Product Introduction
When turbine bearing vibrations threaten machinery integrity, the Bently Nevada 330707-00-62-50-12-05 3300 XL 11 mm Proximity Probe provides precise displacement monitoring. This robust sensor from the 3300 XL series is engineered for continuous duty in harsh industrial environments, delivering accurate measurements of shaft vibration and position.
Technical Specifications
| Parameter |
Value |
| Probe Case Thread |
1/2-20 UNF |
| Overall Case Length |
6.2 in |
| Total Length |
5.0 meters |
| Connector Type |
Miniature coaxial ClickLoc |
| Cable Type |
FluidLoc cable, 75 Ω triaxial FEP insulated |
| Operating Temperature |
-52°C to +177°C |
| Storage Temperature |
-52°C to +177°C |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Shipping Weight |
0.17 Kg |
| DC Resistance (RPROBE) |
7.2 ± 0.8 ohms |
| Maximum Thread Engagement |
0.750 in |
| Recommended Torque |
15.0 N·m |
Industry Applications
The Bently Nevada 330707-00-62-50-12-05 is ideal for monitoring rotating machinery such as steam turbines, compressors, and large pumps. In a typical application, the probe mounts into a bearing housing to measure shaft radial vibration and axial position. Its 5-meter cable length suits installations where the proximitor is mounted remotely.
With multiple agency approvals, this model meets global safety standards, making it suitable for hazardous area installations. The PPS tip and 304 stainless steel case resist chemical exposure and mechanical shock.
Installation & Setup Guidance
For reliable operation, ensure the probe case thread (1/2-20 UNF) is properly engaged. Maximum thread engagement is 0.750 inches; do not exceed 45.2 N·m (400 in·lb) torque. Recommended torque is 15.0 N·m (133 in·lb). Use the ClickLoc connector with Finger tight torque (0.565 N·m max).
The cable has a minimum bend radius of 25.4 mm (1.0 in). Avoid sharp bends to prevent internal damage. When routing the FluidLoc cable, secure it away from high-temperature surfaces and moving parts.
Maintenance & Reliability
Regularly inspect the probe cable and connector for wear. The Viton O-ring provides a pressure seal; exposure to temperatures below -34°C (-30°F) may cause premature seal failure. For applications with temperature extremes, consult the temperature schedule: at T2 classification, ambient temperature can reach +177°C, while T5 limits to +40°C.
The stainless steel case and PPS tip offer long life in abrasive environments. Periodic calibration checks ensure measurement accuracy. If the probe shows signs of corrosion or mechanical damage, replace it promptly to avoid machinery damage.
For all your Bently Nevada 330707-00-62-50-12-05 needs, trust UBEST Automation for genuine parts and expert support.