21000-33-10-00-070-03-02 | Bently Nevada 1.0 m Cable Proximity Probe Housing Assembly

Introduction to the 21000-33-10-00-070-03-02

When industrial environments demand reliable vibration monitoring, the 21000-33-10-00-070-03-02 from Bently Nevada delivers robust performance. This proximity probe housing assembly is part of the trusted 21000 series, engineered for externally mounted probes in harsh conditions. With a 1.0 m probe cable and 7.0 in penetration, it provides accurate measurements for machinery protection. The housing combines an aluminum body with a 304 stainless steel sleeve, ensuring durability and corrosion resistance. Additionally, it meets CSA Type 4 enclosure standards, making it suitable for explosion-proof hazardous area applications.

Key Features and Technical Specifications

The 21000-33-10-00-070-03-02 includes a 3300 XL 8 mm probe with connector protector, offering precise sensing. Its cable length of 1.0 m (39 in) allows flexible installation near rotating equipment. The assembly features a 3/4-14 NPT mounting thread and includes one 3/4-14 NPT plug, one reducer, and a cable seal grip for various cable sizes. Key specifications include:

• Probe option: 3300 XL 8 mm with connector protector
• Cable length: 1.0 m (39 in)
• Penetration: 7.0 in
• Mounting thread: 3/4-14 NPT
• Weight: 1.1 kg (2.4 lb) typical, without fittings
• Maximum (C) + (D) dimension: 32.9 in (83.5 cm)
• Material: Aluminum body with 304 stainless steel sleeve
• CSA Type 4 enclosure rating

One distinctive spec is the 7.0 in probe penetration, which allows the sensor to reach deep into machine casings for accurate vibration data. This feature minimizes installation challenges in tight spaces.

Applications and Use Cases

In rotating machinery monitoring, the 21000-33-10-00-070-03-02 excels at measuring shaft vibration and position. It is ideal for use in turbines, compressors, and pumps where hazardous area approvals are required. The assembly complies with API 670 standards, ensuring compatibility with industry safety requirements. As a result, it helps reduce unplanned downtime by providing early warning of mechanical faults. Furthermore, its robust construction withstands extreme temperatures and corrosive environments.

Installation and Setup

Mounting the 21000-33-10-00-070-03-02 involves threading the 3/4-14 NPT fitting into a compatible port. The assembly includes a cable seal grip that accommodates cables from 1/8 to 3/8 inches, simplifying wiring. Ensure the probe cable length of 1.0 m is sufficient for your application before installation. For hazardous areas, follow all local safety codes and use approved conduit fittings. Always verify the probe penetration depth of 7.0 in matches the machine design.

Maintenance and Reliability

Regular inspection of the 21000-33-10-00-070-03-02 housing ensures long-term reliability. Check O-rings and seals for wear, especially in high-vibration environments. The aluminum and stainless steel construction resists corrosion, but periodic cleaning with a dry cloth is recommended. According to the manufacturer, typical weight is 1.1 kg, so the assembly is lightweight yet sturdy. By maintaining the housing, you extend sensor life and reduce replacement costs.

Compatibility and Integration

The 21000-33-10-00-070-03-02 works with Bently Nevada monitoring systems and other compatible vibration analyzers. It supports 3300 XL 8 mm probes, which are widely used in industrial automation. The assembly integrates easily into existing setups due to its standard NPT thread. For system integration, refer to the official Bently Nevada documentation for wiring and configuration details.

Frequently Asked Questions

Q: What is the cable length of the 21000-33-10-00-070-03-02?

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

Q: Does this housing include a standoff adapter?

A: No, the standoff adapter option is 00, meaning no standoff adapter is included.

Q: What mounting thread does the assembly use?

A: It uses a 3/4-14 NPT mounting thread.

Q: Is the housing suitable for hazardous areas?

A: Yes, it has CSA explosion-proof approval and is rated for hazardous locations.

Q: What is the typical weight of the assembly?

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

Product Support and Availability

The 21000-33-10-00-070-03-02 is available as new and original in factory packing from Petro Auto Tech. It comes with a 12-month factory warranty. Contact Petro Auto Tech for current stock levels and ordering information.