Description：

The part number 21504-000-020-05-02 identifies a Bently Nevada 7200 Series 8mm Standard Mount Proximity Probe. This is a non-contact sensor used primarily for measuring shaft vibration and position in industrial machinery like turbines, compressors, and pumps.

Specification：

Frequently asked questions

Q1: What is the Bently Nevada 21504-000-020-05-02 used for?

A: This proximity probe is designed for non-contact vibration and position measurement of rotating machinery such as turbines, compressors, and motors.

Q2: What is the 21504-000-020-05-02 measurement range of this probe?

A: It offers a measurement range of 80 mils (2.0 mm), suitable for standard shaft displacement monitoring applications.

Q3: What mounting type does this probe use?

A: The probe features a 3/8-24 UNF thread, ensuring secure and reliable installation in industrial environments.

Q4: What does the “21504” base model indicate?

A: The 21504 designation refers to an 8 mm standard mount proximity probe, widely used in Bently Nevada monitoring systems.

Product Applications

Electric power industry: Monitoring the shaft vibration and shaft displacement of gas turbines, steam turbines and generators to prevent equipment damage due to abnormal vibrations.

Petroleum and natural gas: Used for continuous monitoring of oil pipeline compressors, injection pumps and centrifuges to ensure the stability of key power equipment in harsh environments.

Chemical industry: Applied in various large pumps, mixers and centrifugal equipment to detect bearing wear and provide early warnings of mechanical failures.

Other heavy industries: Such as conveyor belt safety systems in the mining industry, cooling pumps in nuclear power plants and vibration analysis of ship turbines.

Measurement Function

Radial Vibration: Detects rotor imbalance, misalignment or bearing wear.

Axial Displacement (Thrust): Evaluates the wear degree of the thrust bearing.

Speed and Key Phase: Provides phase reference for diagnostic data.

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