21000-28-10-15-095-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-28-10-15-095-04-02

When machinery protection demands reliable vibration monitoring, the 21000-28-10-15-095-04-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly is part of the 21000 series, designed for hazardous area applications. It includes a 3300 XL 8 mm probe with selectable approvals, making it suitable for critical rotating equipment.

Key Features and Technical Specifications

• Probe option: 3300 XL 8 mm probe with selectable hazardous area approvals.
• Probe cable length: 1.0 m (39 in).
• Standoff adapter: 1.5 in (38 mm).
• Probe penetration: 9.5 in.
• Fitting option: One 3/4-14 NPT plug only.
• Mounting thread: 3/4-14 NPT.
• Material: Aluminum body with 304 stainless steel sleeve.
• Maximum (C) + (D) dimension with visible probe: 32.9 in (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

One distinctive spec is the 1.0 m probe cable length, which simplifies installation in tight spaces while maintaining signal integrity.

Applications and Use Cases

Engineers often use the 21000-28-10-15-095-04-02 in refineries and chemical plants. It monitors shaft vibration and position in compressors, turbines, and pumps. The housing is CSA Type 4 rated, ensuring protection against dust and water ingress. Consequently, it performs reliably in harsh industrial environments.

Installation and Setup

Mount the housing using the 3/4-14 NPT thread. Ensure the standoff adapter length matches your application. The probe cable length of 1.0 m limits the distance to the monitoring system. For hazardous areas, connect per drawing 140979 to maintain non-incendive circuit rating.

Maintenance and Reliability

Regularly inspect the O-rings and thread seal for wear. The aluminum body and stainless steel sleeve resist corrosion. Routine checks every six months help maintain the housing integrity. This proactive approach extends service life and reduces unplanned downtime.

Compatibility and Integration

The 21000 housing works with Bently Nevada monitoring systems. It accepts 3300 XL 8 mm probes with connector options. The housing is fully compliant with API 670 for externally mounted proximity probes. For intrinsically safe systems, order hazardous area approved probes.

Frequently Asked Questions

Q: What is the probe cable length for the 21000-28-10-15-095-04-02?

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

Q: What material is the housing made of?

A: The housing has an aluminum body with a 304 stainless steel sleeve.

Q: Is this housing suitable for hazardous areas?

A: Yes, it is CSA certified for explosion-proof applications in Class I Divisions 1 and 2 Groups C and D.

Q: What mounting thread does the 21000-28-10-15-095-04-02 use?

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

Q: What is the weight of the assembly without fittings?

A: The typical weight is 1.1 kg (2.4 lb).

Product Support and Availability

The 21000-28-10-15-095-04-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead times. We provide original factory-packed units with a 12-month warranty.