Product Introduction
The Bently Nevada 1900/65A is a highly reliable and flexible general-purpose equipment monitor designed for condition monitoring and basic machine protection in industrial applications. It supports a variety of vibration, position, and speed inputs, making it suitable for a wide range of rotating and reciprocating machinery. This monitor is part of Bently Nevada’s trusted suite of monitoring systems, widely adopted in industries such as oil and gas, power generation, manufacturing, and pulp and paper.
The 1900/65A is an excellent option for users who require cost-effective monitoring without compromising on performance. It features two independent channels, alarm capabilities, and offers compatibility with standard 4-20 mA output signals, allowing easy integration into existing control and SCADA systems.
Product Specifications
| Parameter | Value |
| Model Number | 1900/65A-00-00-01-00-00 |
| Channels | 2 (independent channels for vibration, position, or speed) |
| Input Types | Proximitor®, Accelerometer, Velomitor®, Keyphasor®, RTDs |
| Output | 4-20 mA analog outputs; relay contact outputs |
| Display | Optional HMI via Modbus |
| Alarm Functions | Configurable Alert and Danger levels, Alarm time delays |
| Communication Protocols | Modbus RTU over RS485 |
| Relay Outputs | 2 Relays (DPDT Form C) |
| Power Supply | 24 VDC (±10%) |
| Operating Temperature | –20°C to +65°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 95% non-condensing |
| Mounting | DIN rail or bulkhead mounting |
| Enclosure Rating | IP20 (standard), can be enclosed in IP65-rated enclosure |
| Certifications | CE, CSA, ATEX (for specific models), RoHS compliant |
| Dimensions | 196.9 x 149.4 x 74.4 mm |
| Weight | 0.77 kg |
Applications
The Bently Nevada 1900/65A is ideal for a broad spectrum of industrial and utility applications, including:
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Pumps: Detecting imbalance, misalignment, and bearing wear.
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Fans and Blowers: Monitoring for excessive vibration and shaft movement.
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Compressors: Protection from casing vibrations and rotor instability.
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Gearboxes: Monitoring gear mesh frequency for wear and damage.
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Motors and Generators: Shaft alignment, bearing condition, and vibration trends.
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Industrial Equipment: Anywhere where low-cost, effective condition monitoring is required.
This monitor is particularly beneficial for facilities that need localized monitoring for machinery that is not yet connected to a centralized system.
Product Advantages
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Cost-Effective Monitoring: Designed for affordability without sacrificing critical functionality.
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Scalable Deployment: Perfect for both standalone and multiple-unit monitoring setups.
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Flexible Input Compatibility: Accepts a wide range of sensor inputs, including proximity and velocity.
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Simple Integration: 4-20 mA output and Modbus compatibility ensure easy integration into DCS/PLC systems.
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Rugged Design: Engineered for harsh industrial environments with a robust design and reliable performance.
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Alarm Functionality: Built-in alert and danger alarms enable quick response to abnormal machinery behavior.
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Easy Installation: Compact form factor and DIN rail mounting simplify field deployment.
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Reduced Downtime: Early fault detection extends equipment life and minimizes unplanned outages.
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Expandable: Can be combined with other Bently Nevada monitoring systems for comprehensive coverage.
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Trusted Brand: Backed by decades of Bently Nevada’s expertise in machinery protection and diagnostics.
FAQ (Frequently Asked Questions)
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What types of sensors are compatible with the 1900/65A monitor?
The monitor supports proximity probes, accelerometers, velomiters, and Keyphasor inputs. -
Can this device be connected to a PLC system?
Yes, it offers 4–20 mA outputs and Modbus RTU communication, which are commonly used with PLCs. -
Does the 1900/65A provide alarm capabilities?
Yes, it has configurable Alert and Danger alarm thresholds, along with two relay outputs. -
Is the monitor suitable for outdoor use?
The device itself is rated IP20, but it can be installed inside an IP65-rated enclosure for outdoor environments. -
How many channels does the monitor have?
The 1900/65A features two independent monitoring channels. -
Can it be used for temperature monitoring?
While primarily used for vibration and position, certain configurations support RTD inputs. -
What kind of mounting options are available?
It supports DIN rail or bulkhead mounting for flexibility in installation. -
Is the unit programmable or configurable via software?
Yes, configuration can be done using Bently Nevada’s proprietary setup tools. -
What power supply does it require?
It operates on 24 VDC with a ±10% tolerance. -
Is it certified for use in hazardous areas?
Certain variants are certified under ATEX and CSA for hazardous environments. Always confirm model-specific certifications.
Recommended Models – Same Series or Related
| Model Number | Description | Channels | Input Type | Dimensions (mm) |
| 1900/65A-00-00-00-00-00 | Base model, general purpose monitor | 2 | Vibration | 127 × 43 × 130 |
| 1900/65A-00-00-02-00-00 | Includes temperature input capability | 2 | Vib + Temp | 127 × 43 × 130 |
| 1900/65A-01-00-01-00-00 | High-speed input version with Keyphasor support | 2 | Speed + Vib | 127 × 43 × 130 |
| 1900/65A-00-01-01-00-00 | Extended diagnostics model | 2 | Vib/Pos/Sensor | 127 × 43 × 130 |
| 1900/65A-00-00-01-01-00 | Dual relay model | 2 | General Vib | 127 × 43 × 130 |
| 1900/65A-00-00-01-00-01 | Isolated analog output version | 2 | Vibration | 127 × 43 × 130 |
Popular Models from Bently Nevada
| Model Number | Description | Application | Channels | Dimensions (mm) |
| 3500/22M | Transient Data Interface Module | System Monitoring | N/A | 241 × 24 × 241 |
| 3500/42M | Proximitor Monitor Module | Shaft Vibration | 4 | 241 × 24 × 241 |
| 3500/50 | Tachometer Module | Speed Monitoring | 2 | 241 × 24 × 241 |
| 3500/40M | Velocity Monitor Module | Velocity Monitoring | 4 | 241 × 24 × 241 |
| 3500/15 | Power Supply Module | Power Supply | N/A | 127 × 45 × 127 |
| ADAPT 3701/40 | Smart Vibration Monitor | Remote Monitoring | 4 | 176 × 48 × 143 |
Company Information
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
Our services
We are specialized in providing industrial automation parts with a one-year warranty. Our industrial automation parts are sold all over the world.
We can provide equipment and spare parts from different countries and manufacturers, solve your worries or quality problems in many places, and have a great price advantage.
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