21000-28-10-15-065-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

Why Choose the 21000-28-10-15-065-03-02 for Your Vibration Monitoring?

When machinery reliability is critical, the 21000-28-10-15-065-03-02 provides a robust solution for externally mounted proximity probes. This Bently Nevada housing assembly is engineered to withstand harsh industrial environments while delivering accurate rotor vibration and position data. Its aluminum body with a 304 stainless steel sleeve offers durability without compromising signal integrity. With CSA Type 4 explosion-proof certification, it meets the demanding safety requirements of Class I Divisions 1 and 2 Groups C and D, as well as Class II Divisions 1 and 2 Groups E, F, and G. The housing also complies with API 670 standards, making it a trusted choice for critical rotating machinery.

Key Features and Technical Specifications

• Probe Option: 3300 XL 8 mm probe with selectable hazardous area approvals.
• Cable Length: 1.0 m (39 in) probe cable for flexible installation.
• Standoff Adapter: 1.5 in (38 mm) to position the probe correctly.
• Probe Penetration: 6.5 in for deep insertion into the housing.
• Fitting Option: Includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and cable seal grip with grommets for cable sizes from 1/8 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT for secure attachment.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Certifications: CSA Type 4, RoHS compliant, and API 670 compliant.

The 8 mm probe option is a standout feature, allowing precise gap measurements in tight spaces. This directly reduces false trips and improves machine protection.

Real-World Applications for the 21000-28-10-15-065-03-02

In the oil and gas industry, this housing assembly is ideal for monitoring compressors and turbines where explosive atmospheres demand certified equipment. Similarly, in chemical processing plants, the 21000-28-10-15-065-03-02 provides reliable vibration monitoring on pumps and fans, helping to prevent unplanned downtime. Its CSA explosion-proof rating makes it suitable for both Division 1 and Division 2 hazardous areas, ensuring safety without sacrificing performance.

Installation and Setup Guidance

Mount the housing using the 3/4-14 NPT thread option for a secure fit. Ensure the probe cable length of 1.0 m is accounted for in your routing plan. The included cable seal grip accommodates cables from 1/8 to 3/8 inches, simplifying conduit connections. For optimal performance, verify that the standoff adapter (1.5 in) positions the probe at the correct gap relative to the target surface. Always follow Bently Nevada's installation manual for detailed wiring and grounding instructions.

Maintenance and Reliability Insights

Regularly inspect the O-rings and thread seal for signs of wear, as these components maintain the explosion-proof integrity. The aluminum and stainless steel construction resists corrosion, extending service life in harsh environments. By choosing the 21000-28-10-15-065-03-02, you reduce the risk of housing failure and the associated costs of unplanned maintenance. Periodic verification of the probe cable and connectors helps sustain measurement accuracy.

Compatibility and Integration

This housing assembly works seamlessly with Bently Nevada 3300 XL 8 mm proximity probes and compatible monitoring systems. It is designed for use with standard industrial conduits and cable fittings. The CSA certification ensures it integrates into hazardous area installations without additional enclosures, simplifying system design.

Frequently Asked Questions

Q: What is the probe cable length for the 21000-28-10-15-065-03-02?

A: The probe cable length is 1.0 m (39 in), as specified by the suffix code 10.

Q: What certifications does this housing assembly have?

A: It is CSA Type 4 certified for explosion-proof applications and RoHS compliant.

Q: What is the weight of the 21000-28-10-15-065-03-02?

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

Q: What mounting thread option is available?

A: The mounting thread is 3/4-14 NPT, as indicated by suffix code 02.

Q: Is this housing suitable for hazardous areas?

A: Yes, it is certified for Class I Divisions 1 and 2 Groups C and D, and Class II Divisions 1 and 2 Groups E, F, and G.

Product Support and Availability

The 21000-28-10-15-065-03-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead time information. We provide factory-sealed new units with full warranty coverage.