Bently Nevada 32000-28-05-00-100-03-02 Proximity Probe

Product Overview

The Bently Nevada 32000-28-05-00-100-03-02 proximity probe housing assembly secures and positions eddy-current probes for precise shaft vibration measurements. This rugged assembly ensures consistent probe gap settings even under extreme machine operating conditions. It forms an essential component within Bently Nevada’s comprehensive machinery protection systems. Plant engineers choose this housing for its proven durability in turbines, compressors, and large electric motors. The assembly simplifies installation and maintenance while maintaining measurement accuracy over extended service intervals.

Technical Specifications

The table below outlines the complete technical parameters for the Bently Nevada 32000-28-05-00-100-03-02 housing assembly.

Parameter	Specification
Product Type	Proximity Probe Housing Assembly
Compatibility	Bently Nevada 3300 XL and 7200 series probes
Thread Size	3/4-20 UNF or M20 x 1.5 (depending on configuration)
Overall Length	100 mm (excluding cable termination)
Housing Diameter	28 mm
Mounting Type	Side-entry or top-entry (field configurable)
Material	316L stainless steel or aluminum alloy
Weight	Approximately 0.42 kg
Operating Temperature	-40°C to +125°C
Sealing Rating	IP66 / NEMA 4X (when properly installed)
Vibration Resistance	20 g peak at 10 Hz to 2 kHz

Functional Design and Construction

Housing Material and Durability

The housing assembly features 316L stainless steel construction for exceptional corrosion resistance. This material withstands harsh environmental conditions including high humidity, chemical exposure, and extreme temperature fluctuations. The assembly’s robust build ensures reliable probe positioning for years of continuous service.

Probe Accommodation and Adjustment

This assembly accepts standard Bently Nevada probes with 3/4-20 UNF or M20 x 1.5 thread configurations. Operators can easily adjust the probe depth to achieve the optimal air gap for linear measurement range. The design incorporates a locking mechanism that secures the probe position once you complete the adjustment. Consequently, the Bently Nevada 32000-28-05-00-100-03-02 maintains gap stability even under severe mechanical vibration.

Mounting Versatility and Installation

The assembly supports both side-entry and top-entry cable routing configurations. This flexibility simplifies installation because you can adapt the orientation to suit the specific machine geometry. The housing measures 100 millimeters in overall length with a 28 millimeter diameter, fitting most standard mounting brackets. Weighting just 0.42 kilograms, it places minimal additional load on the measurement standoff.

Environmental Protection and Sealing

Proper installation provides IP66 and NEMA 4X sealing protection against dust and water ingress. The assembly’s sealing design prevents contamination from reaching the sensitive probe tip and internal wiring. This protection ensures measurement integrity remains intact even in washdown environments or outdoor installations.

Application and Integration

The Bently Nevada 32000-28-05-00-100-03-02 works seamlessly with the 3300 XL and 7200 series proximitor systems for radial and axial vibration monitoring. It supports both keyphasor and eccentricity measurement applications in turbomachinery. Users can pair this assembly with extension cables and proximitors to complete the measurement chain. This integration provides continuous shaft position data for predictive maintenance and automatic machinery protection.