Xiamen ZhiCheng Automation Technology Co., Ltd
"Precision Engineered, Globally Trusted – Innovating Automation Control & Modular Excellence."
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1. Product Overview: Bently Nevada 1900/65A Proximity Transducer System
The Bently Nevada 1900/65A is a high-precision proximity transducer system designed for continuous monitoring of radial vibration, axial displacement, and shaft speed in rotating machinery. This system comprises an eddy current probe, extension cable, and preamplifier, engineered to deliver reliable performance in extreme industrial environments. The probe, constructed with corrosion-resistant stainless steel, operates in temperatures ranging from -40°C to +150°C and is rated IP67 for protection against dust and moisture. Utilizing non-contact eddy current technology, it detects minute changes in shaft position and vibration, providing critical data to prevent equipment failures in turbines, compressors, pumps, and motors. Ideal for oil and gas, power generation, and heavy manufacturing, the 1900/65A ensures operational safety and efficiency through real-time diagnostics.
2. Key Technical Specifications
3. Industrial Applications and Use Cases
The 1900/65A is critical for monitoring shaft dynamics in gas turbines, steam turbines, and centrifugal compressors, where it detects misalignment, bearing wear, or rotor imbalance. In offshore oil platforms, it ensures safe operation of subsea pumps exposed to corrosive saltwater and high humidity. Power plants deploy this system to safeguard boiler feed pumps and generator shafts, while wind turbine operators rely on it for gearbox health monitoring. Its ATEX/IECEx certification allows deployment in explosive atmospheres, such as petrochemical refineries and LNG processing units. Additionally, it supports hydrodynamic bearing monitoring in hydroelectric turbines, enhancing operational reliability in renewable energy systems.
4. Competitive Advantages and Unique Features
5. Functional Capabilities and Operational Benefits
The 1900/65A provides real-time data to control systems, enabling predictive maintenance and automated shutdowns to avoid catastrophic failures. Its wide frequency response captures dynamic events like rotor rubs or sudden unbalance, while the linear output integrates seamlessly with Bently Nevada’s 3500 series monitors and third-party PLCs/SCADA systems. The IP67 rating ensures durability in wet or dusty environments, reducing maintenance costs. By aligning with API 670 standards, it guarantees compliance in regulated industries, minimizing operational risks. These features make the 1900/65A a cost-effective solution for extending equipment lifespan and optimizing asset performance in demanding industrial settings.
| Category | Specification |
|---|---|
| Product Type | Proximity Probe System / Eddy Current Displacement Sensor |
| Model | 1900/65A |
| Measurement Range | 0–10 mm (0–0.4 in) peak-to-peak displacement |
| Frequency Response | 0.5 Hz to 10 kHz (±3 dB) |
| Sensitivity | 200 mV/mil (7.87 V/mm) ±5% |
| Output Signal | -4 to -20 V DC (linear to gap voltage) |
| Power Supply | 18–30 V DC (typical), 24 V DC nominal |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
| Hazardous Area Rating | ATEX/IECEx (optional, depending on configuration) |
| Ingress Protection | IP67 (standard enclosure) |
| Probe Compatibility | Bently Nevada 3300/7200 series proximity probes |
| Cable Length | Up to 305 m (1000 ft) with shielded coaxial cable |
| Certifications | CE, ATEX (optional), IECEx (optional), API 670 (compliant) |
| Mounting | Threaded stud or flange-mounted |
| Electrical Connections | Integral MIL-C-5015 connector or terminal blocks |
| Material | Stainless steel probe tip, armored cable |
| Linearity | ±1% of full scale |
| Temperature Compensation | Automatic compensation for thermal drift |
| Compliance | ISO 10816/20816 (vibration standards), API 670 (machinery protection) |
| Weight | ~0.8 kg (1.76 lbs) |
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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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
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