
Product Description
Bently Nevada 3500/46M Hydro Monitor - Advanced Machinery Protection System
The Bently Nevada 3500/46M Hydro Monitor is a precision-engineered four-channel monitoring module designed for critical machinery protection in hydroelectric power plants, turbomachinery, and industrial process facilities. This advanced monitoring solution processes signals from proximity, seismic, dynamic pressure, and air gap sensors to deliver real-time vibration analysis, shaft positioning, and pressure diagnostics.
Technical Specifications
- Model: 3500/46M
- Channels: 4 independent monitoring channels
- Sensor Compatibility: Proximity, Seismic, Dynamic Pressure, Air Gap sensors
- Dimensions: 241.3 × 24.4 × 241.8 mm (9.50 × 0.96 × 9.52 in)
- Weight: 0.91 kg (2.0 lb)
- I/O Module Weight: 0.20 kg (0.44 lb)
- Communication: Integrated TX/RX for 3500 Rack communication
Key Features & Capabilities
Multi-Parameter Monitoring: Simultaneously tracks radial vibration, shaft absolute position, static pressure, and dynamic pressure with exceptional accuracy. The module's advanced signal conditioning ensures reliable data acquisition even in harsh industrial environments.
Intelligent Alarm Management: User-programmable alarm setpoints enable proactive machinery protection. The system compares conditioned signals against configurable thresholds, triggering alerts before critical failures occur.
Shear-Pin Failure Detection: Unique Hydro Radial Vibration channels combine shaft gap movement with NX amplitude measurements, providing early detection of shear-pin failures in hydro turbines—a critical safety feature for hydroelectric installations.
Diagnostic Indicators: Front panel LEDs provide instant status visibility: OK (normal operation), TX/RX (communication activity), and Bypass (maintenance mode).
Application Solutions
Hydroelectric Power Generation: Monitors turbine vibration, shaft eccentricity, and bearing conditions to maximize uptime and prevent catastrophic failures in hydro generators.
Rotating Equipment Protection: Safeguards pumps, compressors, turbines, and motors by detecting abnormal vibration patterns, misalignment, and bearing degradation before they escalate.
Dynamic Pressure Analysis: Enables advanced diagnostics for fluid machinery, identifying cavitation, surge, and flow instabilities in real-time.
Configuration Options
Part number format: 3500/46-AA-BB
I/O Module Types (AA):
- 01/02: Prox/Velom with Internal/External Terminations
- 03/04: Multimode Prox/Velom with Internal/External Terminations
- 05/06: Multimode Positive Input with Internal/External Terminations
Hazardous Area Approvals (BB):
- 00: Standard (non-hazardous)
- 01: cNRTLus (Class 1, Division 2)
- 02: ATEX/IECEx/CSA (Class 1, Zone 2)
Integration & Compatibility
Seamlessly integrates with Bently Nevada 3500 Series monitoring systems, providing scalable solutions from single-machine monitoring to plant-wide condition monitoring networks. Compatible with 3300 XL proximity probes, accelerometers, and pressure transducers.
Related Products
| Product | Description | Application | Link |
|---|---|---|---|
| Bently Nevada 3500/42E Vibration Monitor | 4-channel vibration monitoring with enhanced diagnostics | General machinery vibration analysis | View Product |
| Bently Nevada 3500/50 Tachometer Module | Dual-channel speed monitoring and keyphasor processing | Rotational speed measurement & phase reference | View Product |
| Bently Nevada 3500/60 Temperature Monitor | 6-channel RTD/TC temperature monitoring | Bearing & process temperature surveillance | View Product |
Why Choose Industrial Control Hub?
We specialize in mission-critical automation components for process industries, offering genuine Bently Nevada products with technical support, fast global shipping, and comprehensive integration assistance. Our team understands the demanding requirements of safety-instrumented systems and provides solutions that meet the highest reliability standards.
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