21000-34-00-20-028-04-02 | Bently Nevada 2.0 in Standoff Adapter Probe Housing

Introduction to the 21000-34-00-20-028-04-02

When harsh environments threaten the accuracy of vibration monitoring, the 21000-34-00-20-028-04-02 from Bently Nevada offers a robust solution. This proximity probe housing assembly is engineered for external mounting on rotating machinery. It protects the probe from contaminants while maintaining precise clearance. The housing features an aluminum body with a 304 stainless steel sleeve for durability. It is part of the 21000 series designed for industrial applications.

Key Features and Technical Specs of the 21000-34-00-20-028-04-02

• Probe option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Standoff adapter length: 2.0 inches.
• Probe penetration: 2.8 inches.
• Fitting option: One 3/4-14 NPT plug.
• Mounting thread: 3/4-14 NPT.
• Maximum probe cable length: 1.0 meter.
• Maximum (C) + (D) dimension with visible probe P/N and S/N: 17.0 inches (43.18 cm).
• Maximum (C) + (D) dimension: 32.9 inches (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical without fittings.

Installation and Setup for the 21000-34-00-20-028-04-02

Proper installation of the 21000-34-00-20-028-04-02 begins with selecting the correct mounting thread. The 3/4-14 NPT option ensures a secure fit in standard conduit openings. You must align the standoff adapter to achieve the 2.0-inch standoff. The probe penetration of 2.8 inches requires careful measurement during setup. Use the supplied O-rings and thread seal to prevent leaks. Always follow Bently Nevada guidelines for torque values and clearance checks.

Maintenance and Reliability of the 21000-34-00-20-028-04-02

Routine inspection of the 21000-34-00-20-028-04-02 extends its service life. Check the aluminum body and stainless steel sleeve for corrosion or damage. Verify that the dome cover remains tight and the O-rings are intact. The housing is rated as a CSA Type 4 enclosure for water and dust resistance. Regular cleaning with a dry cloth prevents debris buildup. This proactive approach reduces unplanned downtime and lowers replacement costs.

Compatibility and Integration of the 21000-34-00-20-028-04-02

The 21000-34-00-20-028-04-02 integrates seamlessly with Bently Nevada monitoring systems. It accepts 3300 XL 8 mm proximity probes with connector protectors. The housing supports hazardous area approved probes for intrinsically safe applications. It complies with API 670 standards for externally mounted housings. Use it with standard conduit fittings and 3/4-14 NPT connections for straightforward installation.

Frequently Asked Questions about the 21000-34-00-20-028-04-02

Q: What is the standoff adapter length for the 21000-34-00-20-028-04-02?

A: The standoff adapter length is 2.0 inches.

Q: What mounting thread does the 21000-34-00-20-028-04-02 require?

A: It requires a 3/4-14 NPT mounting thread.

Q: What is the probe penetration depth of the 21000-34-00-20-028-04-02?

A: The probe penetration depth is 2.8 inches.

Q: What is the weight of the 21000-34-00-20-028-04-02 without fittings?

A: It weighs 1.1 kg (2.4 lb) typical without fittings.

Q: Is the 21000-34-00-20-028-04-02 suitable for hazardous areas?

A: Yes, it can be ordered with selectable hazardous area approvals and CSA explosion-proof ratings.

Product Support and Availability

The 21000-34-00-20-028-04-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for current pricing and lead times. We provide factory warranty and original packaging for every order.