البريد الإلكتروني: spareoil.com@industriaxplc.com
Description
The Bently Nevada 3300/40 Eccentricity Monitor is a specialized rack-mounted module engineered to measure shaft eccentricity in large-scale rotating machinery, including steam turbines and centrifugal compressors. By monitoring shaft displacement during slow-roll operation, this module detects rotor bow and potential misalignment issues before they escalate into mechanical failure. It integrates seamlessly into the 3300 Monitoring System, providing real-time data for predictive maintenance and operational safety.
Features
- Designed for continuous monitoring of peak-to-peak eccentricity.
- Accepts inputs from standard proximity probe systems via Proximitor sensors.
- Provides dedicated Alert and Danger alarm setpoints for automated machine protection.
- Includes front-panel LED indicators for system status, including OK, Bypass, Alert, and Danger conditions.
- Configurable sensitivity settings to accommodate various probe types.
Ordering Information
| Model | 3300/40-12-01-01-00-00 |
| Measurement | Eccentricity (Slow-roll/Shaft bow) |
| Agency Approval | Standard |
| Transducer Input | Proximity Probe/Proximitor |
| Relay Output | Standard |
| Barrier Option | Standard |
| Range | Default |
Technical Specifications
| Operating Temperature | 0 to 60 degC |
| Power Consumption | 1.5 W (typical) |
| Sensitivity | User-programmable (200 mV/mil or 100 mV/mil) |
| Signal Accuracy | ±0.33% typical (±1% max at 25 degC) |
| Analog Outputs | +4 to +20 mA, +1 to +5 VDC, 0 to -10 VDC |
Installation Guidelines
- Ensure the 3300 rack is powered down before inserting or removing the module to prevent electrical damage.
- The module must be seated firmly in the rack slot to ensure proper backplane connection.
- Use shielded cabling for all transducer inputs to minimize electromagnetic interference (EMI).
- Maintain adequate ventilation around the 3300 rack to keep ambient temperatures within the 0 to 60 degC specification.
- Verify that all proximity probe wiring is routed away from high-voltage power lines.
FAQ
What is the primary function of the 3300/40 module?
The 3300/40 is designed to monitor shaft eccentricity, which is the displacement of the shaft centerline during slow-roll conditions. It is critical for identifying shaft bow or thermal distortion in large rotating equipment.
Does this module require external power?
The module receives its operating power through the 3300 rack backplane; it typically consumes approximately 1.5 Watts during normal operation.
Can the sensitivity be changed?
Yes, the module features user-programmable sensitivity settings, typically supporting 200 mV/mil or 100 mV/mil configurations to match the installed proximity probe hardware.
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روبرت هوفمان
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لوكاس مولر
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مرشد
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