Product Introduction
Upgrading your vibration monitoring system? The Bently Nevada 330191-00-33-50-05 Industrial Automation Module replaces older proximity probe designs with advanced durability. This 3300 XL 8 mm ETR Probe features patented TipLoc and CableLoc technologies for superior mechanical strength. Its 5.0-meter total length and 3/8-24 UNF thread make it a direct fit for many existing installations.
Technical Specifications Breakdown
The Bently Nevada 330191-00-33-50-05 delivers reliable performance with the following key parameters derived from real product data:
| Parameter |
Value |
| Power Supply (nonincendive) |
-17.5 Vdc to -26 Vdc @ 12 mA max |
| Supply Sensitivity |
<2 mV change per volt change |
| Output Resistance |
50 Ω |
| Nominal Probe DC Resistance (5.0 m) |
8.73 ± 0.70 Ω |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 303 or 304 stainless steel |
| Standard Cable |
75Ω triaxial, FEP insulated |
| Tensile Strength (Probe Case to Lead) |
330 N (75 lbf) |
| Maximum Connector Torque |
0.565 N·m (5 in·lbf) |
| Thread Size / Engagement |
3/8-24 UNF / 0.563 in max |
| Weight per meter |
323 g/m (11.4 oz) |
| Temperature Range (T1 class) |
-55°C to +232°C |
These specifications ensure consistent measurement and long service life in demanding industrial environments.
Installation & Setup Guidance
When installing the Bently Nevada 330191-00-33-50-05, follow these key steps for optimal performance. Use the proper 3/8-24 UNF thread engagement (maximum 0.563 inch) and tighten the connector to 0.565 N·m. The probe requires power from a nonincendive circuit per drawing 140979; operation outside -17.5 Vdc to -26 Vdc may reduce linear range. For systems with barriers, voltage must be -23 Vdc to -26 Vdc. Avoid operating at more positive than -23.5 Vdc to maintain full linear range.
Maintenance & Reliability
The Bently Nevada 330191-00-33-50-05 is built for extended uptime. Its patented TipLoc and CableLoc designs resist vibration and pull forces up to 330 N. The optional FluidLoc cable prevents oil leakage through the cable interior, a common failure point in older probes. Regular inspection of connector torque and cable integrity is recommended semiannually. The Viton® O-ring seals differential pressure but probes are not pressure tested prior to shipment—verify in application if pressure sealing is critical.
Industry Applications
This Bently Nevada 330191-00-33-50-05 module excels in rotating machinery monitoring for turbines, compressors, pumps, and motors. Its 8 mm diameter and thicker PPS encapsulation provide robustness against physical abuse, making it ideal for high-vibration environments. Upgrade your legacy systems with this probe to reduce spurious readings and extend calibration intervals.