Product Introduction
When shaft vibration monitoring demands precision and reliability, the Bently Nevada 330171-00-94-10-02-00 provides accurate displacement measurements. This 5mm probe from the 3300 series features a 1/4-28 UNF thread and a polyphenylene sulfide (PPS) probe tip. Designed for use in critical rotating machinery, the 330171-00-94-10-02-00 delivers consistent performance in harsh industrial environments.
Technical Specifications Breakdown
The following key specifications are measured under standard conditions (system +18°C to +27°C, -24 Vdc supply, 10 kW load, AISI 4140 steel target, 1.27 mm gap).
| Parameter |
Value |
| Power Supply |
-17.5 Vdc to -26 Vdc at 12 mA maximum consumption |
| Supply Sensitivity |
Less than 2 mV change per volt change in input voltage |
| Output Resistance |
50 Ω |
| Probe DC Resistance (1.0 m cable) |
7.59 ± 0.50 Ω |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 303 or 304 stainless steel |
| Probe Temperature Range |
-35°C to +177°C (-31°F to +351°F) |
| 5mm Probe Tensile Strength |
222 N (50 lbf) probe case to probe lead |
Additional details: The 330171-00-94-10-02-00 uses a 75 Ω triaxial FEP insulated probe cable and a gold-plated brass or beryllium copper miniature coaxial ClickLoc connector.
Application Scenarios
The Bently Nevada 330171-00-94-10-02-00 is primarily used for non-contact shaft vibration monitoring in turbines, compressors, pumps, and generators. For instance, in steam turbine radial bearing monitoring, the probe’s 5mm sensing face detects shaft displacement with high linearity over its range. The temperature schedule ensures safe operation across temperature classifications T1 through T5, with ambient ranges from -55°C to +232°C depending on the EPL rating. In applications with strong 60 Hz magnetic fields (up to 300 Gauss for a 5m system), the output voltage variation is minimal, as shown in the data.
Installation & Setup Guidance
Proper installation of the 330171-00-94-10-02-00 is critical for reliable readings. Note the probe case thread 1/4-28 with a maximum thread engagement of 0.375 inches. When drilling and tapping a mounting hole, use a #3 or larger tap drill. Recommended probe case torque is 5.1 N·m (45 in·lb); maximum torque is 7.3 N·m (65 in·lb). The connector-to-connector torque should not exceed 0.565 N·m (0.42 ft·lbf). Ensure the cable bend radius is at least 25.4 mm (1.0 in) to avoid damage. Exposing the probe to temperatures below –34°C (-30°F) may cause premature failure of the pressure seal.
Maintenance & Reliability
Regular inspection of the probe tip and cable integrity is recommended. The PPS tip resists many chemicals but should be kept free of debris. The probe case material (AISI 304 or 303 SST) provides corrosion resistance. The tensile strength rating of 222 N ensures robust mechanical connection. Environmental considerations: magnetic field effects are measured at various gaps (10, 50, 90 mils) and show low output voltage per gauss. For high-temperature applications, refer to the temperature schedule for EPL Ga/Gc and Dc classifications to ensure compatibility with ambient conditions.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 330171-00-94-10-02-00, verify your total length option (1.0 metre, 3.3 feet), connector option (miniature coaxial ClickLoc), and unthreaded length (0 in). This probe does not include armor. For genuine OEM parts like this, trust PLC Source PRO for fast delivery and quality assurance.