製品紹介
The Bently Nevada 3500/25 128075-01 Enhanced Keyphasor Module is a specialized module designed to provide accurate rotor position and speed measurements within the 3500 Machinery Monitoring System. It generates precise Keyphasor signals from proximity probes or speed pickups, enabling vibration analysis, phase reference, and machinery protection functions.
This enhanced Keyphasor module is engineered for high-resolution signal processing, ensuring that transient and steady-state rotor events are reliably captured and conveyed to the 3500 system. It integrates seamlessly with Bently Nevada 3500/25 series and other 3500 system modules, supporting predictive maintenance and real-time machinery diagnostics in industrial environments such as power generation, petrochemical, and heavy manufacturing.
The 128075-01 version introduces improved signal conditioning and advanced processing capabilities compared to standard Keyphasor modules, making it suitable for high-speed turbines, compressors, and generators where precise rotor phase information is critical.
Product Parameters
| Parameter | Specification |
|---|---|
| メーカー | Bently Nevada (GE Measurement & Control) |
| モデル Number | 3500/25 128075-01 |
| Product Type | Enhanced Keyphasor Module |
| Function | Provides rotor position and speed signals to 3500 system for vibration analysis and machinery protection |
| Input Channels | 2 independent proximity probe or speed pickup inputs |
| Output Signals | TTL-compatible Keyphasor pulse and phase reference |
| Signal Processing | Enhanced signal conditioning with noise rejection |
| Frequency Range | 0.5 Hz to 20 kHz |
| Phase Accuracy | ±0.5 degrees typical |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| EMI Protection | Shielded inputs and grounded chassis |
| Compliance | IEC, API, ISO standards for vibration and rotor monitoring |
| Dimensions | 119.9 x 24.4 x 256.5 mm |
| 重量 | 0.34 kg |
Product Applications
The 3500/25 128075-01 Enhanced Keyphasor Module is used in critical machinery monitoring and protection applications:
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Turbomachinery Monitoring – Generates accurate rotor speed and phase signals for gas and steam turbines.
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Compressors – Provides precise Keyphasor outputs for vibration and speed analysis.
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Generators – Supplies phase reference signals for vibration analysis and protection.
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Rotating Equipment Diagnostics – Enables detection / imbalance, misalignment, and torsional vibration.
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Predictive Maintenance – サポートs trend analysis and early fault detection through phase-referenced measurements.
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Safety Instrumented Systems (SIS) – Works with 3500 system to protect rotating machinery from over-speed and critical faults.
Product Advantages
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High Phase Accuracy – Ensures precise rotor phase measurements for advanced diagnostics.
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Enhanced Signal 状態ing – Reduces noise and improves reliability / Keyphasor outputs.
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Seamless Integration – Compatible with Bently Nevada 3500/25 and other 3500 system modules.
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サポートs Predictive Maintenance – Accurate rotor phase data enables early detection / machinery faults.
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Rugged Industrial Design – Reliable operation in harsh environments including high vibration and EMI.
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Compliance with Standards – Meets IEC, API, and ISO standards for machinery monitoring.
FAQ
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What is the primary function / the 3500/25 128075-01 module?
It provides precise rotor position and speed signals to the 3500 system for vibration analysis and protection. -
How many input channels are supported?
It supports 2 independent proximity probe or speed pickup inputs. -
What is the phase accuracy / the module?
Typical phase accuracy is ±0.5 degrees. -
Can it handle high-speed turbines?
Yes, it supports rotor speeds up to 20 kHz frequency range. -
Is it compatible with other 3500 system modules?
Yes, it integrates seamlessly with all 3500 series modules. -
Does it provide noise reduction for the signals?
Yes, the module has enhanced signal conditioning to reduce noise and EMI. -
Can the module support predictive maintenance?
Yes, phase-referenced Keyphasor signals help detect imbalance, misalignment, and torsional vibration. -
Are the output signals TTL-compatible?
Yes, it provides TTL-compatible Keyphasor pulse and phase reference outputs. -
Is grounding required for proper operation?
Yes, proper grounding / the module and cable shields is recommended to maintain signal integrity. -
Can it be used in critical machinery safety applications?
Yes, it works with 3500 system modules to provide protection for rotating equipment.
Recommended Related モデルs (Same Series)
| モデル Number | 説明 |
|---|---|
| 3500/25 128075-02 | Enhanced Keyphasor Module, alternate configuration |
| 3500/25 128074-01 | Standard Keyphasor Module |
| 3500/22 138607-01 | Transient Data Interface Module |
| 3500/22 149986-02 | Transient Data Interface Module |
| 3500/15 | Monitor/Protection Module |
| 3500/20 | Rack Interface Module |
Popular モデルs from Bently Nevada
| モデル Number | 説明 |
|---|---|
| 3500/44 | 8-Channel Vibration Monitor Module |
| 3500/05 | Proximity Probe Monitor Module |
| 3500/22 | Transient Data Interface Module |
| 3500/32 | Speed/Position Module |
| 3500/12 | Displacement Monitor Module |
| 3500/15 | Monitor/Protection Module |
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