Technical Specifications Breakdown
Key parameters for the 21000-34-00-00-065-03-02 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Model | 21000 Proximity Probe Housing Assemblies |
| Probe Option | 34 = 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals |
| Probe Penetration | 065 = 6.5 in |
| Fitting Option | 03 = One 3/4-14 NPT plug, One 3/4-14 to 1/2-14 NPT reducer, One cable seal grip with grommets for cable sizes: 1/8 to 3/16 inches, 1/4 to 5/16 inches, 5/16 to 3/8 inches |
| Mounting Thread Option | -02 = 3/4-14 NPT |
| Material | 21000 Aluminum body with 304 stainless steel sleeve |
| Weight | 1.1 kg (2.4 lb) typical, without fittings |
| Certifications | CSA approved, CSA Type 4 enclosure, API 670 compliant |
Industry Applications
The 8 mm probe with connector protector ensures reliable shaft vibration and position measurements on compressors, turbines, and pumps. Its CSA Type 4 rating makes it suitable for outdoor installations exposed to rain and dust.

Installation & Setup Guidance
Mount the housing using the 3/4-14 NPT mounting thread. Use the provided fittings: the 3/4-14 NPT plug, reducer, and cable seal grip. Select the appropriate grommet for your cable diameter (1/8 to 3/16 inches, 1/4 to 5/16 inches, or 5/16 to 3/8 inches). Ensure the probe sleeve penetration of 6.5 in is correctly set for the target gap. Follow API 670 guidelines for external mounting.
Maintenance & Reliability
Inspect the housing periodically for corrosion or damage, especially in harsh environments. The aluminum body with 304 stainless steel sleeve offers good corrosion resistance. Check O-rings and seals during routine maintenance to maintain the explosion-proof integrity. The CSA Type 4 enclosure protects against water ingress and dust.
Robust Protection for Critical Vibration Monitoring
Industrial rotating machinery demands reliable vibration monitoring to prevent catastrophic failures. The Bently Nevada 21000-34-00-00-065-03-02 Proximity Probe Housing Assembly provides a rugged, explosion-proof enclosure for proximity probes in hazardous areas. This assembly is designed for externally mounted probes, meeting API 670 standards for durability and safety.

Compatibility & Integration
This assembly is designed for use with Bently Nevada 3300 XL 8 mm proximity probes. It integrates with Bently Nevada monitoring systems for continuous vibration data acquisition. The connector protector ensures reliable signal transmission in demanding conditions.
Selection Guide & Purchasing Advice
When ordering, verify that the 21000-34-00-00-065-03-02 matches your probe cable length and mounting requirements. The standoff adapter option is not required here (00). For applications needing different probe cable lengths or standoff adapters, consult the full 21000 series suffix codes. AutoDCSTech offers this assembly new and in original factory packing with a 12-month warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 21000-34-00-00-065-03-02 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
