Bently Nevada 1900/65A-01-01-01-00-00: Compact Machinery Protection Monitor
Product Description
The Bently Nevada 1900/65A-01-01-01-00-00 is a compact, high-reliability machinery protection monitor designed for monitoring critical parameters of rotating equipment in industrial environments. As part of Bently Nevada’s 1900 series, this single-channel monitor focuses on vibration and position measurements, providing essential insights into machinery health to prevent unplanned downtime. Equipped with straightforward configuration options and rugged construction, it delivers real-time data and alarm capabilities, making it ideal for small to medium-sized industrial applications where space and simplicity are priorities.
Product Parameters
- Input Type: 1 channel supporting proximity probes (for vibration and position measurements), compatible with Bently Nevada’s 3300 series probes.
- Vibration Measurement Range: ±250 μm peak-to-peak, covering typical vibration amplitudes in pumps, motors, and small turbines.
- Position Measurement Range: 0–1000 μm, suitable for monitoring shaft position, thrust bearing clearance, and rotor displacement.
- Frequency Response: 0.5 Hz to 10 kHz, enabling detection of low-frequency vibrations (e.g., unbalance) and high-frequency faults (e.g., bearing defects).
- Alarm Thresholds: Configurable alarm and danger levels, with adjustable time delays to prevent false alarms.
- Output Signal: 4–20 mA analog output proportional to measured values, facilitating integration with PLCs or SCADA systems.
Product Specifications
- Power Supply: 24 VDC ± 10% with a maximum current consumption of 100 mA, compatible with standard industrial power supplies.
- Operating Temperature: 0°C to 60°C, ensuring reliable operation in factory floors, workshops, and enclosed control cabinets.
- Storage Temperature: -40°C to 85°C, maintaining durability during transportation and long-term storage.
- Humidity Resistance: 5% to 95% non-condensing, suitable for use in humid environments without performance degradation.
- Enclosure Rating: IP20, protecting internal components from solid objects larger than 12 mm, ideal for panel mounting.
- Dimensions: 48 mm (width) × 96 mm (height) × 112 mm (depth), designed for compact panel installation to save space.
- Weight: Approximately 300 grams, lightweight for easy mounting in control panels.
- Relay Outputs: 2 Form C relays (alarm and danger) with a switching capacity of 250 VAC / 1 A or 30 VDC / 1 A, supporting alarm notifications and safety actions.
Series
The 1900/65A-01-01-01-00-00 belongs to the Bently Nevada 1900 series of machinery protection monitors. The 1900 series is engineered for cost-effective, reliable monitoring of rotating equipment in small to medium-sized applications. Unlike the modular 3500 series, the 1900 series features compact, standalone monitors with simplified configurations, making them accessible for applications where complex systems are unnecessary. The series includes single and multi-channel models, all focused on delivering essential protection features such as vibration and position monitoring, ensuring compliance with basic industrial safety standards.
Features
Compact Design
With its small form factor (48 × 96 × 112 mm), the monitor fits easily into space-constrained control panels, making it ideal for retrofitting into existing systems or installations with limited space.
Easy Configuration
User-friendly front-panel potentiometers or software tools allow quick setup of alarm thresholds and measurement ranges, reducing installation time and technical expertise requirements.
Reliable Alarm System
Configurable alarm and danger relays trigger visual/audio alerts or safety shutdowns when thresholds are exceeded, ensuring timely response to machinery faults.
Versatile Input Support
Compatible with proximity probes for vibration and position measurements, enabling flexible monitoring of different machinery parameters with a single device.
Industrial Durability
Rugged construction and wide operating temperature range ensure reliable performance in harsh industrial environments, resisting vibration, dust, and temperature fluctuations.
Function
The primary function of the 1900/65A-01-01-01-00-00 is to monitor vibration and position of rotating machinery in real time. It processes signals from proximity probes, converts them into measurable values, and compares them against user-defined thresholds. When measurements exceed these thresholds, the monitor activates relay outputs to trigger alarms or safety actions. The 4–20 mA analog output provides continuous data to external systems, enabling remote monitoring and data logging for trend analysis.
Use
In industrial settings, the monitor is panel-mounted near rotating equipment such as pumps, motors, fans, and small turbines. It connects to proximity probes installed on bearing housings or shafts, continuously tracking vibration levels and shaft position. Operators use the front-panel indicators to check machinery status at a glance, while relays integrate with control systems to automate responses to faults. The analog output allows for centralized data collection, supporting basic condition monitoring and maintenance planning.
Application Fields
General Manufacturing
In factories, it monitors motors, pumps, and conveyor systems, detecting early signs of wear or misalignment to prevent production line disruptions.
Water and Wastewater
It safeguards pumps and blowers in treatment plants, ensuring reliable operation of critical equipment used in water distribution and wastewater processing.
Food and Beverage
In processing facilities, the monitor tracks vibration in mixers, agitators, and packaging machinery, reducing the risk of unplanned downtime in hygiene-sensitive environments.
HVAC Systems
It monitors fans, compressors, and chillers in heating, ventilation, and air conditioning systems, ensuring efficient operation and extending equipment lifespan.
Small-Scale Power Generation
In backup generators and small turbines, it provides basic protection by monitoring vibration and shaft position, ensuring reliable power supply in remote or standby applications.
In summary, the Bently Nevada 1900/65A-01-01-01-00-00 is a compact and cost-effective solution for machinery protection in small to medium-sized industrial applications. Its simplicity, reliability, and essential monitoring capabilities make it a valuable tool for maintaining equipment health, reducing downtime, and ensuring operational safety in diverse industries.
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