Description
Product Description
BENTLY 133916-01 is a precision vibration transducer interface module belonging to Bently Nevada’s 3500 Series condition monitoring system, engineered to condition and amplify signals from accelerometers and velocity sensors for rotating machinery vibration analysis. As a key link between field sensors and 3500 rack controllers, BENTLY 133916-01 features high-gain signal conditioning, low-noise amplification, and built-in signal filtering, ensuring accurate conversion of raw vibration data into actionable measurements (displacement, velocity, acceleration). Unlike generic transducer interfaces, BENTLY 133916-01 is factory-calibrated to match Bently’s accelerometers (e.g., 330500 series) and third-party IEPE sensors, eliminating signal drift and measurement errors [Product Link: Please supplement], where you can access the module’s sensor compatibility list and calibration certificates. In practical applications, BENTLY 133916-01 is deployed in turbine bearing vibration monitoring, compressor rotor imbalance detection, and pump seal wear analysis, working in tandem with 3500/40M modules to deliver real-time vibration insights. Additionally, BENTLY 133916-01 supports configurable excitation voltage for IEPE sensors, diagnostic alarms for sensor faults, and hot-swappable installation, making it a reliable component for harsh industrial environments.
Product Parameters
| Parameter Category | Specific Specifications |
|---|---|
| Module Type | 3500 Series vibration transducer interface module |
| Input Channels | 4 independent channels (per module) |
| Sensor Compatibility | IEPE accelerometers (2-10 VDC excitation), velocity sensors (0-5 V output) |
| Signal Conditioning | Gain: 1-100x (configurable), Low-pass filter: 0.1-1000 Hz (adjustable) |
| Measurement Range | 0-50 g (acceleration), 0-50 mm/s (velocity), 0-500 μm (displacement) |
| Output Signal | 4-20 mA (per channel), 0-10 V analog output, digital status signals |
| Excitation Voltage | 24 VDC ±5% (for IEPE sensors, configurable current limit: 0-20 mA) |
| Operating Temperature | -40°C ~ 70°C |
| Protection Grade | IP20 (rack installation) |
| Power Supply | 24 VDC (from 3500 rack power module, e.g., BENTLY 129486-01) |
| Compatibility | Bently 330500 accelerometers, 3500/25 Keyphasor modules, 3500/05 frame controller |
| Certification | UL 508, CE, ATEX, IECEx |
| Dimensions (L×W×H) | 147 mm × 102 mm × 38 mm |
| Weight | 0.5 kg |
Advantages and Features
- Multi-Channel Signal Conditioning: BENTLY 133916-01 offers 4 independent channels, reducing the number of modules required for multi-point vibration monitoring and lowering system costs.
- Sensor Flexibility: Supports both Bently proprietary IEPE accelerometers and third-party velocity sensors, with configurable excitation voltage and filtering to match diverse sensor types.
- Low-Noise Performance: Advanced signal amplification circuitry minimizes electrical noise, ensuring accurate vibration measurements even in high-electromagnetic-interference (EMI) environments (e.g., near motors or inverters).
- Sensor Fault Diagnostics: Built-in alarms for open circuits, short circuits, and low excitation voltage enable early detection of sensor or cable failures, preventing false vibration readings.
- Hot-Swappable Design: Compatible with 3500 rack hot-swapping, BENTLY 133916-01 can be replaced or calibrated without interrupting the entire monitoring system, maximizing equipment uptime.
- Hazardous Area Compliance: ATEX/IECEx certification allows installation in Zone 1 explosive environments, making it suitable for refineries, chemical plants, and offshore platforms.
Application Fields and Cases
Core Application Fields
- Power Industry: Turbine generator bearing vibration monitoring, boiler feed pump seal condition analysis
- Petroleum and Chemical Industry: Refinery hydrogen compressor rotor vibration detection, pipeline pump impeller imbalance monitoring
- Metallurgical Industry: Blast furnace blower motor vibration analysis, rolling mill work roll bearing wear detection
- Marine Engineering: Ship main engine vibration monitoring, offshore platform gas turbine transducer signal conditioning
Typical Application Case
In a petrochemical plant’s ethylene plant compressor monitoring project, the plant installed BENTLY 133916-01 modules to interface 16 Bently 330500 accelerometers with the 3500 Series rack. BENTLY 133916-01’s 4-channel design reduced the number of modules needed from 16 to 4, simplifying wiring and lowering installation costs. The module’s low-noise amplification ensured accurate detection of a 0.2 g increase in the compressor’s thrust bearing vibration—an early indicator of lubrication degradation. BENTLY 133916-01 also triggered a sensor fault alarm when a damaged cable caused an open circuit, alerting maintenance teams to replace the cable before it led to missing vibration data. The project demonstrated that BENTLY 133916-01 improved monitoring reliability while cutting hardware costs by 30% [Product Link: Please supplement] (see the project’s vibration trend data and cost analysis report).
Competitor Comparison (vs. Emerson CSI 2140 Transducer Interface Module)
| Comparison Dimension | BENTLY 133916-01 | Emerson CSI 2140 Transducer Interface Module |
|---|---|---|
| Number of Channels | 4 (per module) | 2 (per module) |
| Sensor Compatibility | IEPE accelerometers + velocity sensors | IEPE accelerometers only |
| Filter Adjustment | 0.1-1000 Hz (configurable) | Fixed at 1000 Hz |
| Hot-Swapping | Supported (3500 rack) | Not supported |
| Hazardous Area Certification | ATEX/IECEx Zone 1 | ATEX Zone 2 only |
| Noise Performance | <0.01 g RMS noise | <0.05 g RMS noise |
| Cost-Effectiveness | Mid-range (4-channel design reduces module count) | Mid-range (2-channel design requires more modules) |
Selection Suggestions
- Channel Count Needs: Choose BENTLY 133916-01 for multi-point vibration monitoring (4 channels/module) to minimize rack space and costs; opt for 2-channel modules only for small-scale deployments.
- Sensor Type Matching: Select BENTLY 133916-01 if using a mix of IEPE accelerometers and velocity sensors; single-type sensor deployments may use specialized modules.
- Environment Adaptation: Use ATEX-certified BENTLY 133916-01 in Zone 1 hazardous areas; standard versions suffice for non-explosive industrial environments.
- System Compatibility: Ensure compatibility with Bently 3500 rack controllers and existing sensors (confirm IEPE excitation voltage requirements).
- Spare Parts Planning: Reserve one BENTLY 133916-01 module per 10 monitoring channels to enable quick replacement in case of module failure.
Precautions
- Configure excitation voltage and filter settings for each channel to match the connected sensor (e.g., 24 VDC for Bently 330500 accelerometers) to avoid sensor damage or inaccurate readings.
- Use shielded twisted-pair cables for sensor connections to BENTLY 133916-01; ground the shield layer at the sensor end to minimize EMI interference.
- Calibrate the module annually using Bently’s certified calibration tools to maintain measurement accuracy and comply with industry standards (e.g., ISO 10816).
- Test sensor fault diagnostics after installation by simulating an open circuit (disconnect a sensor cable) to verify that alarms trigger correctly.
- Perform hot-swapping only when the 3500 rack’s redundant power supply (e.g., BENTLY 129486-01) is active; wear an anti-static wristband to prevent ESD damage to internal components.
- Store spare modules in anti-static packaging in a dry, temperature-controlled environment (-20°C ~ 50°C) to prevent moisture or extreme temperatures from damaging circuitry.
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