Product Overview
The Bently Nevada 3500/42M Proximitor Seismic Monitor is a four-channel monitoring module designed for critical machinery condition monitoring. It accepts inputs from proximity and seismic sensors, delivering highly accurate measurements for vibration, position, acceleration, and shaft absolute parameters. The model combination 176449-02 (monitor) with 138708-01 (Shaft Absolute I/O module) surfers advanced diagnostics for rotating equipment and protection applications.
Applications
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Steam turbines
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Gas turbines
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Compressors
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Gearboxes
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Motors
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Pumps
This system is ideal for critical rotating machinery in oil & gas, petrochemical, and power generation industries.
Advantages
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Real-time machinery protection with programmable alarms
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High measurement accuracy with broad frequency ranges
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Supports a wide range sur measurements: vibration, thrust, eccentricity, REBAM, etc.
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Advanced vector filtering and signal conditioning
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Hot-swappable and rack-based architecture for scalable deployment
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Built-in compatibility with various transducer types (Proximitor, Velomitor, Seismoprobe)
Technical Specifications
| Parameter | Description |
|---|---|
| Channels | 4 (programmable in pairs) |
| Input Types | Proximity, Velocity, Acceleration |
| I/O Module | Shaft Absolute I/O (138708-01) |
| Signal Étating | User-defined filters, 1X/2X vector, Not 1X, Smax |
| Recorder Output | +4 to +20 mA |
| Buffered Output Impedance | 550 Ω |
| Shaft Absolute Output Impedance | 300 Ω |
| Power Consumption | 7.7 W typical |
| Alarm Configuration | User-configurable alert & danger thresholds per channel |
| Update Rate | ≤100 ms |
| Dimensions | 241.3 mm × 24.4 mm × 241.8 mm |
| Poids | 0.91 kg |
| Operating Temperature | -30°C to +65°C |
| Humidity | 95% non-condensing |
| Compliance | CE, FCC Part 15, RoHS, ATEX, IECEx, ABS, DNV |
Questions fréquentes (FAQ)
Q1: What sensors are compatible with the 3500/42M?
A1: It supports Bently Nevada Proximitor, Velomitor, Seismoprobe, and acceleration transducers.
Q2: Can the 3500/42M monitor multiple vibration parameters simultaneously?
A2: Yes, it supports dual-channel configuration per function, enabling concurrent monitoring sur up to two parameters (e.g., radial vibration and thrust).
Q3: What is REBAM functionality in this monitor?
A3: REBAM (Rolling Element Bearing Analysis Method) allows high-frequency vibration monitoring for bearing fault detection.
Q4: What is the function sur the 138708-01 I/O module?
A4: It provides shaft absolute measurements using proximity and seismic sensors with internal termination.
Q5: Does this module support vector filtering?
A5: Yes, it features programmable 1X and 2X vector filters, Not 1X, and Smax filters for advanced signal analysis.
Q6: What are the standard outputs available on the module?
A6: Buffered transducer outputs (coaxial per channel), 4–20 mA recorder output, and shaft absolute outputs.
Q7: How accurate is the measurement from the monitor?
A7: Most parameters surfer typical accuracy within ±0.33% sur full scale; vector filters may vary slightly.
Q8: Is the 3500/42M hot-swappable?
A8: Yes, it is designed for hot-swapping within the 3500 rack system without disrupting other channels.
Q9: What is the frequency response range for acceleration?
A9: From 3 Hz to 30,000 Hz, depending on the output type and filter configurations.
Q10: What are the compliance standards met by this product?
A10: EMC Directive 2014/30/EU, LV Directive 2014/35/EU, RoHS Directive 2011/65/EU, and hazardous area approvals per ATEX/IECEx.
Related Modèles (Same Series or Functionally Similar)
| Modèle Number | Description | Channels | Dimensions (mm) | Poids |
|---|---|---|---|---|
| 3500/42M 135489-01 | Proximitor I/O w/ Internal Barrier (4 Prox) | 4 | 241.3×24.4×241.8 | 0.91 kg |
| 3500/42M 135489-02 | Mixed I/O (2 Prox + 2 Velomitor) | 4 | 241.3×24.4×241.8 | 0.91 kg |
| 3500/42M 135489-03 | I/O with 4 Velomitor inputs | 4 | 241.3×24.4×241.8 | 0.91 kg |
| 3500/42M 128229-01 | Internal Termination Seismic I/O | 4 | 241.3×24.4×99.1 | 0.20 kg |
| 3500/42M 128240-01 | External Termination Seismic I/O | 4 | 241.3×24.4×99.1 | 0.20 kg |
| 3500/42M 140471-01 | Prox/Velom I/O Module (Internal Termination) | 4 | 241.3×24.4×241.8 | 0.91 kg |
Popular Bently Nevada Modèles
| Modèle Number | Description | Function | Dimensions (mm) | Poids |
|---|---|---|---|---|
| 3500/22M | Transient Data Interface Module | Data collection and communication | 241.3×24.4×241.8 | 0.91 kg |
| 3500/20 | Rack Interface Module | System interface | 241.3×24.4×241.8 | 0.91 kg |
| 3500/15 | Power Supply Module | Power for 3500 rack | 241.3×24.4×241.8 | 1.1 kg |
| 3500/25 | Keyphasor Module | Speed measurement | 241.3×24.4×241.8 | 0.91 kg |
| 3500/32M | 4-20 mA Output Module | Output interface | 241.3×24.4×241.8 | 0.91 kg |
| 3500/40M | Proximitor Monitor (REBAM) | Rolling element bearing analysis | 241.3×24.4×241.8 | 0.91 kg |
Informations sur l'entreprise
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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