3300/15 - Dual Vibration Monitor

3300/15 - Dual Vibration Monitor 3300/15 - Dual Vibration Monitor

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Part No.: 3300/15
Manufacturer: Bently Nevada
Product Type: Dual Vibration Monitor
Full Scale Range : 0-10 Mils PP
Recorder Output : +4 to +20 mA
Scale Factor : 7200 200 mV/Mil
Transducer Input (01): 3300 or 7200 Proximitor, 200 mV/mil
Alarm Relay: None
Agency Approval: Not Required
Safety Barriers : None
Trip Multiply: None
Availability: In Stock
Series: 3300 Series
Country of Manufacture: United States (USA)

Functional Description

3300/15 is a Dual Vibration Monitor developed by Bently Nevada. It is a part of 3300 Bently Nevada Series. The Dual Vibration Monitor is a microprocessor-based monitor with digitally adjustable Alert and Danger thresholds. For radial vibration amplitude, each channel has its own Alert and Danger alarm setpoints. It has status indicators (monitor and transducer OK, Alert, Danger, and Bypass) as well as independent per channel peak to peak amplitude detection of vibration signals for continuous display and driving recorder outputs. The rear terminal strip delivers short-circuit-protected power to the two transducer systems. The OK circuit continuously monitors the cach transducer and associated field wiring operation. On the monitor's LCD readout, both channels are continuously displayed independently.

3300/15 Features

  • The Dual Vibration Monitor is designed to cater to a wide range of rotating and reciprocating machinery applications. Its primary function lies in providing sophisticated on-line vibration monitoring capabilities, ensuring the smooth and efficient operation of industrial equipment.
  • One of the standout features of the Dual Vibration Monitor is its ability to continuously measure and monitor two distinct radial vibration channels. This dual-channel monitoring capability enables it to keep a close eye on vibrations in different parts of the machinery, providing a comprehensive view of its performance and health. This is particularly useful for identifying potential issues and anomalies that could lead to equipment failure or inefficiency.
  • It seamlessly integrates with two proximity probe transducer systems. These transducers play a pivotal role in detecting vibrations and converting them into electrical signals that the monitor can then analyze. By interfacing with these transducers, the monitor ensures accurate and reliable vibration measurements, enhancing its ability to predict and prevent potential problems.
  • It's worth noting that the 5 Dual Vibration Monitor is designed to be a component within a larger monitoring and control system. To operate effectively, it needs to be used in conjunction with the 3300 System Rack, Power Supply, and System Monitor. Each of these components performs a specific function in the overall system, contributing to the comprehensive monitoring and management of machinery vibrations.
  • In line with industry standards and regulations, the component complies with the requirements set forth by the American Petroleum Institute (API) Standard. This validation underscores the monitor's reliability, accuracy, and suitability for critical applications in industries such as oil and gas, manufacturing, and power generation. Adhering to API standards ensures that the monitor meets rigorous quality and performance benchmarks, making it a trusted choice for organizations seeking top-notch vibration monitoring solutions.


  • Quality, dependability, and flexibility are built into 3300 monitors.
  • Each monitor operates independently within the system, requiring no additional control panel, keyboard, or programming module. The Dual Vibration Monitor includes features that optimize long-term, dependable, and highly accurate system operation. These characteristics are critical, especially in installations where the monitoring system serves as an input to an automatic machine shutdown system.
  • It is not always possible to determine the exact monitor options you will require for a specific application when placing your order. The Dual Vibration Monitor includes a variety of plug-in (user-programmable) jumpers, allowing you to easily set the appropriate monitor options when you receive the system. These options can be changed in the field if necessary in the future. Jumper programming does not necessitate the use of any tools or extra parts.
  • These are plug-in jumpers that can be adjusted manually. The on-board microprocessor reads the jumper positions and controls the monitor accordingly.

