330173-00-18-10-02-05 Bently Nevada 5mm Probe M8 Thread

Product Overview: Bently Nevada 330173-00-18-10-02-05

The Bently Nevada 330173-00-18-10-02-05 is a 3300 series 5mm proximity probe engineered for precise displacement and vibration measurement in industrial machinery. Because of its M8 x 1 thread and 180 mm case length, this probe integrates directly into standard mounting provisions without adapters. Consequently, installation time and alignment errors decrease, which reduces commissioning costs. The probe features a polyphenylene sulfide (PPS) tip and an AISI 304 stainless steel case, delivering reliable performance in harsh environments. Additionally, the miniature coaxial ClickLoc connector ensures a secure, low-noise signal path. With a total length of 1.0 metre, the probe suits applications where the target is within close reach of the proximitor. For engineers seeking engineering-grade precision, this probe offers exact measurement capabilities.

330173-00-18-10-02-05 Technical Specifications

• Input Voltage: -17.5 Vdc to -26 Vdc at 12 mA maximum consumption.
• Output Resistance: 50 Ω.
• Probe DC Resistance: 7.59 ± 0.50 Ω from center to outer conductor.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Case Material: AISI 304 stainless steel (SST).
• Total Length: 1.0 metre (3.3 feet).
• Weight: 0.323 Kg.
• Connector: Miniature coaxial ClickLoc, standard cable.
• Agency Approval: Multiple Approvals.

These verified parameters ensure the probe meets exact system requirements, minimizing downtime and rework costs.

Cost-Efficiency Through Verified Specifications

In industrial settings, unplanned downtime often stems from measurement inaccuracies. However, the 330173-00-18-10-02-05 addresses this by maintaining a sensitivity of less than 2 mV change per volt change in input voltage. As a result, signal drift remains minimal, which reduces false alarms and unnecessary maintenance calls. Furthermore, the probe's 50 Ω output resistance matches standard proximitor inputs, eliminating the need for signal conditioners. This compatibility lowers integration expenses. Additionally, the robust AISI 304 stainless steel case withstands corrosive atmospheres, extending service life and deferring replacement costs. Because the probe operates from -35°C to +177°C, it performs reliably in extreme conditions without additional heating or cooling. Consequently, energy consumption stays low, aligning with cost-reduction initiatives.

Applications and Integration

The 330173-00-18-10-02-05 excels in turbomachinery, compressors, and pumps where axial and radial displacement monitoring is critical. For instance, in a steam turbine, this probe detects rotor movement early, preventing catastrophic failure and costly repairs. Similarly, in centrifugal compressors, it provides precise vibration data that optimizes balancing and extends bearing life. Because the probe uses a standard M8 x 1 thread, it fits existing mounting holes, reducing retrofit costs. When integrating with Bently Nevada 3300 series monitors, the ClickLoc connector ensures a reliable connection. However, wiring into fieldbus networks may require an external gateway or connection module. Therefore, confirm cables and gateways with AutoDCSTech to ensure seamless integration.

Maintenance and Reliability

To maintain engineering-grade precision, inspect the probe periodically for physical damage or loose connections. Since the probe tip is PPS, avoid abrasive cleaning that could alter its geometry. Moreover, verify the gap voltage remains within linear range; operation at more positive than -23.5 Vdc reduces linear range. Because the probe operates in a wide temperature range, thermal cycling may affect the pressure seal below -34°C. Hence, avoid exposure to temperatures below -34°C to prevent premature failure. By following these practices, plants achieve long-term reliability and lower total cost of ownership.