🎯 BENTLY NEVADA 3300/55 PWA83641-01AC Dual Velocity Monitor
The Bently Nevada 3300/55 Dual Velocity Monitor is a high-precision industrial module engineered for continuous monitoring of rotating machinery vibration. Specifically designed to measure velocity signals from two independent channels, this monitor is ideal for turbines, compressors, pumps, and motors in critical applications where early detection of imbalance, misalignment, or bearing wear is essential. Its robust design, low-noise signal processing, and modular compatibility with the Bently Nevada 3300 system make it a reliable solution for machinery protection and condition monitoring.
The 3300/55 monitor features dual independent velocity channels with configurable alarm thresholds for both warning and danger levels. The module provides proportional DC outputs, filtered signals, and diagnostic feedback to the rack system, ensuring accurate, repeatable measurements under harsh industrial conditions. Designed for minimal drift and high-temperature tolerance, the 3300/55 supports long-term monitoring while maintaining signal integrity.
Explore more related industrial monitoring modules here:
🔗 https://www.stardcsplc.com/
🔗 https://www.stardcsplc.com/
📊 Datasheet / Technical Specifications
🔵 Electrical Specifications
| Parameter | Description |
|---|---|
| Power Supply | From 3300 system rack, 24 VDC typical |
| Input Types | Velocity transducers (seismic or piezoelectric) |
| Input Range | 0.1–50 mm/s RMS (typical, depending on sensor) |
| Input Impedance | Optimized for low-noise velocity sensors |
| Output Signal | ±10 VDC proportional for each channel |
| Dynamic Range | Full-scale output over rated input range |
| Frequency Response | 10 Hz – 1 kHz (adjustable via internal filters) |
| Overall Accuracy | ±1% typical under rated conditions |
| Alarm Function | Independent warning and danger thresholds per channel |
🔵 Mechanical & Environmental
| Parameter | Description |
|---|---|
| Form Factor | Standard 3300 module card for rack installation |
| Operating Temperature | –30 °C to +85 °C |
| Humidity | 95% non-condensing |
| Shock / Vibration | Suitable for high-vibration rotating machinery environments |
| Mounting Method | Slide-in into 3300 rack with retention screws |
🔵 Functional Features
| Feature | Description |
|---|---|
| Dual Channel Monitoring | Independent velocity measurement on two channels |
| Signal Filtering | Configurable low-pass/high-pass filters for precise measurement |
| Buffered Output | Provides non-interfering access to velocity signals for analysis |
| Real-time Diagnostics | Monitors module health and signal integrity |
| Threshold Alarms | Warning and danger alarms per channel for early fault detection |
| Integration | Fully compatible with 3300 monitoring and protection system |
🛠️ Application Areas
The 3300/55 Dual Velocity Monitor is widely applied in:
- Steam and gas turbines
- Compressors and centrifugal pumps
- Industrial motors and gearboxes
- Generators in power plants
- Refining and petrochemical facilities
Its dual-channel monitoring capability allows for simultaneous observation of two critical axes or bearings, ensuring comprehensive machinery protection and maintenance planning.
⚙️ Installation & Integration
- Insert the module into a compatible 3300 rack slot.
- Connect velocity transducer inputs per channel to the module terminals.
- Verify proportional output wiring to monitoring or control systems.
- Observe LED indicators for proper module status.
- Maintain proper rack grounding and shielding to minimize electrical interference.
Recommended best practices include routine calibration checks, filter verification, and documenting alarm thresholds for consistent long-term monitoring.
📦 Key Advantages
- 🟢 Dual independent channels for comprehensive velocity monitoring
- ⚡ Low-noise, high-stability signal processing
- 🔄 Configurable alarm thresholds for early fault detection
- 🌡️ Wide operating temperature and vibration tolerance
- 🧩 Modular, rack-compatible design for easy maintenance
📑 Recommended Similar Models
| Model | Description | Type | Link |
|---|---|---|---|
| Bently Nevada 3300/45 PWA83640-01AC | Single velocity channel monitor | Velocity | https://www.stardcsplc.com/ |
| Bently Nevada 3300/50 PWA83639-01AC | Dual displacement monitor | Displacement | https://www.stardcsplc.com/ |
| Bently Nevada 3300/30-00-05 | Acceleration monitoring module | Acceleration | https://www.stardcsplc.com/ |
| Bently Nevada 3500/20M | Multi-channel velocity monitor | Velocity | https://www.stardcsplc.com/ |
| Bently Nevada 3300/55-00-01 | Replacement dual velocity monitor | Velocity | https://www.stardcsplc.com/ |
The 3300/55 Dual Velocity Monitor ensures precise machinery protection and reliable performance, providing critical insights for predictive maintenance and operational safety in industrial environments.
