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21000-34-10-00-066-04-02 | Bently Nevada 8 mm Probe Housing Assembly
What Makes the Bently Nevada 21000-34-10-00-066-04-02 Essential for Vibration Monitoring?
When machinery vibration threatens uptime, the 21000-34-10-00-066-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is designed for hazardous areas, featuring an aluminum body with a 304 stainless steel sleeve. It includes a 3300 XL 8 mm probe with connector protector, ensuring accurate measurements in demanding environments. The assembly supports selectable hazardous area approvals, making it a versatile choice for industrial applications.

Key Features and Technical Specs of the 21000-34-10-00-066-04-02
- Probe Option: 3300 XL 8 mm probe with connector protector for hazardous area approvals.
- Cable Length: 1.0 m (39 in) for flexible installation.
- Probe Penetration: 6.6 in for deep measurement points.
- Fitting Option: One 3/4-14 NPT plug for secure conduit connection.
- Mounting Thread: 3/4-14 NPT for standardized mounting.
- Material: Aluminum body with 304 stainless steel sleeve for durability.
- Weight: 1.1 kg (2.4 lb) typical, without fittings.
- Maximum Dimension (C + D): 32.9 in (83.5 cm) for installation clearance.
The 1.0 m cable length allows for straightforward routing, while the 8 mm probe ensures high sensitivity. This assembly is CSA Type 4 rated and fully compliant with API 670 standards, ensuring reliable performance in harsh conditions.
Real-World Applications for the 21000-34-10-00-066-04-02
In rotating machinery like pumps and compressors, the 21000-34-10-00-066-04-02 excels at monitoring shaft vibration. It is particularly effective in hazardous areas where explosion-proof ratings are required. For example, in a chemical plant, this housing assembly can be installed on a compressor to detect early signs of imbalance, preventing costly downtime. Its CSA approval ensures compliance with safety regulations, making it a trusted choice for critical equipment.

Installation Guide for the Bently Nevada Probe Housing Assembly
Mounting the 21000-34-10-00-066-04-02 is straightforward. First, ensure the mounting thread is 3/4-14 NPT for a secure fit. Then, route the 1.0 m cable through the conduit, using the provided 3/4-14 NPT plug if needed. The probe penetration of 6.6 in allows for optimal positioning. Always verify the standoff adapter is not required (option 00) to avoid misalignment. For explosion-proof installations, use the CA version of the housing with appropriate conduit fittings.
Maintenance and Reliability Tips
To maintain the 21000-34-10-00-066-04-02, inspect the O-rings and thread seal regularly for wear. The aluminum body and stainless steel sleeve resist corrosion, but check for debris around the probe tip. In hazardous areas, verify the explosion-proof rating remains intact after maintenance. Following Bently Nevada’s guidelines ensures long-term reliability and accurate vibration data.
Compatibility and Integration
The 21000-34-10-00-066-04-02 integrates seamlessly with Bently Nevada monitoring systems. It uses a 3300 XL 8 mm probe, which is compatible with most vibration monitors. The CSA Type 4 enclosure allows for outdoor use, while the API 670 compliance ensures standardization. For integration, consult the official datasheet for cable specifications and mounting details.
Frequently Asked Questions About the 21000-34-10-00-066-04-02
Q: What is the cable length of the 21000-34-10-00-066-04-02?
A: The cable length is 1.0 m (39 in), as specified in the ordering information.
Q: Is the 21000-34-10-00-066-04-02 suitable for hazardous areas?
A: Yes, it includes a 3300 XL 8 mm probe with connector protector for selectable hazardous area approvals.
Q: What mounting thread does the 21000-34-10-00-066-04-02 use?
A: It uses a 3/4-14 NPT mounting thread, which must be ordered if the standoff adapter option is not 00.
Q: What is the weight of the 21000-34-10-00-066-04-02?
A: The typical weight is 1.1 kg (2.4 lb) without fittings.
Q: Does the 21000-34-10-00-066-04-02 come with a warranty?
A: It includes a 12-month factory warranty from Bently Nevada.
Product Support and Availability
The 21000-34-10-00-066-04-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier, Petro Auto Tech offers new and original factory-packed units with full support. Contact them for lifecycle status and availability before ordering.
| Part Number | 21000-34-10-00-066-04-02 |
| Condition | In Stock |
| Stock Status | In Stock (Ready to Ship) |
| Weight | 0.5 kg |
| Warranty | 12 Month |
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