Bently Nevada 991-06-50-02-00 991 Thrust Sensor

The Bently Nevada 991-06-50-02-00 is a high-precision 2-wire, loop-powered thrust transmitter designed for monitoring axial displacement in rotating machinery. It converts thrust measurements into a 4–20 mA proportional output for real-time monitoring, helping protect equipment, optimize performance, and prevent costly unplanned downtime. This sensor is ideal for OEM applications such as compressors, small pumps, motors, and fans, and is built for reliable performance in industrial environments.

Key Features

• Measures axial displacement in rotating machinery

• Loop-powered 4–20 mA output for seamless integration

• Compatible with Bently Nevada 3300 NSv proximity probes

• Robust, potted construction for harsh industrial conditions

• Bulkhead screw mounting option for easy installation

• Suitable for high humidity environments

• Supports predictive maintenance and operational safety

Technical Specifications

Industry Applications

• OEM Machinery – centrifugal compressors, small pumps, motors, and fans

• Power Generation – axial displacement monitoring for turbines and motors

• Oil & Gas – protection of compressors and rotating equipment

• Petrochemical & Chemical – machinery monitoring in harsh environments

• Manufacturing – integration into industrial control systems

Advantages

• Provides precise axial displacement measurement to protect machinery

• Robust, potted design for reliable operation in industrial conditions

• Loop-powered 4–20 mA output ensures easy integration with control systems

• Bulkhead mounting option for flexible installation

• Supports predictive maintenance to reduce downtime and operational costs

• Long-term stability and reliable performance under variable conditions

Frequently Asked Questions (FAQ)

Q1: What is the main function of this sensor?

It measures axial displacement (thrust) in rotating machinery and converts it into a 4–20 mA signal for monitoring and protection.

Q2: Which monitoring systems is it compatible with?

It is designed for use with Bently Nevada 3300 NSv proximity probes and industrial control systems.

Q3: What is the full-scale range?

±0.6 mm (±25 mils).

Q4: What type of output does it provide?

4–20 mA loop-powered proportional output.

Q5: What is the operating temperature range?

-40 °C to +85 °C.

Q6: Can it withstand high humidity environments?

Yes, it is rated for up to 100% condensing humidity.

Q7: How is it mounted?

Using bulkhead screws (Option 02).

Q8: What is the construction material?

Potted for durability in harsh industrial conditions.

Q9: Is it suitable for harsh industrial environments?

Yes, it is designed for reliable operation in challenging industrial conditions.

Q10: Which industries commonly use this sensor?

OEM machinery, Power Generation, Oil & Gas, Petrochemical & Chemical, and Manufacturing.