Products Description
The Bently Nevada 3500/44M 176449-03 is a four-channel vibration monitor tailored for aeroderivative gas turbines in the 3500 machinery protection system.
It receives signals from Velomitors and accelerometers, and supports configurable filtering, 1X vibration tracking and signal processing. Equipped with dual Keyphasor inputs, it delivers accurate vibration measurement.
The module features eight groups of switchable alarm settings for different turbine operating modes. Automatic alarm profile switching simplifies on-site operation. It offers reliable vibration protection for aeroderivative gas turbines in power, oil & gas and industrial facilities.
Key Features
Competitive advantage
Turbine-Specific Vibration Monitoring
Professionally designed for aeroderivative gas turbines to deliver continuous, stable vibration protection for critical units.
01
Four-Channel Independent Monitoring
Dual-group channel design supports multi-point vibration measurement with dual Keyphasor inputs for higher analysis accuracy.
02
Powerful Configurable Signal Processing
Supports 1X tracking, band-pass filtering and signal integration to adapt to various turbine operating conditions.
03
Flexible Multi-Mode Alarm Protection
Provides 8 sets of switchable alarm parameters with adjustable thresholds and delays for full-condition equipment protection.
04
High-Reliability System Compatibility
Seamlessly integrates with the 3500 system and supports TMR redundancy, meeting API 670 standards for industrial safety.
05
Technical Specifications
Model: 3500/44M 176449‑03
Brand: Bently Nevada
Type: 4‑Channel Aeroderivative GT Vibration Monitor, for 3500 machinery protection system
Channels: 4 channels (2 pairs); 2 Keyphasor® inputs
Sensor Support: Velomitor®, accelerometer, proximity probe (Aero GT I/O modules required)
Signal Functions: Integration, 1X tracking, band‑pass filtering
Alarm: Alert / Danger levels, programmable delay; max 8 multi‑mode alarm groups per channel
Power: 24 VDC backplane supply, 7.7 W; TMR redundancy‑capable
Mount: Standard 3500 rack slot
Temperature: ‑30°C ~ +70°C
Size & Weight: 241.3 × 24.4 × 241.8 mm, ~0.8 kg
Certificates: API 670, SIL 2, CE
Status: Active industrial spare part
Contact Us
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Application Areas
Core Application Areas
Tailored vibration monitoring for critical rotating equipment
Aeroderivative Gas Turbine Monitoring
Dedicated for real-time vibration protection and condition monitoring of high-speed aeroderivative gas turbines.
Oil & Gas Industrial Sites
Protects turbine-driven equipment on offshore platforms, refineries and compressor stations.
Power Generation Facilities
Monitors turbines and generators in power plants to enhance stability and avoid unexpected shutdowns.
Petrochemical & Process Industries
Supports predictive maintenance for compressors and rotating machinery to ensure continuous production safety.
About PLC Export
Why choose us?
PLC Export supplies worldwide industrial automation equipment and spare parts. We stock PLC, HMI, drive and module parts for modern and legacy systems. Every item is fully inspected before delivery. Relying on global sourcing and efficient logistics, we help clients lower maintenance expenses and sustain stable production.
FAQ
Q: What is the Bently Nevada 3500/44M 176449-03 Aeroderivative GT Vibration Monitor used for?
A: The 3500/44M 176449-03 is a four-channel vibration monitoring module designed specifically for aeroderivative gas turbines. It continuously monitors vibration levels, compares measurements with configurable alarm limits, and helps protect critical rotating machinery by detecting abnormal operating conditions at an early stage.
Q: What types of sensors are compatible with the 3500/44M 176449-03?
A: The monitor supports Velomitor® sensors, accelerometers, and eddy current proximity probes through compatible Aero GT and Prox/Velom I/O modules. This flexibility allows users to configure the monitoring system according to different turbine vibration measurement requirements.
Q: What vibration processing functions does the 3500/44M provide?
A: Using the 3500 Rack Configuration Software, the monitor supports multiple signal processing options, including Signal Integration, 1X Vibration Tracking, and Band-Pass Vibration Filtering. These functions improve vibration analysis accuracy for different machine operating conditions and diagnostic applications.
Q: How does the multi-mode alarm feature improve machinery protection?
A: The 3500/44M supports up to eight configurable alarm parameter sets per channel, including Alert and Danger setpoints with programmable alarm delays. The monitor can automatically switch between alarm profiles based on machine operating modes using multimode I/O contacts or communication commands, ensuring optimal protection throughout the turbine's operating cycle.
Q: Can the 3500/44M 176449-03 be integrated into existing Bently Nevada 3500 systems?
A: Yes. The 3500/44M 176449-03 is fully compatible with the Bently Nevada 3500 Machinery Protection System and installs directly into a standard 3500 rack. It integrates seamlessly with other 3500 monitoring modules, communication gateways, and control systems, making it suitable for expanding or upgrading existing machinery protection installations.
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