Bently Nevada 21000-28-05-20-095-04-02 Proximity Probe Housing Assemblies

Product Introduction

The Bently Nevada 21000-28-05-20-095-04-02 Proximity Probe Housing Assembly is a high-performance component specifically engineered for critical machinery condition monitoring and protection applications. As part of the trusted 21000 series by Bently Nevada, a brand renowned for precision and reliability in vibration monitoring solutions, this housing unit ensures robust protection, secure mounting, and optimal signal integrity for proximity probe systems operating in harsh industrial environments.

This assembly is typically paired with proximity probes and extension cables to complete a fully functional transducer system, enabling non-contact measurement of shaft vibration, axial position, and phase reference. Built with rugged stainless steel and designed to comply with API 670 standards, it is ideal for turbomachinery applications such as steam turbines, gas turbines, compressors, and pumps.

Product Specifications

Applications

The Bently Nevada 21000-28-05-20-095-04-02 Proximity Probe Housing Assembly is widely used in machinery monitoring systems across a range of critical industries. Typical application scenarios include:

• Turbomachinery: Steam and gas turbines for monitoring shaft displacement and vibration.

• Compressors: Both axial and centrifugal compressors for detecting imbalance and rotor misalignment.

• Pumps: High-speed or mission-critical pumps where bearing wear and shaft movement must be tracked.

• Generators: Monitoring thermal expansion and shaft alignment in generator shafts.

• Refineries and Petrochemical Plants: Condition monitoring of rotating equipment.

• Paper Mills, Steel Mills: Monitoring of heavy-duty rolling machinery.

Advantages

• High Reliability: Engineered for continuous operation in high-vibration, high-temperature, and high-pressure environments.

• Modular Design: Enables easy integration with other Bently Nevada proximity systems.

• Ease of Installation: Designed for straightforward field mounting using standard tools.

• Environmental Protection: IP65-rated housing with sealed cable entries ensures long service life even in corrosive and humid atmospheres.

• Global Standards Compliance: Designed to meet or exceed API 670 and CE/RoHS directives, ensuring universal acceptance.

• Accurate Signal Transmission: Shielded cabling and internal design reduce electrical noise and maximize signal fidelity.

Frequently Asked Questions (FAQ)

1. What is the primary function of the 21000-28-05-20-095-04-02 housing assembly?
   It securely mounts and protects proximity probes while maintaining signal integrity for machinery monitoring.

2. Is this housing assembly compatible with all Bently Nevada proximity probes?
   It is compatible with most 5 mm and 8 mm probes, particularly those in the 3300 and 7200 series.

3. Can this housing be used in hazardous locations?
   While the housing itself is rugged and IP-rated, for hazardous areas, additional certifications like ATEX or CSA may be required based on probe and system configuration.

4. What type of cable entry is supported?
   It supports either conduit hub or cable gland entries depending on model specifications.

5. Does the housing affect probe calibration?
   No, it is designed to maintain alignment and spacing consistent with factory calibration procedures.

6. What environmental conditions can it withstand?
   The housing is built for use in industrial environments with temperatures ranging from -40°C to +125°C and is dust and water resistant.

7. Is the housing grounded?
   Yes, it includes provisions for proper grounding to eliminate EMI/RFI interference.

8. How does it connect to the monitoring system?
   Through a coaxial extension cable that links the proximity probe to the driver or monitor.

9. What is the service life of this housing assembly?
   With proper installation and routine inspection, it can last for many years, often matching the lifecycle of the monitored equipment.

10. Can it be used in retrofitting applications?
    Yes, its compact design and threaded mounts make it suitable for both new installations and retrofits.

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Frequently Asked Questions (FAQ)

1. What is the primary function of the 21000-28-05-20-095-04-02 housing assembly?
   It securely mounts and protects proximity probes while maintaining signal integrity for machinery monitoring.

2. Is this housing assembly compatible with all Bently Nevada proximity probes?
   It is compatible with most 5 mm and 8 mm probes, particularly those in the 3300 and 7200 series.

3. 此外壳可以在危险场所使用吗？
   虽然外壳本身坚固耐用且符合 IP 防护等级，但在危险区域，可能需要根据探头和系统配置获得 ATEX 或 CSA 等额外认证。

4. 支持哪种类型的电缆入口？
   根据型号规格，它支持导管集线器或电缆密封套入口。

5. 外壳会影响探头校准吗？
   不会，它的设计是为了保持与工厂校准程序一致的对准度和间距。

6. 它能承受什么样的环境条件？
   该外壳专为工业环境设计，温度范围为-40°C至+125°C，防尘防水。

7. 外壳接地了吗？
   是的，它包括适当的接地措施，以消除EMI/RFI干扰。

8. 它如何连接到监控系统？
   通过同轴延长电缆将接近探头连接到驱动器或监视器。

9. 这个外壳组件的使用寿命是多长？
   只要安装得当并定期检查，它可以使用很多年，通常与被监控设备的生命周期相匹配。

10. 它可以用于改造应用吗？
    是的，其紧凑的设计和螺纹安装使其既适合新安装，也适合改造。

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