Description
Conditioning high-frequency eddy current signals for industrial machinery protection systems is the core function of the Bently Nevada 132306-02, a heavy-duty spare proximitor sensor engineered with an integrated protective housing cover. This specialized unit acts as an interface between proximity probes and monitoring systems, converting physical shaft movement into reliable voltage outputs. To ensure long-term operational viability, system engineers should note that this specific legacy model has been officially superseded by the 178850-00 Upgrade Kit.
Features
- Integrated heavy-duty housing cover providing superior protection against mechanical impacts and airborne contaminants.
- Robust cast alloy construction suitable for deployment in high-vibration petrochemical and power generation environments.
- Precise signal modulation translating probe-to-target distance into accurate analog voltage.
- Standardized terminal blocks for secure, low-resistance field wiring terminations.
Applications
- Steam turbine radial shaft vibration and axial position monitoring.
- Centrifugal compressor thrust bearing wear tracking.
- Large industrial gearbox input and output shaft dynamic motion analysis.
- Hydroelectric generator bearing housing vibration monitoring.
Ordering & Lifecycle Information
| Parameter |
Details |
| Product Status |
Legacy / Legacy Spare Part |
| Recommended Replacement |
178850-00 Upgrade Kit |
| Included Accessories |
Protective Housing Cover |
Technical Specifications
| Specification |
Value |
| Manufacturer |
Bently Nevada |
| Part Number |
132306-02 |
| Device Type |
Spare Proximitor Sensor and Housing Cover |
| Enclosure Material |
Cast Aluminum / Cast Alloy |
| Shipping Weight (Calculated) |
10.0 kg (22.0 lbs) (reflective of full protective housing assembly) |
| Country of Origin |
United States |
Empirical Engineering Insights
Alternative Models & Compatibility
The 132306-02 is design-matched to legacy proximity probe systems. When updating an installation, transitioning to the 178850-00 Upgrade Kit ensures compatibility with modern 3500 series vibration monitoring racks while improving electromagnetic noise rejection. Always verify the system calibration curve (typically 200 mV/mil or 7.87 V/mm) when swapping legacy sensors.
Application Pitfalls & Engineering Notes
In humid or washdown areas, thermal cycling within sealed metal enclosures can cause internal moisture condensation. Ensure that any breathers or drainage plugs on the housing base are functional and oriented downward. Avoid running high-voltage AC cables in the same conduit as the sensor's low-voltage DC signals to prevent signal corruption.
Commissioning & Wiring Tips
When terminating the probe coaxial cables, do not over-torque the subminiature coaxial connectors, as this can crush the dielectric layer and cause signal drift. Use a calibrated torque wrench designed specifically for RF-style coaxial connections. Ensure the housing enclosure is grounded to the local plant instrument ground to isolate the sensor from parasitic ground loops.
Installation Guidelines
CRITICAL WARNING:
Isolate and de-energize all power sources connected to the transmitter housing and monitoring rack before removing the housing cover. Working on live systems within hazardous areas risks igniting flammable atmospheres and permanently damaging internal solid-state components.
1
Mount the housing assembly securely to a rigid, vibration-isolated structural support near the proximity probe installation location.
2
Route the field-side cabling through designated conduit entries, utilizing approved liquid-tight cable glands to preserve the enclosure rating.
3
Connect the probe lead-in cables to the proximitor terminals, ensuring polarity and shield continuity are strictly maintained without ground loops.
4
Seat the housing cover correctly over the gasket and secure the cover bolts to the specified torque to prevent environmental ingress.