🔧 BENTLY NEVADA 330780-90-05 – 3300 XL 11 mm Proximitor Sensor
The Bently Nevada 330780-90-05 is a high-precision 3300 XL series proximitor sensor designed for continuous monitoring of critical rotating machinery. Engineered for industrial and power generation applications, this sensor provides accurate and reliable non-contact displacement measurements of shafts, bearings, and other rotating components. Its robust construction ensures stable performance in harsh operating environments, including high vibration, temperature fluctuations, and electrically noisy conditions.
The 330780-90-05 is fully compatible with Bently Nevada 3300 XL monitoring systems, delivering high-resolution analog signals that allow machinery protection systems to detect imbalance, misalignment, bearing wear, shaft rub, and resonance conditions. By providing early warning of potential mechanical issues, it helps operators prevent catastrophic failures, optimize maintenance schedules, and extend the life of high-value assets.
📘 Key Product Features
⚙️ High-Accuracy Shaft Displacement Measurement
Measures radial, axial, or relative shaft movement with exceptional precision. Designed for continuous monitoring of critical machinery.
🛡️ Industrial-Grade Robustness
Constructed to withstand extreme vibration, temperature variations, and electromagnetic interference common in industrial environments.
🔌 Seamless System Integration
Fully compatible with 3300 XL series monitoring racks, providing clean, amplified analog outputs for machinery protection systems.
🧩 Compact and Modular Design
11 mm probe diameter allows installation in constrained spaces while ensuring reliable mechanical and electrical connection.
📡 Enhanced Reliability
Designed with built-in electronics that stabilize signal, reduce noise, and provide consistent measurement over the sensor’s operational lifetime.
⚡ Wide Operating Range
Capable of monitoring a broad range of machinery speeds and amplitudes, making it versatile for multiple rotating equipment types.
📑 Datasheet – Technical Parameters
| Parameter | Description |
|---|---|
| Model | Bently Nevada 330780-90-05 |
| Series | 3300 XL Proximitor Sensor |
| Probe Diameter | 11 mm |
| Measurement Type | Non-contact shaft displacement |
| Output Type | AC signal compatible with 3300 XL series electronics |
| Sensitivity | 50 mV/mil (typical, refer to system configuration) |
| Target Gap | 0.010–0.030 inches (0.25–0.76 mm) recommended |
| Operating Temperature | -40°C to +120°C |
| Storage Temperature | -40°C to +150°C |
| Vibration Tolerance | 20 g (typical) |
| Electrical Interface | Coaxial or two-wire connection to proximitor electronics |
| Housing Material | Stainless steel or corrosion-resistant alloy |
| Mounting | Flanged or stud-mounted options available |
| Compliance | Industrial and machinery protection standards |
| Applications | Turbines, compressors, generators, pumps, high-speed rotating equipment |
🛠️ Application Areas
- Steam and gas turbines
- High-speed compressors and pumps
- Electric generators and motors
- Refinery and petrochemical rotating equipment
- Industrial fans and blowers
- Gearbox and high-speed shaft monitoring
By accurately tracking shaft movement, the 330780-90-05 proximitor sensor enables early detection of misalignment, imbalance, bearing wear, and other anomalies. Continuous monitoring allows maintenance teams to plan preventive interventions, improving reliability and minimizing unexpected downtime.
🏗️ Installation & Maintenance Highlights
- Ensure correct target gap and probe alignment for accurate readings
- Mount using flanges or stud mounts per system specifications
- Use shielded coaxial cables for signal integrity
- Verify signal output during commissioning and periodically during operation
- Follow hot-swap procedures if replacing or servicing sensors in active racks
- Keep probe and housing free from debris and mechanical obstructions
🔗 Additional Useful Links
- Industrial Automation Sensors: https://www.stardcsplc.com/
- Bently Nevada Monitoring Systems: https://www.stardcsplc.com/
📊 Recommended Similar Product Models
| Model | Description | Category | Link |
|---|---|---|---|
| 330780-90-01 | 3300 XL 5 mm Proximitor Sensor | Shaft Displacement Sensor | https://www.stardcsplc.com/ |
| 330780-90-07 | 3300 XL 14 mm Proximitor Sensor | Shaft Displacement Sensor | https://www.stardcsplc.com/ |
| 330783-92-00 | 3300 XL Probe Extension | Proximitor Accessories | https://www.stardcsplc.com/ |
| 3300/42M | Vibration Monitoring Module | Condition Monitoring | https://www.stardcsplc.com/ |
| 3300/22M | Transient Data Interface | Machinery Protection | https://www.stardcsplc.com/ |
This sensor provides reliable, high-resolution measurements critical for predictive maintenance and continuous machinery protection, ensuring operational safety and maximizing asset longevity.
