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177230-02-01-05 | Bently Nevada | Seismic Transmitter
Description
Technical Overview
The Bently Nevada 177230-02-01-05 Seismic Transmitter is a high-integrity, industrial-grade vibration monitoring solution engineered for continuous, real-time seismic and low-frequency vibration measurement in mission-critical rotating machinery applications. Manufactured by Baker Hughes (under the Bently Nevada brand), this transmitter delivers exceptional signal fidelity, environmental resilience, and long-term stability—making it a cornerstone component in modern predictive maintenance and condition-based monitoring (CBM) systems. Designed to comply with API RP 670 (4th Edition) and ISO 10816 standards, the 177230-02-01-05 interfaces seamlessly with Bently Nevada 3500/40 Series Monitoring Systems and other compatible 4–20 mA loop-powered control architectures. Its robust construction incorporates hermetically sealed electronics, wide-temperature operation, and electromagnetic interference (EMI) hardening to ensure reliable performance in harsh refinery, power generation, petrochemical, and offshore environments. The unit operates as a two-wire, loop-powered seismic sensor transmitter that converts raw accelerometer signals into standardized 4–20 mA analog outputs proportional to velocity (mm/s or in/s) or acceleration (g), configurable via front-panel DIP switches or remote software tools. Each unit undergoes rigorous factory calibration traceable to NIST standards and is delivered with full calibration documentation, including sensitivity, frequency response, and linearity verification reports. As a genuine OEM product, the 177230-02-01-05 guarantees full backward compatibility with legacy Bently Nevada infrastructure while supporting integration into IIoT-enabled digital twin frameworks through optional Modbus RTU or HART communication modules (sold separately).
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model Number | 177230-02-01-05 |
| Manufacturer | Baker Hughes (Bently Nevada) |
| Product Type | Seismic Vibration Transmitter (Velocity/Acceleration Output) |
| Condition | New, Factory-Sealed, Never Installed — Certified OEM Stock |
| Warranty | 24-Month Limited Manufacturer Warranty (covers defects in materials and workmanship under normal use) |
| Input Sensitivity | Configurable: 100 mV/g (acceleration) or 100 mV/(mm/s) (velocity) |
| Frequency Range | 0.5 Hz to 200 Hz (±5% amplitude tolerance); extended range up to 1 kHz available via configuration |
| Output Signal | 4–20 mA DC, two-wire, HART-enabled (optional), loop-powered (12–30 VDC) |
| Measurement Range (Default) | 0–10 mm/s RMS (velocity) or 0–5 g peak (acceleration), field-configurable |
| Accuracy | ±1% of full scale (FS) at 25°C; ±2% FS over full temperature range |
| Temperature Range (Operating) | −40°C to +85°C (−40°F to +185°F) |
| Environmental Rating | IP66 / NEMA 4X; resistant to oil, water, dust, and corrosive vapors |
| Electrical Isolation | 1500 VAC input-to-output; reinforced isolation per IEC 61000-4-5 |
| Dimensions (H × W × D) | 114 mm × 63 mm × 45 mm (4.5 in × 2.5 in × 1.8 in) |
| Weight | 320 g (0.71 lb) |
| Country of Origin | United States of America |
| Certifications | ATEX II 2G Ex ia IIC T4 Ga, IECEx ia IIC T4 Ga, UL/cUL Class I Div 1 Groups A–D, CSA C22.2 No. 213 |
| Mounting | Standard 1/4″-28 UNF threaded base with integrated O-ring seal; optional magnetic or stud-mount adapters |
Key Features
- OEM-Authentic Performance: Genuine Bently Nevada design and manufacturing ensures precise signal conditioning, zero-drift stability, and guaranteed interoperability with 3500/40 series monitors and System 1™ software.
- Configurable Dual-Mode Output: Supports both velocity (mm/s RMS) and acceleration (g peak) output modes via hardware DIP switches—no firmware updates required.
- Extended Low-Frequency Response: Optimized for seismic and subsynchronous vibration detection down to 0.5 Hz—critical for detecting foundation resonance, gear mesh issues, and slow-roll instability.
- Hazardous Area Compliance: Certified for use in Zone 0/1 (ATEX/IECEx) and Class I Div 1 (UL/CSA) environments without external barriers.
- Advanced EMI Immunity: Meets IEC 61000-4-3 (10 V/m radiated) and IEC 61000-4-6 (10 V conducted) standards—ensuring integrity in electrically noisy turbine halls and compressor stations.
- Self-Diagnostics & Health Monitoring: Built-in sensor health checks (open/short circuit, bias voltage, thermal derating) reported via 4–20 mA live-zero diagnostics or HART variables.
- NIST-Traceable Calibration: Supplied with individual calibration certificate documenting sensitivity, phase response, and linearity across the operational bandwidth.
- Modular Mechanical Design: Interchangeable mounting interface supports rapid field replacement and retrofitting onto legacy skids, frames, or structural steel.
Applications
- Gas & Steam Turbines: Monitoring bearing housing vibration for early detection of imbalance, misalignment, and blade fatigue—especially during startup/shutdown transients.
- Centrifugal Compressors: Detecting subsynchronous whirl, oil whip, and foundation looseness in high-pressure process gas compression trains.
- Large Electric Motors (≥500 HP): Identifying stator winding faults, rotor bar defects, and mechanical resonance through low-frequency seismic analysis.
- Reciprocating Machinery: Capturing frame vibration signatures from large-diameter compressors and pumps to assess structural integrity and mounting bolt tension.
- Power Generation Generators: Enabling shaft orbit reconstruction and synchronous/asynchronous vibration separation in synchronous condensers and hydro units.
- Offshore Platform Structures: Monitoring structural response to wave loading, wind-induced oscillations, and seismic activity in FPSO and fixed-platform environments.
- Refinery Critical Pumps: Providing continuous velocity-based alerts aligned with API RP 670 alarm tiers for API-610 compliant services.
- IIoT-Enabled Predictive Maintenance Programs: Serving as edge-sensing nodes feeding time-synchronized waveform data into cloud analytics platforms for machine learning–driven failure prediction.
Additional information
| Weight | 0.3 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 8.2 x 12.2 x 6cm |
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