Overview
The Bently Nevada 1900/65A (Part Number: 172323-01) is a general-purpose equipment monitor designed for continuous condition monitoring and protection of industrial machinery. It provides real-time insights into machine health, allowing for proactive maintenance and reducing unexpected failures. Positioned as a cost-effective alternative to high-end systems, it is ideal for balance-of-plant equipment where reliable monitoring is essential but advanced systems may not be necessary.
Key Features & Functions
Continuous Monitoring & Protection
- Detects vibration and temperature anomalies to prevent failures.
- Offers early fault detection, optimizing maintenance and equipment lifespan.
- Supports various industrial applications, including motors, pumps, compressors, fans, and turbines.
Versatile Input & Output Options
- 4 transducer input channels supporting accelerometers, velocity, and proximity sensors.
- 4 temperature input channels compatible with thermocouples (E, J, K, T) and RTDs (2- and 3-wire configurations).
- 6 programmable relay outputs (SPDT contacts) for customized alarm triggers.
- 4 configurable 4-20mA outputs for real-time data transmission.
- Buffered outputs for raw sensor data analysis.
Power & Environmental Specifications
- Power Supply: 18-36 VDC (optional 110-220 VAC).
- Power Consumption: Typical 8.5W, maximum 14W.
- Operating Temperature: -20°C to +70°C (-4°F to +158°F).
- Storage Temperature: -30°C to +90°C (-22°F to +194°F).
Communication & Integration
- Modbus support over Ethernet and RS232/485 for system integration.
- Optional Modbus Gateway enables direct data transfer to DCS, SCADA, and PLCs.
Advanced Filtering & Signal Processing
- Configurable high-pass & low-pass filters for vibration analysis.
- Specialized enveloping filters for early-stage bearing fault detection.
- Digital filtering to minimize interference and enhance signal clarity.
Physical Dimensions & Mounting Options
- Monitor Module Dimensions: 196.9 mm × 149.4 mm × 74.4 mm.
- Weight: ~0.8 kg to 1.4 kg, depending on configuration.
- Mounting Options: DIN rail, bulkhead, or NEMA 4X/IP66 weatherproof enclosures.
- Optional remote display/keypad for flexible on-site monitoring.
Applications
The 1900/65A is widely used across industries such as Oil & Gas, Power Generation, Water Treatment, Manufacturing, and more. It is suited for monitoring rotating equipment like motors, pumps, fans, compressors, centrifuges, and turbines, enhancing operational reliability and maintenance efficiency.
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