21000-34-10-30-095-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-34-10-30-095-04-02

When you need robust vibration monitoring in hazardous areas, the 21000-34-10-30-095-04-02 from Bently Nevada delivers a proven solution. This proximity probe housing assembly combines an aluminum body with a 304 stainless steel sleeve for durability. It includes a 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals. Engineers trust this model for its precision and reliability in demanding industrial environments.

Key Features and Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector
• Probe Cable Length: 1.0 m (39 in)
• Standoff Adapter: 3.0 in
• Probe Penetration: 9.5 in
• Fitting Option: One 3/4-14 NPT plug
• Mounting Thread: 3/4-14 NPT
• Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical, without fittings
• Maximum (C) + (D) Dimension: 32.9 in (83.5 cm)

The 8 mm probe size is a distinctive spec, enabling precise measurement in tight spaces. This feature reduces installation complexity and improves monitoring accuracy.

Applications and Use Cases

This housing assembly excels in rotating machinery monitoring, such as turbines and compressors. It is fully compliant with API 670 Standard for externally mounted proximity probe housings. Consequently, it suits petrochemical and power generation applications. Additionally, its CSA Type 4 enclosure rating makes it ideal for outdoor or washdown environments. For hazardous area intrinsically safe applications, pair it with approved probes.

Installation and Setup

Mount the assembly using the 3/4-14 NPT thread option. Ensure the standoff adapter is set to 3.0 in for correct probe gap. The probe cable length of 1.0 m simplifies routing to junction boxes. Always follow the manufacturer's manual for torque specifications on the dome cover and fittings.

Maintenance and Reliability

Inspect the housing periodically for signs of corrosion or seal wear. The aluminum and stainless steel construction resists environmental stress, reducing long-term costs. Replace O-rings during routine maintenance to maintain the CSA Type 4 seal. This proactive approach extends service life and minimizes unplanned downtime.

Compatibility and Integration

The 21000-34-10-30-095-04-02 integrates with Bently Nevada monitoring systems and third-party vibration analyzers. It supports selectable hazardous area approvals for flexible deployment. For full system compatibility, consult the official Bently Nevada documentation.

Troubleshooting and Common Issues

A common issue is incorrect probe gap due to improper standoff adapter length. Verify the 3.0 in standoff before tightening. If readings are erratic, check the connector protector and cable for damage. Always use the specified 3/4-14 NPT fitting to avoid leaks.

FAQ about the 21000-34-10-30-095-04-02

What is the probe cable length for this model?

The probe cable length is 1.0 m (39 in).

What material is the housing made of?

The body is aluminum with a 304 stainless steel sleeve.

Is this housing rated for hazardous areas?

Yes, CA versions are CSA explosion-proof rated when ordered with specific options.

What is the mounting thread size?

The mounting thread is 3/4-14 NPT.

What is the weight of this assembly?

The typical weight is 1.1 kg (2.4 lb) without fittings.

Product Support and Availability

The 21000-34-10-30-095-04-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for lifecycle status and ordering assistance.