21000-34-05-15-095-04-02 | Bently Nevada 0.5m Cable Proximity Probe Housing Assembly

Introduction to the 21000-34-05-15-095-04-02

When industrial machinery requires precise vibration monitoring, the 21000-34-05-15-095-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is part of the 21000 series, designed to protect and position a 3300 XL 8 mm probe with connector protector. It supports selectable hazardous area approvals, making it suitable for demanding environments. The housing features an aluminum body with a 304 stainless steel sleeve, ensuring durability and corrosion resistance. With a 0.5 m (20 in) probe cable length, a 1.5 in standoff adapter, and a 9.5 in probe penetration, this assembly is engineered for accurate measurements in tight spaces.

Key Features and Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Cable Length: 0.5 m (20 in).
• Standoff Adapter: 1.5 in.
• Probe Penetration: 9.5 in.
• Fitting Option: One 3/4-14 NPT plug only.
• Mounting Thread: 3/4-14 NPT (required if standoff adapter is not 0).
• Material: Aluminum body with 304 stainless steel sleeve.
• Maximum (C) + (D) Dimension: 13.5 in (34.3 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

The unique 0.5 m cable length allows for compact installations where space is limited, reducing the risk of cable damage and signal interference. This spec enhances reliability in tight machinery compartments.

Applications and Use Cases

In rotating machinery monitoring, the 21000-34-05-15-095-04-02 excels at measuring shaft vibration and position. It is commonly used in turbines, compressors, and pumps where proximity probes detect minute displacements. The CSA Type 4 enclosure rating ensures protection against dust and water ingress, ideal for harsh industrial settings. Additionally, its compliance with API 670 Standard makes it a trusted choice for externally mounted probe housings in oil and gas applications.

Installation and Setup

Mount the housing using the 3/4-14 NPT thread option for secure conduit connections. Ensure the standoff adapter is properly torqued to maintain the 1.5 in gap. The probe cable length of 0.5 m should be routed without sharp bends to preserve signal integrity. Always follow Bently Nevada's guidelines for hazardous area installations when using approved probes.

Maintenance and Reliability

Periodically inspect the O-rings and thread seal for wear to maintain the explosion-proof rating. The aluminum body with stainless steel sleeve resists corrosion, extending service life in humid or corrosive environments. Routine checks of the probe connector and cable integrity help prevent false readings. This proactive approach reduces downtime and maintenance costs over the long term.

Compatibility and Integration

The 21000-34-05-15-095-04-02 integrates with Bently Nevada monitoring systems that accept 3300 XL 8 mm probes. The CSA Type 4 enclosure and API 670 compliance ensure compatibility with standard industrial vibration monitoring setups. For intrinsically safe applications, use hazardous area approved probes with this housing. Refer to the official datasheet for specific system compatibility details.

Troubleshooting and Common Issues

If the probe fails to output a signal, check the connector for corrosion or damage. Verify that the standoff adapter is correctly installed at 1.5 in to avoid excessive gap. For intermittent readings, inspect the cable for cuts or kinks, especially near the probe tip. Ensure the mounting thread is properly sealed with the 3/4-14 NPT plug to prevent moisture ingress.

FAQs about the 21000-34-05-15-095-04-02

What is the cable length of the 21000-34-05-15-095-04-02?

The probe cable length is 0.5 m (20 in).

What probe does this housing assembly use?

It uses a 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.

What is the standoff adapter length?

The standoff adapter length is 1.5 in.

Is this housing explosion-proof?

Only CA versions of the housing are rated explosion-proof by CSA when ordered with specific options. This assembly supports selectable hazardous area approvals.

What is the weight of the 21000-34-05-15-095-04-02?

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

Product Support and Availability

The 21000-34-05-15-095-04-02 is available in new and original 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.