21000-34-10-00-028-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-34-10-00-028-04-02

When machinery vibration threatens uptime, the 21000-34-10-00-028-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is part of the 21000 series, engineered for industrial environments where precision monitoring is critical. With a 1.0 m (39 in) probe cable and a 2.8 in probe penetration, it delivers consistent performance for rotating equipment protection.

Key Features and Technical Specs of the 21000-34-10-00-028-04-02

• Probe Option: 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals
• Probe Cable Length: 1.0 m (39 in)
• Probe Penetration: 2.8 in (028 code)
• Fitting Option: One 3/4-14 NPT plug only
• 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)

A distinctive spec is the 8 mm probe size with connector protector, which simplifies installation in tight spaces while maintaining signal integrity. This design reduces the risk of cable damage during routine maintenance.

Applications and Use Cases for the 21000-34-10-00-028-04-02

Industries rely on the 21000-34-10-00-028-04-02 for critical asset monitoring. It is commonly used in turbomachinery, compressors, and pumps where shaft vibration must be measured accurately. The housing assembly supports both hazardous area approvals and CSA Type 4 enclosure ratings, making it suitable for harsh environments. Additionally, its compliance with API 670 Standard ensures compatibility with externally mounted proximity probe systems.

Installation and Setup of the 21000-34-10-00-028-04-02

Mounting the 21000-34-10-00-028-04-02 requires attention to the 3/4-14 NPT thread for conduit connections. The housing includes a dome cover, threaded ports, and an optional standoff adapter (not included in this suffix). Ensure the probe sleeve is properly inserted to achieve the 2.8 in penetration depth. For hazardous locations, use only CSA-approved explosion-proof fittings as specified in the ordering options.

Maintenance and Reliability of the 21000-34-10-00-028-04-02

Regular inspection of the O-rings and thread seal helps maintain the housing's environmental integrity. The aluminum body with 304 stainless steel sleeve resists corrosion in industrial atmospheres. Periodically verify that the connector protector is secure and the cable is free from abrasion. Following these steps extends service life and reduces unplanned downtime.

Compatibility and Integration Guide

The 21000-34-10-00-028-04-02 integrates with Bently Nevada monitoring systems that accept 3300 XL 8 mm probes. It works with standard 3/4-14 NPT conduit fittings for wiring. For intrinsically safe applications, pair this housing with approved proximity probes and barriers. Always consult the official Bently Nevada documentation for specific system compatibility.

FAQ about the 21000-34-10-00-028-04-02

Q: What is the probe cable length for the 21000-34-10-00-028-04-02?

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

Q: Is the 21000-34-10-00-028-04-02 suitable for hazardous areas?

A: Yes, it supports selectable hazardous area approvals with the 3300 XL 8 mm probe option.

Q: What mounting thread does the 21000-34-10-00-028-04-02 use?

A: It uses a 3/4-14 NPT mounting thread, which must be ordered if no standoff adapter is selected.

Q: What is the weight of the 21000-34-10-00-028-04-02?

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

Q: Does the 21000-34-10-00-028-04-02 include a standoff adapter?

A: No, the suffix code 00 indicates no standoff adapter is included.

Product Support and Availability

The 21000-34-10-00-028-04-02 is available as new and original in factory packing from Petro Auto Tech. It ships with a 12-month factory warranty. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.