Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | Bently Nevada 3500/33 149992-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Category | Speed Monitoring Module |
| Input Channels | 2 independent |
| Speed Range | 1 to 99,999 RPM |
| Accuracy | ±1 RPM or 0.01% (whichever is greater) |
| Input Types | Magnetic pickup, proximity probe, optical encoder |
| Alarm Relays | 4 per channel (Danger, Alert, etc.) |
| Response Time | <100 ms for speed changes |
| Power Supply | 18-30V DC or 90-250V AC |
| Operating Temperature | -20°C to +65°C |
| Dimensions | 3U (133.4 mm) rack height |
| Certifications | ATEX, IECEx, SIL 2 |
BENTLY 3500/33 149992-01
Product Introduction
The Bently Nevada 3500/33 149992-01 is a high-performance speed monitoring module for the 3500 Machinery Protection System. This critical component provides reliable overspeed and underspeed protection for turbines, compressors, and other rotating equipment where precise speed monitoring is essential for safety and equipment protection.
Designed for mission-critical applications, the 3500/33 module offers dual-channel redundancy and meets SIL 2 safety requirements. Its flexible input configuration supports various speed sensors including magnetic pickups, proximity probes, and optical encoders, making it suitable for virtually any industrial rotating machinery application.
Core Advantages and Technical Highlights
Precision Speed Monitoring:
1 to 99,999 RPM range covers all industrial machinery
±1 RPM or 0.01% accuracy for precise speed control
<100 ms response time for rapid overspeed detection
Programmable overspeed/underspeed curves
Advanced Protection Features:
Dual-channel voting logic for fail-safe operation
4 configurable alarms per channel (Danger, Alert, etc.)
Built-in sensor diagnostics for fault detection
SIL 2 compliant safety architecture
Flexible Configuration:
Multiple sensor input types supported
Programmable filter settings for noisy environments
Scalable voting logic for redundancy requirements
Event capture buffer for transient analysis
Industrial Reliability:
-20°C to +65°C operating range
Vibration-resistant design
Hot-swappable in redundant configurations
Long-term calibration stability
Typical Application Scenarios
Power Generation:
Steam turbine overspeed protection
Gas turbine startup sequencing
Generator speed synchronization
Oil & Gas:
Compressor train speed monitoring
Pipeline pump overspeed protection
Offshore platform critical machinery
Industrial Plants:
Large motor speed verification
Process compressor protection
Critical fan speed monitoring
Marine Applications:
Main propulsion engine monitoring
Shipboard turbine overspeed protection
Auxiliary machinery speed control
BENTLY 3500/33 149992-01
Related Model Recommendations
Bently Nevada 3500/33M: Enhanced version with metering
Bently Nevada 3500/42M: Vibration monitoring module
Bently Nevada 3500/25: Proximity probe monitor
Bently Nevada 3500/22M: Transient data module
Bently Nevada 3500/15: Power supply module
Bently Nevada 3300 XL: Alternative monitoring system
Installation and Commissioning
Installation Preparation:
Verify proper rack space in 3500 chassis
Prepare sensor cables per specifications
Ensure proper grounding of system
Have configuration tools ready
Commissioning Steps:
Install module in designated slot
Configure sensor input parameters
Set speed alarm thresholds
Test voting logic (if used)
Verify response to speed changes
Document all settings
Maintenance Recommendations:
Annual calibration verification
Regular inspection of connections
Firmware updates during outages
Monitoring of diagnostic status
Spare module for critical applications
Service and Guarantee Commitment
Baker Hughes provides:
36-month warranty
Global technical support
On-site commissioning
Firmware updates
Repair services
The Bently Nevada 3500/33 149992-01 is backed by Baker Hughes’ Machine Health Center with 24/7 support. All modules include complete documentation and meet global safety standards for machinery protection applications.
