Product Overview: Enhanced Reliability for Critical Machinery
In rotating machinery monitoring, probe failure due to tip detachment or cable pull-out can lead to costly downtime and inaccurate readings. The Bently Nevada 330191-00-40-90-00 Industrial Automation Module addresses these common failure modes with patented TipLoc and CableLoc designs. The TipLoc molding method provides a robust bond between probe tip and body, while the CableLoc design delivers 330 N (75 lbf) pull strength to secure the cable. This 3300 XL 8 mm ETR Probe is engineered for demanding environments, offering optional FluidLoc cable to prevent oil leakage through the cable interior.
Technical Specifications
| Specification |
Value |
| Power Requirement (nonincendive circuit) |
-17.5 Vdc to -26 Vdc at 12 mA max |
| Power Requirement (with barriers) |
-23 Vdc to -26 Vdc |
| Supply Sensitivity |
Less than 2 mV change per volt change |
| Output Resistance |
50 Ω |
| Probe DC Resistance (9.0 m length) |
9.87 ± 0.50 Ω |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 303 or 304 stainless steel |
| Standard Cable |
75Ω triaxial, FEP insulated |
| Extended Temperature Cable |
75Ω triaxial, PFA insulated |
| Tensile Strength (probe case to lead) |
330 N (75 lbf) |
| Tensile Strength (lead to connector) |
270 N (60 lbf) |
| Connector Material |
Gold-plated brass or beryllium copper |
| Maximum Connector Torque |
0.565 N·m (5 in·lbf) |
| Probe Case Thread |
3/8-24 UNF, max engagement 0.563 in |
| Weight per meter |
323 g/m (11.4 oz/ft) |
| Temperature Range (probe only, EPL Ga/Gc) |
-55°C to +232°C (T1) to -55°C to +40°C (T5) |
| Temperature Range (probe only, EPL Dc) |
Up to +280°C at Ta -55°C to +232°C |
Real-World Applications
The Bently Nevada 330191-00-40-90-00 is ideal for vibration and position monitoring in steam turbines, centrifugal compressors, and large pumps. Its robust construction and temperature classification make it suitable for hazardous area use. The 8 mm probe diameter provides thicker encapsulation for added ruggedness, reducing the risk of physical damage during installation or operation.
Installation & Setup Guidance
When installing the Bently Nevada 330191-00-40-90-00, ensure the mounting hole is tapped with 3/8-24 UNF thread and thread engagement does not exceed 0.563 in. Use the specified connector torque of 0.565 N·m to avoid damaging the gold-plated contacts. Route the cable carefully to prevent exceeding the rated pull strength. If oil leakage is a concern, select the FluidLoc cable option. Probes are sealed with a Viton O-ring, but are not pressure tested; verify seal integrity after installation.
Maintenance & Reliability
Regularly inspect the probe tip and cable for wear. The temperature range varies by classification; ensure ambient temperatures do not exceed the specified limits to maintain accuracy and longevity. The PPS probe tip offers chemical resistance, but abrasive environments may require more frequent inspection. Replacement intervals depend on operating conditions; monitoring trends in output can indicate probe degradation.
Selection Guide: Sourcing from PLC Source PRO
Purchase the Bently Nevada 330191-00-40-90-00 from PLC Source PRO with confidence. Every unit is new, original, factory-packed, and backed by a 12-month warranty. Ensure that the total length (9.0 m) and case options match your application requirements.