Product Overview
The Bently Nevada 991-01-90-02-00 991 Thrust Sensor is a specialized eddy-current proximity probe system designed for precise thrust position measurements in rotating machinery. It provides highly accurate, real-time monitoring of axial shaft displacement, helping to protect critical assets such as turbines, compressors, and large motors from potential thrust-related damage. Integrated with Bently Nevada monitoring systems, this thrust sensor ensures machinery reliability, predictive maintenance, and extended operational safety.
Key Features
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Accurate axial shaft position measurement
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Non-contact eddy-current measurement technology
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Designed for continuous online monitoring
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Wide range of compatible Bently Nevada monitoring systems
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High reliability in harsh industrial environments
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Supports predictive maintenance strategies
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Compact and robust construction
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Easy installation and integration
Technical Specifications
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 991-01-90-02-00 |
| 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 | 95% 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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Large motors and generators
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Gear-driven equipment
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Pumps and fans
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Petrochemical and refining industries
Frequently Asked Questions (FAQ)
Q1: What is the function of the 991-01-90-02-00 thrust sensor?
It measures axial shaft displacement (thrust position) in rotating machinery.
Q2: What measurement technology does it use?
It uses non-contact eddy-current proximity sensing.
Q3: Which monitoring systems is it compatible with?
It integrates with a wide range of Bently Nevada vibration and thrust monitoring systems.
Q4: Can it operate in high-temperature environments?
Yes, it is designed for industrial environments with operating temperatures up to 177 °C.
Q5: What type of machinery uses this sensor?
It is commonly used with turbines, compressors, motors, and other rotating machinery.
Q6: Does it provide a direct output signal?
It provides signals via compatible Bently Nevada monitoring systems rather than a direct process output.
Q7: Is it suitable for continuous monitoring?
Yes, it is designed for continuous online monitoring of machinery thrust.
Q8: How does it support predictive maintenance?
By continuously tracking thrust position, it helps detect early signs of misalignment, wear, or bearing issues.
Related Bently Nevada Modules
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| 990-10-XX-01-05 | 990 Vibration Transmitter |
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| 330980-70-CN | 3300 XL NSv Front Sensor |
| 330930-045-03-CN | 3300 NSv Extension Cable |
| 330903-00-06-05-02-05 | 3300 NSv Proximity Probe |
Popular Bently Nevada Modules
| Model | Description |
|---|---|
| 330104-01-05-50-02-00 | 3300 XL 8 mm Proximity Probe |
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| 330708-00-20-50-02-05 | 3300 XL 11 mm Proximity Probe |
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| 991-01-90-02-00 | 991 Thrust Sensor |
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