Description
BENTLY NEVADA 1900/65A Universal Machinery Monitor
1. Product Description
The BENTLY NEVADA 1900/65A is a cost-effective, versatile machinery health monitoring system designed for non-critical or mid-sized rotating equipment, offering continuous vibration, displacement, velocity, and temperature monitoring. As a compact solution, it supports 4 vibration/displacement/velocity channels and 4 temperature channels (compatible with E, J, K, T thermocouples and 2/3-wire RTDs), with independent parameter configuration for each channel. The system features 6 programmable relay outputs and 4-20 mA recorder outputs for alarm triggering and control, while its Modbus communication capabilities (Ethernet or RS232/485) enable integration with DCS, PLC, or SCADA systems. Built on BENTLY’s proven 3500/3300 series technology, the 1900/65A ensures reliability and backward compatibility with legacy components.
2. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 1900/65A |
| Input Channels | 4 vibration/displacement/velocity, 4 temperature |
| Sensor Types | Eddy current probes, velocity/acceleration sensors |
| Temperature Inputs | E/J/K/T thermocouples, 2/3-wire RTDs |
| Outputs | 6 relays, 4×4-20 mA analog, buffered signals |
| Communication | Modbus RTU (RS232/485), Modbus TCP (Ethernet) |
| Power Supply | DC 18–36V or AC 110–220V (external adapter required) |
| Dimensions | 19.6 cm × 16 cm × 8 cm |
| Weight | 0.98 kg |
| Operating Temperature | -20°C to +60°C |
3. Advantages and Features
- Cost-Effective Monitoring: Reduces installation costs by 30% compared to high-end systems like BENTLY’s 3500 series.
- Flexible Configuration: Supports standalone operation or integration with optional display units (up to 76 meters away).
- Reliable Design: Leverages BENTLY’s 3500/3300 series circuit technology for long-term stability.
- Scalable Connectivity: Optional Modbus gateway upgrades enable seamless integration into industrial networks.
Case Study: A U.S. water treatment plant reduced maintenance costs by 25% using the 1900/65A to monitor pump vibrations, detecting bearing wear before failures occurred.
4. Application Fields and Case Studies
Industries:
- Petrochemicals, power generation, manufacturing, water treatment.
典型应用:
- Pumps, motors, centrifuges, blowers, small compressors, cooling fans.
Case Study: A European food processing facility deployed the 1900/65A to monitor conveyor motors, achieving 99.7% uptime through early fault detection.
5. Competitive Comparison
The BENTLY NEVADA 1900/65A outperforms generic monitors with:
- Proprietary Signal Conditioning: Reduces noise interference by 40% compared to basic solutions.
- Dual Power Compatibility: Supports both AC and DC inputs, enhancing site flexibility.
- API 670-Compliant Design: Ensures accuracy for critical machinery in hazardous environments.
6. Selection Recommendations
- Budget Constraints: Ideal for non-critical equipment where advanced features are unnecessary.
- Sensor Requirements: Match channel types (vibration/temperature) to your machinery’s needs.
- Integration Needs: Choose Modbus-enabled models for DCS/PLC connectivity.
7. Precautions
- Discontinuation Notice: The 1900/65A is obsolete; consider upgrading to BENTLY’s 2300 Series Vibration Monitors.
- Installation: Use DIN rail or wall mounts with optional IP65 enclosures for harsh environments.
- Compatibility: Ensure sensor compatibility with BENTLY’s 3300 series probes in hazardous zones.
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