21000-34-10-00-030-04-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the 21000-34-10-00-030-04-02

When machinery reliability demands precise vibration monitoring, the 21000-34-10-00-030-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly combines an aluminum body with a 304 stainless steel sleeve for durability in industrial environments. With a 1.0 m probe cable and 3.0 in probe penetration, it offers consistent performance for critical rotating equipment. The assembly supports selectable hazardous area approvals, making it suitable for demanding applications.

Key Features and Technical Specs of the 21000-34-10-00-030-04-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Cable Length: 1.0 m (39 in), ensuring flexible installation.
• Probe Penetration: 3.0 in, providing consistent measurement depth.
• Fitting Option: One 3/4-14 NPT plug for secure conduit connection.
• Mounting Thread: 3/4-14 NPT, compatible with standard industrial fittings.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical without fittings, reducing installation effort.
• Maximum Dimensions: (C) + (D) up to 32.9 in (83.5 cm) for versatile placement.

One distinctive spec is the 8 mm probe size, which enables precise proximity measurement in tight spaces. This translates to reduced downtime from false readings and lower maintenance costs over the equipment lifecycle.

Applications and Use Cases for the 21000-34-10-00-030-04-02

In rotating machinery monitoring, the 21000-34-10-00-030-04-02 excels at detecting shaft vibration and position. For example, in a steam turbine installation, its 1.0 m cable allows flexible routing to the monitoring system. The assembly's CSA Type 4 enclosure rating ensures protection against dust and water ingress, which reduces the risk of environmental damage. Additionally, its API 670 compliance supports standardized integration, saving engineering time during setup.

Installation Guide for the 21000-34-10-00-030-04-02

Mount the housing using the 3/4-14 NPT thread for a secure fit. Ensure the probe cable length of 1.0 m is sufficient for the distance to the junction box. For hazardous area installations, select the appropriate probe option with connector protector. Use the included 3/4-14 NPT plug for unused conduit ports to maintain enclosure integrity. Always follow the manufacturer's manual for torque specifications and wiring details.

Maintenance and Reliability of the 21000-34-10-00-030-04-02

Periodically inspect the aluminum body and stainless steel sleeve for signs of wear or corrosion. Verify the O-rings and thread seal remain intact to preserve the CSA Type 4 rating. The 8 mm probe requires no routine calibration, but checking the cable for damage can prevent signal loss. This low-maintenance design reduces total cost of ownership by minimizing unscheduled downtime.

Compatibility and Integration

The 21000-34-10-00-030-04-02 integrates with Bently Nevada monitoring systems and third-party vibration analyzers. Its 3/4-14 NPT mounting thread matches standard industrial conduit, simplifying retrofits. The assembly supports both intrinsically safe and explosion-proof configurations when ordered with appropriate options, ensuring compatibility with diverse safety requirements.

FAQs about the 21000-34-10-00-030-04-02

What is the probe cable length for the 21000-34-10-00-030-04-02?

The probe cable length is 1.0 m (39 in), as specified in the ordering information.

What mounting thread does this housing use?

It uses a 3/4-14 NPT mounting thread, which must be ordered if the standoff adapter option is not -00.

Is the 21000-34-10-00-030-04-02 suitable for hazardous areas?

Yes, with the 34 probe option it offers selectable hazardous area approvals. The housing is CSA rated explosion-proof with certain options.

What materials are used in the housing?

The housing has an aluminum body with a 304 stainless steel sleeve for durability and corrosion resistance.

What is the typical weight of this assembly?

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

Product Support and Availability

The Bently Nevada 21000-34-10-00-030-04-02 is available in new and original factory packaging. Petro Auto Tech stocks this item and offers a 12-month factory warranty. Contact our team for current lead times and ordering assistance.