Technical Specifications Breakdown
Key parameters for the 31000-28-05-00-012-01-02 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Type | 31000 Proximity Probe Housings |
| Probe Option | 3300 XL 8 mm probe, multiple approvals |
| Probe Cable Length | 0.5 metre (20 in) |
| Probe Penetration | 1.2 in |
| Mounting Thread | 3/4-14 NPT |
| Protection Ratings | Type 4X (CSA), IP66, CENELEC EN50014 |
| Temperature Rating | -51°C to +105°C (-60°F to +221°F) |
| Weight | 1.2 kg (2.6 lb) |
| Housing Material | Glass-reinforced PPS thermoplastic with conductive fibers |
| Impact Strength | 4 J at -39°C and 115°C; 7 J at ambient |
Industrial Applications for the Bently Nevada Housing
This housing is engineered for steam turbines, centrifugal compressors, and large pumps where proximity probes monitor shaft vibration and position. The Type 4X and IP66 ratings make it suitable for outdoor installations, washdown environments, and areas with dust or moisture ingress. The CENELEC EN50014 rating ensures safe electrostatic dissipation in hazardous locations.

Installation and Setup Guidance
When installing the 31000-28-05-00-012-01-02, ensure the mounting thread (3/4-14 NPT) is properly sealed with approved thread sealant. The probe cable length of 0.5 metre requires careful routing to avoid sharp bends. For standoff adapter applications, the mounting thread option 02 is required. The recommended torque for the retaining nut is 29.4 N·m (260 in·lb). Always verify that the O-ring (Neoprene) is seated correctly before final tightening.
Maintenance and Reliability
Periodically inspect the housing for cracks or deformation, especially after high-impact events. The glass-reinforced PPS material with conductive fibers provides chemical resistance and static dissipation. The AISI 304 and 303 stainless steel sleeve and screws resist corrosion in marine or chemical environments. No internal disassembly is required; routine checks should focus on cable integrity and seal condition.
Robust Protection for Critical Vibration Monitoring
In rotating machinery monitoring, the probe housing is the first line of defense against environmental contaminants. The Bently Nevada 31000-28-05-00-012-01-02 provides a sealed, impact-resistant enclosure for the 3300 XL 8 mm proximity probe, ensuring reliable vibration data in the harshest conditions.

Compatibility and Integration
This housing is designed for the 3300 XL 8 mm proximity probe system. It accepts a probe with a 0.5 metre cable and includes one 3/4-14 NPT fitting with two plugs. The housing supports the full temperature range of -51°C to +105°C, matching the probe's operating limits. For systems requiring a standoff adapter, option 00 indicates none is included.
Selection Guide and Purchasing Advice
When selecting a replacement or new housing, verify that the probe penetration (1.2 in) and cable length match your existing setup. The 31000-28-05-00-012-01-02 is a standard configuration for many Bently Nevada monitoring systems. AutoDCSTech stocks this exact model to support your critical machinery protection needs. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 31000-28-05-00-012-01-02 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
