2: Is it a loop-powered device?
A2: Yes, it operates using a 2-wire loop-powered configuration.
Q3: What output signal does it provide?
A3: It provides a standard 4–20 mA analog signal.
Q4: What type of machinery is it used for?
A4: It is used in turbines, compressors, pumps, motors, and fans.
Q5: Can it operate continuously?
A5: Yes, it is designed for 24/7 industrial monitoring applications.
Q6: Does it support diagnostics?
A6: Yes, it includes NOT OK fault indication functionality.
Q7: Is it suitable for harsh environments?
A7: Yes, it is designed for industrial vibration, humidity, and temperature conditions.
Q8: Does it require external signal conditioning?
A8: No, signal conditioning is fully integrated.
Q9: Can it be connected directly to PLC/DCS?
A9: Yes, it connects directly via 4–20 mA input channels.
Q10: What is the main difference between 991 series and vibration transmitters?
A10: The 991 series is focused on axial thrust/displacement monitoring rather than general radial vibration.
