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The Bently Nevada 330750-20-CN Velocity Sensor Module is a high-temperature velocity monitoring sensor designed for demanding industrial machinery applications. As part of the High Temperature Velomitor system, this sensor provides reliable vibration velocity measurement for equipment operating in environments where conventional vibration sensors may face temperature limitations.

The 330750-20-CN features a separated sensing element and signal conditioning design, allowing the sensing head to be installed in high-temperature areas while protecting sensitive electronics in a cooler location. This configuration improves measurement reliability and extends application possibilities in power generation, petrochemical, and heavy industrial environments.

Designed for continuous machinery condition monitoring, the sensor delivers stable vibration data for turbines, compressors, and other critical rotating assets where accurate diagnostics and equipment protection are essential.

Technical Specifications & Product Information

The Bently Nevada 330750-20-CN combines high-temperature capability with reliable velocity measurement performance for industrial monitoring applications.

Specification	Details
Manufacturer	Bently Nevada
Model Number	330750-20-CN
Product Type	High Temperature Velocity Sensor Module
Sensor Series	High Temperature Velomitor System
Measurement Type	Vibration Velocity
Sensor Design	Separated Sensing Element and Signal Conditioning Electronics
Connection Type	Integrated Cable Design
High Temperature Capability	Sensing Head Up to Approx. 400°C
Frequency Response	Approx. 15 Hz to 2000 Hz
Sensitivity	Approx. 5.7 mV/mm/s
Cable Length Capability	Up to 305 m
Approval Configuration	CN Option
Installation Type	Machinery Condition Monitoring
Product Dimensions	Approx. 170 × 50 × 40 mm
Product Weight	Approx. 0.45 kg

The separated sensor architecture helps reduce the impact of high operating temperatures on electronics, making the 330750-20-CN suitable for specialized industrial monitoring locations.

Recommended Related Models

The following Bently Nevada models can be considered for different vibration monitoring requirements:

Model	Description
Bently Nevada 330750-20	High Temperature Velomitor Velocity Sensor
Bently Nevada 330752 Series	High Temperature Velomitor Alternative Configuration
Bently Nevada 330500	Standard Velomitor Piezo-Velocity Sensor
Bently Nevada 330525	Velomitor XA Piezo-Velocity Sensor
Bently Nevada 3500 Series	Machinery Protection System

These models provide flexible options for standard vibration monitoring, high-temperature applications, and complete machinery protection solutions.

Popular Bently Nevada Product Models

Bently Nevada provides a broad range of industrial monitoring products designed to improve equipment reliability and support predictive maintenance strategies.

Model Series	Product Category
330750 Series	High Temperature Velocity Sensor
330500 Series	Velocity Monitoring Sensor
3300 XL Series	Proximity Measurement System
3500 Series	Machinery Protection Platform
3300 Series Sensors	Industrial Monitoring Components

These product families are widely applied in industries requiring continuous vibration monitoring and advanced equipment protection.

Applications

High Temperature Turbine Monitoring

The 330750-20-CN is suitable for turbine applications where vibration measurement is required near high-temperature machine surfaces.

Power Generation Equipment

Used for monitoring steam turbines, generators, and other rotating equipment requiring reliable vibration analysis.

Petrochemical Machinery

Supports vibration monitoring of compressors, pumps, and process equipment operating in demanding environments.

Industrial Rotating Equipment

Provides velocity measurement for motors, gearboxes, and heavy machinery requiring continuous condition monitoring.

Critical Asset Protection Systems

Works as part of machinery monitoring solutions designed to detect abnormal vibration conditions and support maintenance decisions.

Advantages of Bently Nevada 330750-20-CN

High Temperature Operation Capability

The separated sensing design allows installation in areas with elevated temperatures while keeping signal electronics protected.

Reliable Vibration Measurement

The sensor provides stable velocity output for accurate machinery condition evaluation.

Durable Industrial Construction

Designed for harsh operating environments, the sensor supports long-term performance in critical applications.

Flexible Installation Options

The system design allows greater installation freedom between the sensing location and monitoring electronics.

Improved Equipment Reliability

Accurate vibration monitoring helps operators identify equipment changes earlier and improve maintenance planning.

Suitable for Critical Machinery

The sensor is optimized for applications where vibration data quality and operational reliability are essential.

Technical FAQs – Bently Nevada 330750-20-CN

1. What is the Bently Nevada 330750-20-CN?

The 330750-20-CN is a high-temperature velocity sensor module designed for industrial vibration monitoring applications.

2. What does the 330750 series measure?

It measures machinery vibration velocity for condition monitoring and equipment protection.

3. What makes the 330750 series suitable for high-temperature environments?

The sensing element and signal conditioning electronics are separated, allowing the sensing head to operate in higher temperature locations.

4. What is the maximum sensing head temperature?

The sensing head can be installed on surfaces with temperatures up to approximately 400°C.

5. What equipment commonly uses this sensor?

It is commonly used with turbines, compressors, generators, pumps, and other rotating machinery.

6. What type of vibration measurement does it provide?

It provides vibration velocity measurement for machinery condition monitoring.

7. What is the approximate weight of the 330750-20-CN?

The approximate product weight is around 0.45 kg.

8. Why use a high-temperature velocity sensor?

It allows vibration monitoring in locations where standard sensors may not withstand operating temperatures.

9. What industries commonly use this sensor?

It is commonly applied in power generation, oil and gas, petrochemical, and heavy industrial sectors.

10. Why choose Bently Nevada 330750-20-CN?

The 330750-20-CN combines high-temperature capability, reliable vibration measurement, and industrial durability, making it a dependable solution for critical machinery monitoring applications.

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