Product Overview: 3500/04 138257-01
The 3500/04 138257-01 is typically a vibration monitoring module or a related system component from Bently Nevada (now part of Baker Hughes), a leading provider of machinery condition monitoring and protection solutions. This specific part number identifies a card or module designed for the 3500 Machinery Protection System, a widely used rack-based system for continuous monitoring of critical parameters like vibration, displacement, speed, and temperature in industrial rotating equipment.
Its primary function is to acquire, condition, and process sensor signals (e.g., from proximity probes, accelerometers) and convert them into standardized data for system display, alarm trips, and communication to plant control systems. It serves as a fundamental building block for ensuring the reliability and safety of large machinery such as turbines, compressors, pumps, and fans.
Key Parameters & Specifications
| Parameter Category | Specification Details |
|---|---|
| System Platform | Bently Nevada 3500 Series Rack |
| Module Type | Monitoring Module (Specific function depends on exact variant, e.g., 4-Channel Vibration Monitor, Keyphasor® Module). |
| Physical Dimensions (Approx.) | Standard 3500 Series module size: ~ 318 mm (H) x 20.5 mm (W) x 194 mm (D) (Height includes front panel; actual PCB depth may vary). |
| Weight (Approx.) | 0.45 - 0.7 kg (1 - 1.5 lbs), depending on components. |
| Input Channels | Commonly 2 or 4 channels, accepting signals from Eddy Current displacement probes, velocity sensors, or accelerometers. |
| Power Requirement | Powered by the 3500 rack backplane. Typical: +5V DC, ±12V or ±15V DC. |
| Key Functions | Signal conditioning, gap voltage monitoring, buffered sensor output, dynamic/static signal processing, alarm comparison, OK/Not OK checking. |
| Communication | Integrated with the 3500 rack framework; communicates via the rack's internal data highway to display, relay, and communication modules. |
| Operating Temp. Range | -30°C to +65°C (-22°F to +149°F) typically. |
| Compliance & Standards | Designed for industrial use, typically meeting relevant ISO, API, and ATEX/IECEx standards for hazardous areas when installed in an approved enclosure. |
Primary Application Scenarios
This module is deployed in scenarios requiring high-reliability, continuous protection and monitoring of mission-critical industrial machinery to prevent catastrophic failures and enable predictive maintenance.
Power Generation:
Gas & Steam Turbines: Monitoring radial and axial vibration, eccentricity, and speed for both turbine and generator sections.
Large Pumps & Fans: Vibration monitoring of boiler feed pumps, induced draft fans, and cooling water pumps.
Oil & Gas Production & Refining:
Centrifugal & Reciprocating Compressors: Essential for monitoring shaft vibration, position (relative to bearings), and phase reference (Keyphasor) to detect imbalance, misalignment, and surge conditions.
Pipeline & Injection Pumps: Protecting high-power multi-stage pumps from bearing failures and shaft instabilities.
Petrochemical & Process Industries:
Critical Process Compressors and Turbines: Safeguarding machinery in ethylene, methanol, and ammonia plants where unplanned shutdowns are extremely costly.
Other Heavy Industries:
Marine Propulsion: Monitoring main propulsion turbines and gearboxes on ships.
Major Mining & Minerals Processing: Protecting large fans, blowers, and pelletizing drum motors.
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Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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