21000-34-05-15-039-04-02 | Bently Nevada 0.5m Cable Proximity Probe Housing

Introduction to the 21000-34-05-15-039-04-02

When industrial machinery demands precise vibration monitoring in explosive environments, the 21000-34-05-15-039-04-02 from Bently Nevada delivers robust performance. This proximity probe housing assembly is part of the trusted 21000 series, engineered for harsh conditions. It combines an aluminum body with a 304 stainless steel sleeve for durability. The unit includes a 3300 XL 8 mm probe with connector protector, ensuring reliable data collection. With a 0.5 m (20 in) probe cable, it fits tight installations. This model supports selectable hazardous area approvals, making it a versatile choice for safety-critical applications.

Key Features and Technical Specs of the 21000-34-05-15-039-04-02

• The 21000-34-05-15-039-04-02 features a 3300 XL 8 mm probe with connector protector for accurate measurements.
• It includes a 0.5 m (20 in) probe cable length for flexible positioning.
• A 1.5 in standoff adapter and 3.9 in probe penetration provide precise mounting.
• The fitting option includes one 3/4-14 NPT plug for secure conduit connections.
• Mounting thread is 3/4-14 NPT, ensuring compatibility with standard fittings.
• Temperature range for the 3300 XL 8 mm probe is -51°C to +177°C (-60°F to +351°F) for operating and storage.
• Weight is 1.1 kg (2.4 lb) typical, without fittings, for easy handling.
• Maximum (C) + (D) dimension is 13.5 in (34.3 cm) with visible probe P/N and S/N not visible.

Real-World Applications

In the oil and gas industry, the 21000-34-05-15-039-04-02 excels at monitoring rotating equipment like pumps and compressors. Its explosion-proof CSA Type 4 enclosure suits hazardous areas. Additionally, it meets API 670 standards for externally mounted proximity probes. This makes it ideal for refineries and chemical plants seeking reliable vibration data. The assembly also works well in power generation and heavy manufacturing, where uptime is critical.

Installation Guide for the 21000-34-05-15-039-04-02

Installing the 21000-34-05-15-039-04-02 requires mounting the housing with the 3/4-14 NPT thread. First, secure the standoff adapter to the machine surface. Then, insert the probe sleeve and tighten the dome cover. Use the provided 3/4-14 NPT plug for conduit connections. Ensure the probe cable length of 0.5 m is properly routed to avoid strain. Refer to the manual for torque specs and alignment.

Maintenance and Reliability Tips

Regular inspection of the 21000-34-05-15-039-04-02 ensures long service life. Check O-rings and seals for wear periodically. The aluminum body and stainless steel sleeve resist corrosion in tough environments. For hazardous areas, verify the CSA Type 4 enclosure integrity. Following these steps minimizes downtime and extends the assembly's lifespan.

Compatibility and Integration

The 21000-34-05-15-039-04-02 integrates with Bently Nevada monitoring systems for seamless data acquisition. It is compatible with 3300 XL 8 mm probes and standard conduit fittings. The housing supports both 21000 aluminum and 24701 stainless steel options for intrinsically safe applications. This flexibility simplifies upgrades in existing setups.

FAQs about the 21000-34-05-15-039-04-02

What is the probe cable length for the 21000-34-05-15-039-04-02?

The probe cable length is 0.5 m (20 in) as specified in the ordering information.

What temperature range does the 3300 XL 8 mm probe handle?

The 3300 XL 8 mm probe operates and stores from -51°C to +177°C (-60°F to +351°F).

Is the 21000-34-05-15-039-04-02 suitable for hazardous areas?

Yes, it is rated explosion proof with CSA Type 4 enclosure and selectable hazardous area approvals.

What is the mounting thread size?

The mounting thread is 3/4-14 NPT, which must be ordered when the standoff adapter length is not -00.

What is the weight of this assembly?

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

Product Support and Availability

The 21000-34-05-15-039-04-02 is in stock and ready to ship from Petro Auto Tech. As a new and original factory-packed unit, it comes with a 12-month warranty. Contact Petro Auto Tech for current lifecycle status and ordering details.