Bently Nevada 3500/42M 138708-01 – 製品紹介
The Bently Nevada 3500/42M 138708-01 Shaft Absolute I/O Module is an advanced monitoring module used within the 3500 machinery protection system. It is designed to process and transmit shaft absolute vibration measurements by combining the readings / a proximitor and a casing velocity transducer. This allows for precise monitoring / the true shaft movement relative to the machine casing, making it highly effective for detecting rotor dynamic issues in critical machinery such as turbines, compressors, and large motors.
The 3500/42M 138708-01 is typically installed as part / a multi-channel rack configuration, integrating seamlessly with other Bently Nevada modules to form a complete machinery condition monitoring and protection system. Its robust design and compliance with API 670 standards make it suitable for harsh industrial environments where reliability and accuracy are paramount.
Technical Parameters
| Parameter | Specification |
|---|---|
| Module Type | Shaft Absolute I/O Module |
| Number / Channels | 4 (independent, fully programmable) |
| Input Types | Proximitor sensor and seismic (velocity) transducer |
| Measurement Range | ±200 μm (proximity), ±50 mm/s (velocity) |
| Accuracy | ±0.25% / full scale |
| Signal Processing | Digital with programmable filters |
| Output Options | 4–20 mA, relay, buffered output |
| Communication Protocol | Compatible with 3500 rack backplane |
| Power Consumption | < 7 W |
| Operating Temperature | –30°C to +65°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 0–95% non-condensing |
| Dimensions | 241.3 x 24.4 x 163.1 mm |
| 重量 | 0.46 kg |
| Mounting | 3500 rack slot |
| Compliance | API 670, CE, CSA, ATEX |
Product Applications
The 3500/42M 138708-01 is widely applied in industries where precise machinery vibration measurement is critical to avoid costly downtime and equipment damage. Typical applications include:
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Power Generation – Turbine rotor vibration monitoring in thermal and hydro plants.
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Oil & Gas – Compressors and pump vibration tracking in upstream and downstream facilities.
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Petrochemical – Monitoring / critical rotating equipment in refineries.
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Steel & Mining – Vibration protection / high-power electric motors and crushers.
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Marine & Offshore – Propulsion shaft and generator monitoring for marine engines.
Product Advantages
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High Accuracy & Reliability – Delivers precise shaft absolute vibration measurements with minimal error margin.
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Dual Sensor Integration – Combines proximity and seismic sensor data for true absolute movement analysis.
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Modular Compatibility – Fits seamlessly into the 3500 rack system, supporting system expansion and upgrades.
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API 670 Compliance – Meets global standards for machinery protection systems.
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Advanced Diagnostics – Offers programmable alarm settings and diagnostic tools for proactive maintenance.
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Durable Construction – Built to withstand harsh industrial environments, including high vibration and temperature extremes.
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Flexible Outputs – Provides multiple output formats including 4–20 mA, relay, and buffered signals for diverse control system integration.
FAQ – Bently Nevada 3500/42M 138708-01
Q1: What is the main function / the 3500/42M 138708-01?
A1: It measures shaft absolute vibration by combining proximity and seismic sensor signals, providing accurate real-time monitoring for rotating machinery.
Q2: Can this module operate in high-temperature environments?
A2: Yes, it can operate from –30°C to +65°C, making it suitable for most industrial sites.
Q3: How many channels does it support?
A3: It supports four independent channels, each fully programmable for specific measurement needs.
Q4: Does it meet industry protection standards?
A4: Yes, it is fully compliant with API 670, CE, CSA, and ATEX standards.
Q5: Is it compatible with older 3500 rack systems?
A5: Yes, it is backward-compatible with existing 3500 racks and can work alongside older modules.
Q6: What type / output signals are available?
A6: The module supports 4–20 mA, relay, and buffered outputs for flexible integration.
Q7: How is it installed in the rack?
A7: It slides into a designated slot in the 3500 rack and connects via the backplane.
Q8: Can it store historical vibration data?
A8: The module itself does not store data; it transmits it to the 3500 rack and connected monitoring systems.
Q9: Is maintenance required?
A9: Minimal maintenance is needed, typically limited to sensor calibration and system checks.
Q10: Can it be used in hazardous environments?
A10: Yes, with the proper certified installation, it can operate in hazardous locations per ATEX standards.
Related/Same-Series モデルs
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Bently Nevada 3500/42M 128240-01
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Bently Nevada 3500/42M 135489-02
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Bently Nevada 3500/42M 135489-03
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Bently Nevada 3500/42M 140482-01
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Bently Nevada 3500/42M 140734-02
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Bently Nevada 3500/42M 125800-01
Popular Same-ブランド モデルs
| モデル Number | 説明 | Channels | Dimensions (mm) | 重量 |
|---|---|---|---|---|
| 3500/22M | Transient Data Interface | N/A | 241.3 × 24.4 × 187.0 | 0.62 kg |
| 3500/25 | Keyphasor Module | 2 | 241.3 × 24.4 × 187.0 | 0.60 kg |
| 3500/32M | Relay Module | 4 relays | 241.3 × 24.4 × 187.0 | 0.64 kg |
| 3500/33 | Trend Card | 4 | 241.3 × 24.4 × 187.0 | 0.63 kg |
| 3500/40M | Proximitor Monitor | 4 | 241.3 × 24.4 × 187.0 | 0.65 kg |
| 3500/46M | Hydro Monitor | 4 | 241.3 × 24.4 × 187.0 | 0.67 kg |
会社情報
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