Product Introduction
When machinery vibration monitoring demands precision and durability, the Bently Nevada 330710-000-050-50-02-CN delivers exceptional performance. This 3300 XL 11 mm Proximity Probe is designed for continuous, non-contact measurement of shaft vibration and position in critical rotating equipment. Built with a stainless steel case and polyphenylene sulfide (PPS) probe tip, it withstands harsh industrial environments. The 330710-000-050-50-02-CN features an M16x1.5 thread, integral armor, and a 5-meter cable with a miniature coaxial ClickLoc connector, ensuring reliable signal transmission even in high-vibration applications.
Technical Specifications
Key parameters of the Bently Nevada 330710-000-050-50-02-CN include:
- Unthreaded Length: 0 mm
- Overall Case Length: 50 mm
- Total Cable Length: 5.0 meters (16.4 feet)
- Connector: Miniature coaxial ClickLoc connector, standard cable
- Agency Approval: CN Country Specific
- Probe DC Resistance at 5.0 m: 7.2 ± 0.8 ohms
- Minimum Target Flat Surface Diameter: 30.5 mm (1.2 in)
- Minimum Shaft Diameter: 152 mm (6.0 in)
- Probe Tip Material: Polyphenylene sulfide (PPS)
- Probe Case Material: AISI 304 stainless steel
- Probe Cable: 75 Ω triaxial, FEP insulated
- Probe Case Torque (M16x1.5): 21.1 N·m (187 in·lb)
- Connector-to-connector torque: Finger tight recommended, max 0.565 N·m (5 in·lb)
- Minimum Bend Radius: 25.4 mm (1.0 in)
- Mounting Thread: M16x1.5
- Maximum Thread Engagement: 24 mm
- Operating/Storage Temperature: -52°C to +177°C (-62°F to +351°F)
Common Failure Modes and How This Probe Mitigates Them
Proximity probes face several failure modes: temperature extremes cause cable breakdown, mechanical stress damages threads, and cross-talk from adjacent targets corrupts signals. The Bently Nevada 330710-000-050-50-02-CN addresses each issue directly. Its FEP-insulated triaxial cable maintains integrity from -52°C to +177°C, preventing premature failure. The stainless steel case and PPS tip resist corrosion and wear. The M16x1.5 thread with 24 mm engagement provides secure mounting, while the specified torque limits (21.1 N·m for case, 0.565 N·m for connector) prevent overtightening damage. Cross-talk is minimized by adhering to minimum target and shaft diameters (30.5 mm and 152 mm respectively), ensuring accurate readings.
Installation and Setup Guidance
Proper installation of the 330710-000-050-50-02-CN is critical for reliable operation. First, verify that the mounting hole is threaded M16x1.5 and that thread engagement does not exceed 24 mm. Use a torque wrench to tighten the probe case to 21.1 N·m (187 in·lb) for M16x1.5 threads. The connector should be hand-tight only; maximum torque is 0.565 N·m (5 in·lb) to avoid damaging the ClickLoc mechanism. Ensure the cable follows a path with a minimum bend radius of 25.4 mm (1.0 in) to prevent internal conductor stress. For best results, avoid exposing the probe to temperatures below -34°C (-30°F) during installation, as this may weaken the pressure seal.
Maintenance and Reliability
Routine inspection of the Bently Nevada 330710-000-050-50-02-CN helps maximize service life. Check the cable jacket for cuts or abrasions, especially near the connector and armor ends. Verify that the probe tip is clean and free of debris. The probe's wide temperature range (-52°C to +177°C) makes it suitable for turbines, compressors, and pumps in extreme environments. The all-welded stainless steel construction and PPS tip resist chemical attack and physical damage. Following the recommended torque values during reinstallation ensures consistent performance and prevents thread galling.
Selection Guide and Purchasing Advice
Before purchasing the 330710-000-050-50-02-CN, confirm that your system requires a 5-meter probe with M16x1.5 thread and armor. This probe is designed exclusively for use with the five-meter Proximitor Sensor. Accessories such as extension cables and mounting brackets are available from UBEST Automation. For bulk orders or specialized configurations, contact UBEST Automation through ubest101.myshopify.com for a quote. Always verify your Proximitor model compatibility to ensure optimal performance in your vibration monitoring application.