Description
Bently 1900/65A-01-01-03-01-00 Monitor
Product Dimensions:
The Bently Nevada 1900/65A General Purpose Equipment Monitor is a flexible, self-contained system designed to provide continuous monitoring and protection for essential machinery. The specific part number 1900/65A-01-01-03-01-00 denotes a specific configuration of inputs, power options, and mounting.
1. Product Detailed Description
The 1900/65A is designed to monitor non-critical “balance-of-plant” equipment (such as small pumps, motors, blowers, and centrifuges). Unlike the larger 3500 series, this is a standalone monitor that does not require a separate rack. It provides four transducer inputs and four temperature inputs, allowing for a comprehensive view of machine health in a compact form factor.
Configuration breakdown for 1900/65A-01-01-03-01-00:
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01: Power Option (85 to 250 Vac, 50/60 Hz)
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01: Display Option (Included)
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03: Mounting Option (NEMA 4X Enclosure)
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01: Digital Communication (Modbus® RS485/RS232)
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00: Agency Approval (None/Standard)
2. Technical Parameters
| Feature | Specification |
| Input Channels | 4 Vibration/Position inputs + 4 Temperature (RTD/TC) inputs |
| Input Sensors | Proximitor® sensors, Velomitor®, Accelerometers |
| Relay Outputs | 6 Configurable relays (Alert/Danger) |
| Analog Outputs | 4 to 20 mA (4 configurable outputs) |
| Power Consumption | Max 10 Watts |
| Frequency Response | 0.5 Hz to 10 kHz (configurable per channel) |
| Communication | Modbus TCP (Ethernet) and Modbus RTU (Serial) |
| Enclosure Rating | NEMA 4X / IP66 (Protects against water/dust) |
3. Product Advantages
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Cost-Effective Protection: Bridges the gap between manual walk-around programs and expensive, high-end rack systems.
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High Reliability: Offers “Small System” protection with the same industrial-grade quality expected from Bently Nevada.
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Stand-Alone Operation: Does not require an external computer or rack to function; it manages its own alarms and shutdowns.
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Versatility: Can monitor vibration, temperature, and speed simultaneously.
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Ease of Integration: The Modbus capability allows it to feed data directly into a PLC, DCS, or SCADA system for centralized monitoring.
4. Precautions & Installation Notes
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Wiring Integrity: Ensure shielded cables are used for all sensor inputs to prevent EMI/RFI interference from affecting signal accuracy.
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Enclosure Seals: For the NEMA 4X version, ensure all cable glands are properly tightened to maintain the waterproof seal.
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Configuration Software: Use the 1900 Configuration Software to set alarm setpoints and delay times before commissioning.
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Power Source: Confirm the voltage matches the -01 option (AC power) to avoid damaging the internal power supply module.
5. Product Applications
The 1900/65A is ideal for machinery that is important to the process but does not justify the cost of a full 3500 rack system:
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Cooling Tower Fans: Monitoring vibration and motor temperature.
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Centrifugal Pumps: Protection against cavitation or bearing failure.
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Air Compressors: Real-time monitoring of casing vibration.
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Small Steam Turbines: Basic overspeed and vibration protection.
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Conveyors & Gearboxes: Tracking mechanical wear in heavy industrial environments.
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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