Description
Technical Specifications Table
| Parameter | Specification |
| Model Number | Bently Nevada 990-04-50-01-00 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | Vibration Monitoring System |
| Input Channels | 4 vibration monitoring channels |
| Measurement Range | 0-20 mm/s RMS velocity or 0-200 μm peak displacement |
| Frequency Range | 10 Hz to 1 kHz |
| Output Signals | 4-20 mA, relay contacts, RS-485 Modbus |
| Power Supply | 90-264 VAC, 50/60 Hz or 24 VDC |
| Operating Temperature | -20°C to +70°C |
| Enclosure Rating | IP66 (NEMA 4X) |
| Certifications | ATEX, IECEx (for hazardous areas) |
| Dimensions | 250 x 180 x 90 mm (W x H x D) |
BENTLY 990-04-50-01-00
Product Overview
The Bently Nevada 990-04-50-01-00 represents a sophisticated vibration monitoring system designed for continuous condition monitoring of critical rotating machinery. This comprehensive solution provides reliable, real-time vibration measurement and analysis for predictive maintenance programs in demanding industrial environments.
As part of Bently Nevada’s renowned machinery protection portfolio, the 990-04-50-01-00 system combines robust hardware with advanced diagnostic capabilities. The unit’s four independent monitoring channels allow simultaneous tracking of multiple machine points, while its rugged construction ensures dependable operation in harsh plant conditions.
Key Features and Benefits
Advanced Monitoring Capabilities:
Simultaneous measurement of velocity and displacement
Programmable alarm thresholds with adjustable delay timers
Built-in dynamic signal processing for accurate fault detection
Trend recording and event capture functionality
Robust System Design:
Heavy-duty industrial enclosure rated IP66/NEMA 4X
Wide operating temperature range (-20°C to +70°C)
Dual power supply options (AC/DC) for installation flexibility
Electrically isolated inputs for noise immunity
Integration Flexibility:
Multiple output options (4-20mA, relays, Modbus)
Compatible with Bently Nevada System 1® software
Supports integration with DCS and PLC systems
Field-configurable for various sensor types (velocity, acceleration)
Industrial Applications
The Bently Nevada 990-04-50-01-00 is ideally suited for:
Power Generation: Continuous monitoring of turbines, generators and large motors
Oil & Gas: Compressor and pump monitoring in upstream and downstream operations
Petrochemical: Critical equipment protection in refineries and chemical plants
Heavy Industry: Vibration monitoring of large rotating assets in mining and metals
The system’s advanced diagnostic capabilities enable early detection of:
Imbalance
Misalignment
Bearing defects
Mechanical looseness
Other common machinery faults
BENTLY 990-04-50-01-00
Compatible and Related Products
Bently Nevada 990-04-50-02-00: 8-channel version with expanded monitoring capacity
Bently Nevada 3300 XL: Proximity transducer system for displacement measurement
Bently Nevada 3500/42: Rack-mounted vibration monitor for large systems
Bently Nevada 1900/65: High-temperature accelerometer for extreme environments
Bently Nevada System 1®: Advanced condition monitoring software platform
Installation and Maintenance Guidelines
Installation Requirements:
Mount in accessible location with adequate ventilation
Ensure proper grounding of all system components
Use shielded cables for all sensor connections
Maintain minimum clearance around unit for heat dissipation
Commissioning Procedure:
Verify all sensor connections and power supply
Configure measurement parameters via front panel or software
Set appropriate alarm thresholds based on machine specifications
Verify signal quality and system response
Maintenance Recommendations:
Monthly visual inspection of unit and connections
Quarterly verification of sensor calibration
Annual comprehensive system check
Regular backup of configuration settings
Warranty and Support
Bently Nevada provides:
24-month standard warranty
Global technical support network
24/7 emergency service options
Comprehensive documentation and training programs
Software updates and firmware upgrades
The 990-04-50-01-00 system is backed by Bently Nevada’s extensive experience in machinery protection and condition monitoring, ensuring reliable performance throughout its service life.
This technical product description provides a complete overview of the Bently Nevada 990-04-50-01-00 vibration monitoring system, highlighting its technical specifications, features, applications, and support services while maintaining a professional, marketing-appropriate tone. The information is structured for easy reference and optimized for industrial automation professionals seeking detailed product information.
