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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2)https://www.linkedin.com/in/z-csensorcenter/detail/recent-activity/shares/
With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly.
we are major in PLC,Sensors,HIM,Transmitters.
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9674-810 Bently Nevada Parts 2Ch Eddy Prb 4-20mA Modbus ATEX/IECEx Turb Comp OEM Images
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