Product Overview
When probe failures cause costly downtime, the Bently Nevada 330191-40-75-05-05 industrial automation module delivers robust performance. This 3300 XL 8 mm ETR proximity probe, with 3/8-24 UNF threads and no armor, incorporates patented TipLoc and CableLoc designs to prevent tip detachment and cable pull-out. The thicker PPS encapsulation and larger diameter body resist physical abuse, while optional FluidLoc cable prevents oil leakage. Available in a 0.5-meter (1.6 feet) total length with CSA, ATEX, and IECEx approvals.
Technical Specifications
| Parameter |
Value |
| Model |
330191 - 3300 XL 8 mm ETR Probe |
| Unthreaded Length |
4.0 in (40 option) |
| Overall Case Length |
7.5 in (75 option) |
| Total Length |
0.5 meter (1.6 feet) |
| Power Requirement (nonincendive) |
-17.5 Vdc to -26 Vdc at 12 mA max |
| Power Requirement (with barriers) |
-23 Vdc to -26 Vdc |
| Supply Sensitivity |
<2 mV change per volt change |
| Output Resistance |
50 Ω |
| Probe DC Resistance (0.5m) |
7.45 ± 0.50 Ω |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 303 or 304 stainless steel |
| Standard Cable |
75 Ω triaxial, FEP insulated |
| Tensile Strength (case to lead) |
330 N (75 lbf) |
| Tensile Strength (lead to connector) |
270 N (60 lbf) |
| Connector Material |
Gold-plated brass or beryllium copper |
| Max Connector Torque |
0.565 N·m (5 in·lbf) |
| Thread |
3/8-24 UNF |
| Max Thread Engagement |
0.563 in |
| Weight |
323 g/m (11.4 oz/m) |
| Approvals |
CSA, ATEX, IECEx |
Industry Applications
The Bently Nevada 330191-40-75-05-05 excels in turbine and generator vibration monitoring, where probe reliability is critical. In harsh environments, the patented TipLoc molding method eliminates sensor tip separation, while the CableLoc design withstands 330 N pull force to prevent cable failures. The 8 mm probe’s thicker encapsulation provides optimal robustness against physical abuse during installation or operation. For machines exposed to oil leaks, the optional FluidLoc cable prevents fluid ingress through the cable interior, making this probe ideal for compressor and pump applications.
Installation & Setup Guidance
Mount the Bently Nevada 330191-40-75-05-05 probe using the 3/8-24 UNF thread with a maximum thread engagement of 0.563 in. Tighten the connector to a maximum torque of 0.565 N·m (5 in·lbf) to avoid damage. Use only Bently Nevada extension cables to maintain entity parameters. Ensure the nonincendive circuit is connected per installation drawing 140979 when operating at -17.5 Vdc to -26 Vdc. For barriers, operate at -23 Vdc to -26 Vdc. Note that operation above -23.5 Vdc may reduce linear range. The probe is not pressure tested prior to shipment; handle with care.
Maintenance & Reliability
The 330191-40-75-05-05 features a Viton O-ring seal to prevent differential pressure leakage between tip and case. The ambient temperature range for the probe is -55°C to +232°C for T1 classification, with lower temperatures for higher classifications. The gold-plated connectors resist corrosion, and the FEP-insulated triaxial cable maintains signal integrity. Regular inspection of the cable and connectors for wear is recommended. The probe’s robust design reduces the need for frequent replacement, lowering total cost of ownership.
Selection Guide & Purchasing Advice
When selecting the Bently Nevada 330191-40-75-05-05, verify the total length (0.5 m), unthreaded length (4.0 in), and overall case length (7.5 in). This variant does not include armor, but optional armoring is available. Confirm your system’s cable type (standard or extended temperature range) and agency approval requirements (CSA, ATEX, IECEx). Purchase from PLC Source PRO to receive a new, original product with factory packing and a 12-month warranty.