Product DescriptionSuffix Breakdown & Model Matrix
| Option Code | Description | Specification |
|---|---|---|
| 32000 | Product Series | Explosion-Proof Proximity Probe Housing Assembly |
| -28 | Probe Thread Option | 3/8-24 UNF |
| -05 | Probe Sleeve Thread | 3/4-14 NPT with Probe |
| -04 | O-Ring Option | Viton |
| -080 | Probe Sleeve Length | 8.0 in (203.2 mm) |
| -03 | Probe Cable Length | 3.0 m |
| -02 | Hazardous Area Approval | ATEX / IECEx / North American Certified |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model Brand | Bently Nevada |
| Origin | United States |
| Weight | ~1.2 kg |
| Dimensions | 203.2 mm sleeve length, 3/4-14 NPT connection |
| Operating Temp | -40 degC to +120 degC |
| Power Consumption | Passive device, no active power consumption |
| Probe Tip Diameter | 8 mm |
| Target Material | AISI 4140 steel (standard calibration) |
| Environmental Rating | NEMA 4X, IP66 |
| Conduit Connection | 3/4-14 NPT |
Eddy-Current Probe Scaling & Gap Voltage Validation
This housing supports calibrated eddy-current probes requiring precise scaling factors per target material conductivity and permeability. Gap voltage validation targets -10 VDC for optimal linear range. Cross-talk suppression between adjacent probes is achieved via correct shield termination at the Proximitor sensor ground reference. Rotor dynamic measurements remain stable under high-vibration conditions when the probe tip is positioned within the linear range verified by the gap voltage check.
Frequently Asked Questions
Q: Can the probe be replaced without removing the machine casing?
A: Yes. The housing design permits probe removal and adjustment through the external cover without opening the machine enclosure.
Q: Is hot-swapping supported for the proximity probe?
A: No. System power must be removed before disconnecting or replacing the probe to prevent transient signals from affecting machinery protection logic.
Q: What torque should be applied to the probe sleeve thread?
A: Tighten to the manufacturer’s specification for 3/4-14 NPT threads, ensuring at least 5 full thread engagements into the housing base.
Field Installation Guidelines
Mount the housing securely to a rigid machine structure using appropriate anti-vibration brackets. Ensure the probe tip is positioned to achieve the specified gap voltage prior to final tightening. Use proper conduit seals rated for hazardous areas. Terminate cable shields directly at the Proximitor sensor ground terminal without intermediate grounding points. Verify environmental sealing integrity after installation to maintain NEMA 4X / IP66 rating.