Product Attributes

  • The Dual Vibration Monitor boasts a range of noteworthy product attributes that contribute to its exceptional functionality and user-friendly design.
  • At the core of its reliability is the integration of self-test routines within the advanced microprocessor technology it employs. These self-test routines serve as a built-in mechanism to ensure that the monitor is operating at its optimum performance level. By periodically running these tests, the monitor can detect and report any potential internal issues or malfunctions. This proactive approach enhances the monitor's reliability, as it can promptly alert operators to any irregularities, allowing for timely maintenance and minimizing downtime. This feature underscores the monitor's commitment to maintaining peak operational efficiency and reducing the risk of unexpected failures.
  • The user interface is intuitively structured, presenting vital information in a clear and organized manner. This layout simplifies the monitoring process, allowing operators to quickly access critical data without unnecessary complexity. The display provides essential insights into the machinery's vibration status, facilitating swift decision-making and enabling operators to take appropriate actions in real-time. Ergonomically positioned switches contribute to ease of use, ensuring that operators can navigate and interact with the monitor effortlessly. This emphasis on user-friendliness enhances the overall monitoring experience and streamlines the operator's workflow.
  • In environments where safety is paramount, the Monitor addresses the need for intrinsic safety through the incorporation of barriers. These barriers serve as protective mechanisms that prevent potentially hazardous conditions from affecting the monitor or the surrounding equipment. By implementing these barriers, the monitor ensures that even in volatile or explosive environments, it remains reliable and operates without compromising safety standards.


  • The inputs of the Monitor are engineered to cater to a variety of operational scenarios and offer precise control over monitoring parameters. These inputs showcase a comprehensive approach to accommodating different signals and enabling seamless interaction with the broader monitoring system.
  • One of the pivotal features of the input system is its flexibility in accommodating signals. It can process one or two proximity probe signals with ease. Proximity probes play a key role in detecting minute changes in vibration levels, providing valuable insights into machinery health. By accepting up to two such signals, the monitor enables the monitoring of multiple points on machinery, allowing for a more comprehensive understanding of vibration patterns and potential issues.
  • The input impedance of 10 k ohms further demonstrates the monitor's adaptability. This input impedance matches a wide range of probe systems, ensuring compatibility with various sensor configurations. This versatility minimizes the need for additional signal conditioning equipment and streamlines the integration process, making it more convenient for operators.
  • The peak-to-peak sensitivity of 200 mV/mil (8 V/mm) highlights the monitor's precision in capturing even the subtlest of vibrations. This sensitivity is crucial for detecting early signs of machinery deterioration, providing operators with advanced warning before a situation escalates. This level of sensitivity is especially beneficial in preventing catastrophic failures and optimizing maintenance schedules.
  • The input system's ability to accept regulated DC voltages from the rack Power Supply is a practical feature that simplifies the setup process. This streamlined power input ensures that the monitor receives consistent and reliable power, contributing to its stable and accurate performance. With a nominal power consumption of 2 watts, the monitor maintains an efficient energy profile, contributing to the overall efficiency of the monitoring system.
  • The interaction with the System Monitor adds another layer of control and adaptability to the input system. The Power-Up Inhibit signal response allows the monitor to align its operations with the broader system's startup sequence, ensuring a synchronized and orderly system initialization. The Trip Multiply signal response and the ability to reset in response to an alarm System Monitor reset signal provide operators with the means to adjust monitoring thresholds and reset the system, respectively. This control over thresholds and system status empowers operators to tailor the monitoring setup to the specific needs of their machinery.
  • Additionally, the Alarm Setpoint Adjustment feature, which responds to the System Monitor's Up/Down signals, offers real-time adjustment of alarm thresholds. This flexibility enables operators to adapt to changing operational conditions or fine-tune the monitoring parameters for optimal performance.

World of Controls has the most comprehensive collection of Bently Nevada products. Please contact WOC as soon as possible if you require any extra information.

Frequently Asked Questions

What is 3300/15?
It is a Dual Vibration Monitor developed by Bently Nevada

What types of machinery is the Dual Vibration Monitor suitable for?
It is suitable for virtually all types of rotating and reciprocating machinery and provides sophisticated online vibration monitoring.

Does the component meet any industry standards?
Yes, the Vibration Monitor meets the American Petroleum Institute Standard.

What is the input impedance of the Signal for the product?
The input impedance of the Signal is 10 k ohms.

What is the peak to peak sensitivity of the device?
The peak to peak sensitivity is 200 mV/mil (8 V/mm).

What is the nominal power consumption of the component?
The nominal power consumption 2 watts.