1. Product Overview and Core Functionality
The Bently Nevada 9674-810 is a high-performance vibration monitoring transmitter designed for safeguarding critical rotating machinery in industrial automation. Part of the 9600 series, this loop-powered device converts raw vibration signals from accelerometers into a standardized 4-20 mA output, enabling seamless integration with control systems like PLCs, DCS, or Bently Nevada’s System 1™ software. It monitors vibration velocity (RMS) or acceleration to detect mechanical anomalies such as imbalance, misalignment, bearing wear, and resonance in turbines, pumps, and compressors. Constructed for harsh environments, the 9674-810 features a robust IP66/IP67-rated stainless steel housing, ensuring reliable operation in extreme temperatures (-40°C to 85°C), moisture, and corrosive conditions. Its loop-powered design simplifies installation in remote or hazardous locations while reducing cabling complexity.
2. Technical Specifications and Compliance
The 9674-810 operates within a frequency range of 10 Hz to 1 kHz, delivering ±1% measurement accuracy to comply with ISO 10816 vibration severity standards. It supports industrial accelerometers (e.g., 100 mV/g sensitivity) and offers configurable alarm thresholds for early fault detection. Certified for hazardous areas (ATEX/IECEx), it ensures safety in explosive atmospheres. Key features include self-diagnostics for sensor integrity checks, EMI-shielded circuitry, and a wide voltage input range (12–30 VDC) for flexible power supply compatibility. DIN rail mounting and hot-swappable components streamline maintenance, while compliance with API 670 standards guarantees reliability in critical machinery protection systems. Integration with System 1™ enables predictive analytics, trend visualization, and automated reporting for proactive maintenance.
3. Applications and Operational Benefits
Deployed in oil and gas, power generation, and heavy industries, the 9674-810 enhances operational reliability by identifying early-stage mechanical degradation in gearboxes, fans, and motors. Its real-time monitoring reduces unplanned downtime through timely alerts for abnormal vibration, enabling proactive repairs. The transmitter’s rugged design and low maintenance requirements lower lifecycle costs, while fail-safe alarms ensure rapid response to critical conditions in refineries, offshore platforms, or chemical plants. Compatibility with legacy systems and IoT-ready architectures supports digital transformation, facilitating seamless upgrades. Trusted globally, the 9674-810 exemplifies Bently Nevada’s expertise in delivering precision solutions that optimize safety, efficiency, and compliance with industrial standards
Attribute | Description |
---|---|
Product Model | 9674-810 |
Product Name | 9674-810 Vibration Monitor/Transmitter |
Type | Loop-Powered Vibration Transmitter (Velocity/Acceleration) |
Primary Function | Converts mechanical vibration signals into 4–20 mA outputs for machinery health monitoring |
Measurement Parameters | Vibration velocity (mm/s RMS) or acceleration (g peak) |
Frequency Range | 10 Hz to 1 kHz (velocity); 1 Hz to 10 kHz (acceleration) |
Measurement Range | Velocity: 0–20 mm/s RMS; Acceleration: 0–10 g peak |
Output Signal | 4–20 mA DC (loop-powered), linear to vibration magnitude |
Power Supply | 12–30 V DC (loop-powered) |
Operating Temperature | –40°C to +85°C (–40°F to +185°F) |
Environmental Rating | IP67/IP68 (dust/water-resistant) |
Certifications | ATEX, IECEx, CE, CSA (varies by configuration) |
Mounting | Threaded stud (M8 or 1/4-28 UNF) or magnetic base |
Housing Material | Stainless steel or ruggedized aluminum alloy |
Electrical Connection | Integral cable or M12 connector (optional) |
Typical Applications | Motors, pumps, fans, compressors, and rotating equipment in industrial plants |
Compatibility | Interfaces with PLCs, DCS, or Bently Nevada monitoring systems (e.g., 3500 Series) |
Key Features | - Loop-powered design - Configurable velocity/acceleration scaling - Self-diagnostics for fault detection - Hazardous area compliance |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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