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Product Overview
The Bently Nevada 991-01-XX-01-00 991 Thrust Sensor is a precision eddy-current proximity sensor designed for accurate axial shaft position monitoring in rotating machinery. It provides continuous real-time measurement of thrust displacement, helping protect turbines, compressors, and motors from thrust-related mechanical issues. The sensor integrates seamlessly with Bently Nevada monitoring systems, enabling predictive maintenance, early fault detection, and enhanced operational safety in industrial environments.
Key Features
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Non-contact eddy-current technology for precise axial shaft measurement
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Continuous real-time monitoring of thrust position
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Compact and rugged design for industrial environments
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Compatible with Bently Nevada vibration and thrust monitoring systems
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Supports predictive maintenance and machinery protection
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Reliable performance under high temperatures and vibration
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Easy installation and integration into existing systems
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Long-term operational stability
Technical Specifications
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 991-01-XX-01-00 |
| Product Type | Thrust Sensor |
| Measurement Principle | Eddy-current proximity sensing |
| Application | Axial shaft displacement (thrust) monitoring |
| Output Signal | Compatible with Bently Nevada monitoring systems |
| Power Supply | Supplied via monitoring system |
| Operating Temperature | -35 °C to +177 °C (depending on system configuration) |
| Storage Temperature | -40 °C to +200 °C |
| Humidity | 5–95% RH (non-condensing) |
| Dimensions | 100.1 x 73.9 x 53.3 mm |
| Weight | 0.43 kg |
Industry Applications
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Steam and gas turbines
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Industrial compressors
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Electric motors and generators
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Gearboxes and transmission equipment
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Pumps and fans
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Petrochemical and refining machinery
Frequently Asked Questions (FAQ)
Q1: What is the purpose of the 991-01-XX-01-00 Thrust Sensor?
It measures axial shaft displacement (thrust) in rotating machinery for protection and monitoring.
Q2: What measurement principle does it use?
It uses non-contact eddy-current proximity sensing technology.
Q3: Which monitoring systems are compatible with this sensor?
It integrates with Bently Nevada vibration and thrust monitoring systems.
Q4: Can it operate in high-temperature conditions?
Yes, it is designed to operate up to 177 °C.
Q5: What types of machinery use this sensor?
It is used in turbines, compressors, motors, and other rotating equipment.
Q6: Does the sensor provide a direct output signal?
No, output is routed through compatible Bently Nevada monitoring systems.
Q7: Is it suitable for continuous monitoring?
Yes, it is intended for continuous online monitoring of thrust position.
Q8: How does it contribute to predictive maintenance?
By tracking thrust displacement, it helps detect early signs of misalignment, wear, or bearing issues.
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| 991-01-XX-01-00 | 991 Thrust Sensor |
