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- Bently Nevada
- 190501-11-00-04
- Velomitor CT Velocity Sensor
- USA
- 33 mm
- 0.297 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 190501-11-00-04 Velomitor CT Velocity Sensor is a rugged industrial vibration sensor developed for continuous monitoring of low-speed rotating equipment. As a member of the Velomitor CT Series, this sensor is specifically designed to measure vibration velocity on machinery where accurate low-frequency vibration detection is essential for equipment protection and predictive maintenance.
The sensor is commonly installed on cooling tower fans, air-cooled heat exchangers, large industrial blowers, and other critical rotating assets. Its robust construction and dependable measurement capabilities make it a valuable component in modern machinery condition monitoring systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 190501-11-00-04 |
| Product Type | Velomitor CT Velocity Sensor |
| Series | Velomitor CT |
| Sensor Technology | Piezoelectric Velocity Transducer |
| Function | Vibration Velocity Measurement |
| Sensor Diameter | 33 mm |
| Sensor Height | 82 mm |
| Weight | 0.297 kg |
| Housing Material | 316L Stainless Steel |
| Output Type | Velocity Signal Output |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% |
| Frequency Response | 3 Hz to 900 Hz (±1 dB) |
| Extended Frequency Range | 1.5 Hz to 1000 Hz (±3 dB) |
| Maximum Velocity Range | 63.5 mm/s Peak |
| Maximum Cable Length | 305 m (1000 ft) |
| Transverse Sensitivity | Less than 5% |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +100°C |
| Environmental Protection | Industrial Duty Construction |
| Application | Cooling Towers, Fans, Heat Exchangers, Rotating Equipment |
Function and Working Principle
The 190501-11-00-04 continuously measures vibration velocity generated by rotating machinery and converts the mechanical motion into an electrical signal suitable for analysis and monitoring.
Main Functions
- Continuous vibration monitoring
- Machinery health assessment
- Fault detection and diagnostics
- Predictive maintenance support
- Equipment protection monitoring
- Reliability improvement programs
Working Principle
The sensor contains a precision piezoelectric sensing element that reacts to machine vibration. When vibration occurs, the internal element generates an electrical signal proportional to vibration velocity. This signal is transmitted to monitoring systems where vibration levels, alarm conditions, and machinery trends can be evaluated.
Its low-frequency optimization enables accurate monitoring of slow-speed machinery that may not be effectively measured using conventional vibration sensors.
Role in Machinery Condition Monitoring Systems
The 190501-11-00-04 serves as a critical component in industrial reliability programs by providing:
- Real-time vibration monitoring
- Early identification of mechanical faults
- Detection of imbalance and misalignment
- Bearing condition assessment
- Reduced unplanned shutdowns
- Enhanced equipment reliability
The sensor contributes to proactive maintenance strategies and long-term asset management.
Industrial Applications
Typical applications include:
- Cooling tower fan assemblies
- Air-cooled heat exchanger fans
- Industrial ventilation systems
- Power generation equipment
- Petrochemical facilities
- Water treatment plants
- Mining and processing operations
- General rotating machinery monitoring
Its performance characteristics make it especially effective for slow-speed equipment operating under demanding conditions.
Installation and System Integration
For optimal measurement accuracy, the sensor should be installed according to recommended vibration monitoring practices.
Installation Guidelines
- Mount directly to machine casing or bearing housing
- Ensure rigid mechanical coupling
- Use approved mounting hardware
- Maintain proper cable routing
- Follow grounding and shielding requirements
- Inspect connector integrity before startup
Correct installation helps maximize signal quality and long-term operational reliability.
Compatible Components and Modules
The 190501-11-00-04 is commonly integrated with:
- Bently Nevada 3500 Series Machinery Protection Systems
- Vibration Monitoring Modules
- Condition Monitoring Software Platforms
- Machinery Health Management Systems
- Signal Conditioning Equipment
- Industrial Data Acquisition Systems
- Monitoring and Diagnostic Networks
These systems work together to provide comprehensive equipment condition monitoring.
Recommended Alternative Models
| Model | Product Type | Key Feature | Recommended Application |
|---|---|---|---|
| 190501-11-00-04 | Velomitor CT Velocity Sensor | Low-frequency vibration monitoring | Cooling tower equipment |
| 190501-10-00-00 | Velomitor CT Velocity Sensor | Standard industrial monitoring | Fan systems |
| 190501-09-99 | Velomitor CT Velocity Sensor | Machinery condition monitoring | Heat exchanger applications |
| 330500 Velomitor | Velocity Sensor | General-purpose vibration measurement | Rotating equipment |
| 330400 Accelerometer | Accelerometer | High-frequency fault analysis | Bearing diagnostics |
Key Advantages
- Optimized for low-speed rotating machinery
- Accurate low-frequency vibration measurement
- Durable 316L stainless steel housing
- Wide industrial operating temperature range
- Excellent long-term reliability
- Supports predictive maintenance initiatives
- Compatible with machinery protection systems
- Suitable for harsh industrial environments
- Helps reduce maintenance costs and downtime
Technical FAQs
What is the primary purpose of the 190501-11-00-04?
It is designed to measure vibration velocity on rotating machinery for condition monitoring and equipment protection.
Which types of equipment commonly use this sensor?
Cooling tower fans, industrial blowers, heat exchangers, ventilation systems, and other low-speed rotating machinery.
Can it be integrated into machinery protection systems?
Yes. It is frequently used with industrial monitoring and machinery protection platforms.
Is the sensor suitable for continuous operation?
Yes. It is designed for permanent installation and continuous industrial service.
Why is the Velomitor CT series used for low-speed machinery?
The sensor provides excellent low-frequency response, allowing accurate vibration monitoring of equipment operating at relatively low rotational speeds.
Conclusion
The Bently Nevada 190501-11-00-04 Velomitor CT Velocity Sensor is a reliable and proven vibration monitoring solution for low-speed industrial machinery. With its rugged stainless-steel construction, precise low-frequency response, and compatibility with advanced machinery protection systems, it provides valuable condition monitoring data that helps improve equipment reliability, reduce downtime, and support predictive maintenance strategies across a wide range of industrial applications.