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Description
Product Overview
The Bently Nevada 3500/44M 140734-03/03B is a quad-channel vibration monitoring module integral to machinery protection systems in critical industrial applications. Part of Bently Nevada’s renowned 3500 series, this module provides continuous monitoring of vibration, speed, and position parameters for rotating equipment such as turbines, compressors, and pumps. The Bently Nevada 3500/44M 140734-03/03B delivers SIL 2-certified performance per IEC 61508, ensuring compliance with safety standards in power generation, oil & gas, and chemical processing plants. Its modular architecture supports dynamic signal processing, enabling real-time detection of mechanical faults like imbalance, misalignment, and bearing wear.
Engineered for reliability, the Bently Nevada 3500/44M 140734-03/03B integrates seamlessly with 3500 rack systems, offering redundant power options and hot-swappable components to minimize downtime. The module’s advanced algorithms process inputs from proximity probes, accelerometers, and tachometers, generating actionable data for predictive maintenance. With a ruggedized design tested for EMI/RFI immunity and extreme temperatures, the Bently Nevada 3500/44M 140734-03/03B ensures uninterrupted operation in harsh environments, from offshore platforms to gas turbine installations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | Bently Nevada 3500/44M 140734-03/03B |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | Quad-Channel Vibration Monitor |
| Input Channels | 4 independent (dynamic/static signals) |
| Sensor Compatibility | Eddy current probes, accelerometers, tachometers |
| Signal Processing | 12-bit ADC, 10 kHz sampling rate |
| Alarm Relays | 4 configurable (per channel) |
| Communication | Ethernet/IP, Modbus TCP, 3500/92M interface |
| Power Supply | 24 VDC ±10% (redundant capable) |
| Operating Temperature | -30°C to +70°C |
| Enclosure Rating | IP52 (rack-mounted) |
| Certifications | SIL 2, ATEX (optional) |
| Dimensions | 324 mm x 40 mm x 157 mm (rack module) |
| Weight | 1.8 kg |
140734-03
Key Functional Features
The Bently Nevada 3500/44M 140734-03/03B excels in high-fidelity machinery diagnostics. Each channel processes both dynamic (vibration) and static (position) signals, with programmable bandpass filters and notch filters to eliminate electrical noise. The module’s patented PeakVue™ technology detects early-stage bearing defects by capturing high-frequency stress waves, enabling maintenance teams to intervene before catastrophic failures.
Critical operational advantages:
- Phase Reference Tracking: Synchronizes vibration data with shaft speed via keyphasor inputs for accurate order analysis.
- Built-in Health Monitoring: Continuously checks sensor integrity, cable faults, and module temperature.
- Custom Alarm Logic: Configurable via 3500 Rack Configuration Software to trigger shutdowns or alerts based on velocity, displacement, or acceleration thresholds.
Application Scenarios
The Bently Nevada 3500/44M 140734-03/03B safeguards mission-critical assets across industries. In combined-cycle power plants, it monitors gas turbine blade pass frequencies and generator eccentricity. Offshore oil platforms deploy it to detect compressor surge and sub-synchronous vibrations in centrifugal pumps.
For hydroelectric facilities, the module tracks runner blade oscillations and draft tube pressure pulsations. Petrochemical plants rely on its ability to monitor reciprocating compressor rod drops and valve train integrity. The SIL 2 certification also makes it suitable for nuclear cooling pump monitoring, where safety-critical shutdowns must adhere to stringent regulatory standards.
Related Products
- Bently Nevada 3500/42M Proximitor Module: Provides power and conditioning for eddy current probes.
- Bently Nevada 3300 XL Proximity Transducer: Industry-standard vibration sensor for integration with 3500/44M.
- 3500/22M Transient Data Interface: Captures high-speed waveform data for advanced diagnostics.
- System 1® Software: Predictive analytics platform for centralized monitoring of 3500-series modules.
- Bently Nevada 3500/15 Power Supply Module: Redundant power source for rack systems.
Product Assurance
Bently Nevada guarantees the Bently Nevada 3500/44M 140734-03/03B with a 5-year warranty, backed by ISO 9001-certified manufacturing and a global service network. Each module undergoes vibration simulation, HALT (Highly Accelerated Life Testing), and signal accuracy verification. Customers receive 24/7 support via Bently Nevada’s Machinery Health™ Center, with field service engineers available for calibration and configuration. Compliance with API 670 and ISO 10816 ensures adherence to global machinery protection standards.
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