21000-34-10-15-065-03-02 | Bently Nevada 8 mm Proximity Probe Housing Assembly

Introduction to the 21000-34-10-15-065-03-02

When machinery reliability is critical, the 21000-34-10-15-065-03-02 from Bently Nevada provides a robust solution for proximity probe housing. This assembly integrates a 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals, and a 1.0 m (39 in) probe cable. Designed for industrial environments, it supports continuous vibration monitoring to prevent unplanned downtime.

Key Features and Technical Specs

• Probe option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe cable length: 1.0 m (39 in).
• Standoff adapter: 1.5 in.
• Probe penetration: 6.5 in.
• 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 1/8 to 3/8 inches.
• Mounting thread: 3/4-14 NPT (required unless standoff adapter length is -00).
• Material: Aluminum body with 304 stainless steel sleeve.
• Maximum (C) + (D) dimension with visible probe P/N and S/N: 17.0 in (43.18 cm).
• Maximum (C) + (D) dimension: 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 machinery spaces while maintaining signal integrity.

Applications and Use Cases

Maintenance engineers rely on the 21000-34-10-15-065-03-02 for critical rotating equipment such as turbines, compressors, and pumps. Its CSA Type 4 enclosure rating and API 670 compliance make it suitable for hazardous area installations. For example, in a refinery, this housing assembly provides reliable shaft vibration data, enabling early detection of bearing wear.

Installation and Setup

Mount the housing using the 3/4-14 NPT thread option. Secure the probe with the provided fittings, ensuring the cable seal grip matches the cable diameter (1/8 to 3/8 inches). Verify the standoff adapter length (1.5 in) and probe penetration (6.5 in) align with the machine geometry. Always follow Bently Nevada's manual for torque specifications.

Maintenance and Reliability

Regularly inspect the O-rings and thread seal for wear. Check the cable grommets for compression and environmental seal. The aluminum body with stainless steel sleeve resists corrosion, extending service life. Periodic verification of the probe gap and cable continuity ensures consistent performance.

Compatibility and Integration

The 21000-34-10-15-065-03-02 integrates with Bently Nevada monitoring systems and third-party vibration analyzers. Its CSA approvals and API 670 compliance facilitate use in global industrial installations. The 8 mm probe is compatible with standard 3300 XL series extensions.

FAQ about the 21000-34-10-15-065-03-02

What is the probe cable length for this model?

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

What mounting thread option is available?

The mounting thread option is 3/4-14 NPT, required unless the standoff adapter length is -00.

What materials are used in the housing?

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

Is this assembly suitable for hazardous areas?

Yes, it has CSA Type 4 enclosure rating and is available with hazardous area approved probes.

What is the typical weight without fittings?

The typical weight is 1.1 kg (2.4 lb).

Product Support and Availability

In stock and ready to ship from Petro Auto Tech. Contact our team for lifecycle status and ordering assistance.