The 3300/55 Dual Velocity Monitor accepts inputs from one or two Velomitor® transducers, High Temperature Velomitor Systems (HTVS), or Velocity Seismoprobe® transducers without the need for additional interface modules. Its user-friendly design allows for easy field programming of various options, including high- and low-pass filter corner frequencies, using plug-in jumpers. ​

Technical Specifications

Applications

The 3300/55 Dual Velocity Monitor is widely used in industries such as power generation, oil and gas, and manufacturing. It is ideal for monitoring turbines, pumps, fans, compressors, and other rotating equipment, enabling early detection of mechanical issues and facilitating proactive maintenance strategies. ​

Advantages

• Dual-Channel Monitoring: Simultaneously measures vibration velocity in two directions, providing a comprehensive assessment of machine health.​

• High Sensitivity: Detects even minor changes in vibration levels, ensuring early identification of potential issues.​

• Wide Frequency Range: Covers a broad spectrum of frequencies, accommodating various machinery types and operating conditions.​

• Rugged Construction: Designed to endure harsh industrial environments, ensuring reliable operation in demanding conditions.​

• Ease of Installation and Operation: Simplifies setup and usage, reducing the need for extensive training and minimizing the potential for operational errors.​

Bently Nevada 3300/55 Dual Velocity Monitor FAQ

1. What is the primary function of the Bently Nevada 3300/55 Dual Velocity Monitor?

   • The Bently Nevada 3300/55 Dual Velocity Monitor continuously measures and monitors vibration velocity in two orthogonal directions. It provides real-time data to detect potential machinery issues, helping with proactive maintenance and ensuring the health of rotating equipment.

2. What types of machinery can the 3300/55 monitor?

   • The 3300/55 is ideal for monitoring rotating equipment such as turbines, compressors, fans, pumps, motors, and other machinery in various industries, including power generation, oil and gas, and manufacturing.

3. What is the input signal requirement for the 3300/55 monitor?

   • The monitor accepts inputs from one or two Velomitor® transducers, High Temperature Velomitor Systems (HTVS), or Velocity Seismoprobe® transducers, depending on your application and machinery setup.

4. Can the 3300/55 monitor more than one machine at a time?

   • Yes, the monitor can handle signals from two independent machines simultaneously, as it supports two channels of measurement, providing an effective solution for dual machine monitoring.

5. How sensitive is the 3300/55 Dual Velocity Monitor?

   • The sensitivity is jumper-programmable and can be set to 500 mV/in/s, 145 mV/in/s, or 100 mV/in/s to suit different types of machinery and vibration levels.

6. What is the frequency range of the 3300/55?

   • The monitor has a frequency response range from 3 Hz to 10,000 Hz (180 to 600,000 cpm) for Velocity Seismoprobe® transducers and from 3 Hz to 3,000 Hz (180 to 180,000 cpm) for HTVS and Velomitor® systems.

7. What are the available output options for this monitor?

   • The 3300/55 offers user-programmable outputs such as +4 to +20 mA, 0 to -10 Vdc, or +1 to +5 Vdc for integration with data collection systems or control panels.

8. How does the alarm system in the 3300/55 work?

   • The monitor has adjustable alarm setpoints ranging from 0 to 100% of full scale, with a resolution of ±1.6%. Alarms are triggered when vibration levels exceed the programmed threshold, alerting users to potential mechanical issues.

9. What is the operating temperature range for the 3300/55?

   • The operating temperature range for the 3300/55 is 0°C to +65°C (32°F to 150°F), allowing it to function reliably in typical industrial environments.

10. Can the 3300/55 be used in hazardous or extreme environments?

• Yes, the Bently Nevada 3300/55 Dual Velocity Monitor is designed to withstand harsh industrial conditions. Its rugged construction ensures it can perform effectively in extreme temperature and vibration environments typically found in power plants, refineries, and other critical facilities.