21000-34-00-15-050-03-02 | Bently Nevada 8 mm Probe Housing Assembly

Introduction to the Bently Nevada 21000-34-00-15-050-03-02

When machinery vibration threatens uptime, the 21000-34-00-15-050-03-02 provides a robust solution. This Bently Nevada proximity probe housing assembly is engineered for hazardous area monitoring. It supports a 3300 XL 8 mm probe with connector protector. The assembly includes a 1.5-inch standoff adapter and 5.0-inch probe penetration. Maintenance engineers trust this design for reliable, continuous data.

Key Features and Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals.
• Standoff Adapter: 1.5 inches for precise positioning.
• Probe Penetration: 5.0 inches for deep measurement.
• 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 3/16, 1/4 to 5/16, and 5/16 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT.
• Material: Aluminum body with 304 stainless steel sleeve.
• Probe Cable Length: 1.0 meter.
• Maximum Dimension (C + D): 17.0 inches (43.18 cm) with visible probe P/N and S/N; overall 32.9 inches (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

A distinctive spec is the 5.0-inch probe penetration. This depth allows engineers to reach vibration sources in thick casings, improving measurement accuracy.

Industry Applications

In oil and gas refineries, the 21000-34-00-15-050-03-02 monitors compressor and pump vibration. Its CSA explosion-proof rating suits Class I, Division 1 hazardous areas. The housing also meets API 670 standards for externally mounted probes. This makes it ideal for critical rotating machinery in petrochemical plants.

Installation and Setup

Mount the assembly using the 3/4-14 NPT thread. Secure the standoff adapter at 1.5 inches for proper probe clearance. Route the 1.0-meter probe cable through the cable seal grip. Adjust grommets to match cable diameter. Verify the probe tip gap per Bently Nevada guidelines. Always follow the manufacturer's manual for hazardous area installations.

Maintenance and Reliability

Inspect the O-rings and thread seal annually. Check the dome cover for tightness. Replace grommets if cracked. The aluminum and stainless steel construction resists corrosion. Regular inspection per the manufacturer's safety manual ensures long service life. This reduces unplanned downtime and replacement costs.

Compatibility and Integration

The 21000-34-00-15-050-03-02 works with Bently Nevada 3300 XL 8 mm proximity probes. It integrates with Bently Nevada vibration monitoring systems. The housing is CSA Type 4 certified for weatherproof and dust-tight environments. Use with compatible Bently Nevada cables and connectors for seamless data transmission.

Troubleshooting and Common Issues

If readings are erratic, check the probe cable connection. Ensure the grommet seals properly to prevent moisture ingress. Verify the standoff adapter is not loose. If the probe tip is damaged, replace it immediately. Refer to Bently Nevada documentation for diagnostic steps.

FAQ about 21000-34-00-15-050-03-02

What is the probe option for the 21000-34-00-15-050-03-02?

The assembly uses a 3300 XL 8 mm probe with connector protector, selectable for hazardous area approvals.

What is the standoff adapter length?

The standoff adapter is 1.5 inches.

What is the probe penetration depth?

The probe penetration is 5.0 inches.

What mounting thread does the housing use?

The mounting thread is 3/4-14 NPT.

What is the weight of the assembly?

The assembly weighs 1.1 kg (2.4 lb) typical, without fittings.

Product Support and Availability

The Bently Nevada 21000-34-00-15-050-03-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead times. We offer fast delivery on new, factory-sealed units.