Here’s the datasheet-style introduction for BENTLY 125800-01, crafted in English with structured formatting, icons, and professional tone.
📘 BENTLY 125800-01 Vibration Monitoring Module
🔎 Product Overview
The BENTLY 125800-01 module is designed as a high-performance vibration monitoring and protection unit for critical rotating machinery. It belongs to the trusted Bently Nevada series, widely applied in power plants, oil & gas facilities, petrochemical industries, and other heavy-duty environments where machine health monitoring is vital. With advanced diagnostic functions, it provides real-time measurements, alarm processing, and data transmission for predictive maintenance systems.
This module integrates seamlessly into Bently Nevada’s monitoring architecture, ensuring compatibility, reliability, and long-term stability. By delivering accurate vibration signals, it assists operators in identifying mechanical faults such as imbalance, misalignment, bearing wear, and gear issues at an early stage.

⚙️ Technical Parameters
| Parameter | Specification |
|---|---|
| Part Number | 125800-01 |
| Manufacturer | Bently Nevada |
| Product Type | Vibration Monitoring Module |
| Input Channels | 4 (Dynamic signal inputs) |
| Measurement Range | Configurable, typically ±20 Vpk |
| Frequency Response | 0.5 Hz – 20 kHz |
| Signal Conditioning | Programmable filters (high-pass & low-pass) |
| Power Supply | 24 VDC nominal |
| Interface | BNC connectors / System backplane |
| Alarm Levels | Dual configurable thresholds per channel |
| Operating Temperature | -20°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Dimensions | 241 mm × 25 mm × 150 mm (H×W×D) |
| Weight | Approx. 0.6 kg |
| Compliance | CE, RoHS, ISO certified |
🛠️ Features & Functions
- High-precision monitoring: Detects minute changes in vibration amplitude and frequency.
- Multiple channel inputs: Supports simultaneous monitoring of several machine components.
- Programmable alarms: Dual-threshold alarm levels allow flexibility in maintenance strategies.
- Signal conditioning: Built-in filters for noise reduction and accurate analysis.
- Rugged design: Suitable for harsh industrial environments.
- Seamless integration: Works within existing Bently Nevada 3500 series monitoring systems.
- Enhanced safety: Provides critical protection to rotating machinery, reducing downtime.
🏭 Installation & Maintenance
- Mounting: Insert into a compatible Bently Nevada rack slot; ensure proper alignment with backplane connectors.
- Wiring: Connect vibration probes or transducers via BNC connectors or terminal blocks.
- Calibration: Perform initial calibration to match sensor specifications.
- Periodic Checks: Verify alarm thresholds, review event logs, and clean connectors to avoid dust interference.
- Replacement: Modules can be hot-swapped when used in redundant configurations, minimizing downtime.
📦 Typical Applications
- Gas turbines
- Steam turbines
- Compressors
- Pumps
- Generators
- Motors
This module ensures machinery operates efficiently and safely, preventing unplanned outages and extending equipment lifespan.
🔗 Useful Links
- Explore more at Star DCS PLC
- Discover additional automation parts on Star DCS PLC Official Store
📑 Recommended Similar Products
| Model | Description | Manufacturer | Category |
|---|---|---|---|
| BENTLY 125840-01 | Proximitor/Seismic Monitor Module | Bently Nevada | Vibration Monitoring |
| BENTLY 3500/42M | Proximitor Monitor, 4-Channel | Bently Nevada | Machine Protection |
| BENTLY 330180-91-05 | Proximity Probe 8mm Tip | Bently Nevada | Sensor |
| BENTLY 330104-00-04-10-02-05 | Proximity Probe 5mm Tip | Bently Nevada | Sensor |
| BENTLY 3500/22M | Transient Data Interface | Bently Nevada | System Interface |
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