Understanding the Bently Nevada 330930-040-05-CN 3300 NSv Extension Cable for Differential Expansion Monitoring-amikonpower.com

Understanding the Bently Nevada 330930-040-05-CN 3300 NSv Extension Cable for Differential Expansion Monitoring

February 27,2025

What is the Bently Nevada 330930-040-05-CN 3300 NSv Extension Cable?
The Bently Nevada 330930-040-05-CN is a critical component of the 3300 XL 25 mm Transducer System, designed for precise differential expansion (DE) monitoring in industrial machinery. This system includes a 25 mm probe, an extension cable, and a 3300 XL 25 mm Proximitor Sensor. The extension cable plays a vital role in connecting the probe to the sensor, ensuring accurate signal transmission for monitoring the growth rates between turbine rotors and machine stators. With a linear range of 12.7 mm (500 mils) and a sensitivity of 0.787 V/mm (20 mV/mil), this system is ideal for midsize to large steam turbine generators.

Key Features and Benefits of the 330930-040-05-CN System
The 330930-040-05-CN extension cable and its associated transducer system offer several advantages:
High Sensitivity: The 0.787 V/mm output ensures precise measurement of differential expansion.
Wide Linear Range: A 12.7 mm (500 mils) range makes it suitable for large-scale applications.
Robust Design: Built to withstand harsh industrial environments, ensuring reliability and durability.
Versatility: Compatible with various mounting arrangements for differential expansion monitoring.
These features make the system an excellent choice for maintaining the health and performance of steam turbine generators.

Applications of the 3300 XL 25 mm Transducer System
The 330930-040-05-CN extension cable and its transducer system are primarily used for differential expansion (DE) monitoring in steam turbine generators. Differential expansion occurs due to the difference in thermal growth rates between the turbine rotor and the machine stator (casing). This system is essential for:
Preventing machinery damage caused by excessive thermal expansion.
Ensuring optimal performance and longevity of turbines.
Supporting predictive maintenance strategies by providing accurate DE measurements.

Typical Mounting Arrangements for Differential Expansion Monitoring
The 3300 XL 25 mm Transducer System supports several mounting configurations to suit different monitoring needs:
Two Transducers on the Same Side of a Collar: This arrangement provides a straightforward measurement of DE.
Complementary Transducers on Opposite Sides of a Collar: Doubles the measurable DE range by using two transducers observing opposite sides.
Transducers Viewing a Ramp on a Rotor: One transducer views a ramp, while the second compensates for radial movement. This setup allows for longer DE measurements but may introduce slight errors.
Each arrangement is designed to address specific monitoring challenges, ensuring accurate and reliable data collection.

Why Choose the Bently Nevada 330930-040-05-CN System?
The 330930-040-05-CN extension cable and its associated transducer system stand out for several reasons:
Proven Technology: Bently Nevada is a trusted name in machinery health monitoring.
Ease of Installation: The system is designed for straightforward integration into existing setups.
Accurate and Reliable: High sensitivity and a wide linear range ensure precise measurements.
Comprehensive Support: Backed by Bently Nevada’s technical expertise and customer service.
Whether you’re monitoring differential expansion in steam turbines or other rotating machinery, this system delivers the performance and reliability you need.

Conclusion

The Bently Nevada 330930-040-05-CN 3300 NSv Extension Cable is an essential component of the 3300 XL 25 mm Transducer System, offering unmatched precision and reliability for differential expansion monitoring. With its high sensitivity, wide linear range, and versatile mounting options, this system is ideal for maintaining the health and performance of midsize to large steam turbine generators. By investing in this advanced monitoring solution, you can enhance your predictive maintenance strategies, prevent costly machinery damage, and ensure the longevity of your equipment.

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86-18965423501

86-18965423501

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Recent models sold to the Middle East
Bently	990-05-70-02-00	Bently	84661-33
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Bently	990-04-XX-01-00	Bently	84661-17
Bently	990-04-XX-01-00	Bently	84661-17
Bently	990-04-70-02-00	Bently	84661-10
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Bently	990-04-70-01-05	Bently	84152-01
Bently	990-04-70-01-00	Bently	84147-01
Bently	990-04-70-01-00	Bently	84145-01
Bently	990-04-50-02-CN	Bently	84140-01
Bently	990-04-50-02-00	Bently	84140-01
Bently	990-04-50-02-00	Bently	82926-01
Bently	990-04-50-01-00	Bently	82367-01
Bently	990-04-50-01-00	Bently	82365-01
Bently	9200-06-05-10-00	Bently	81725-02
Bently	9200-06-05-05-00	Bently	81724-00-08-10-02
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Bently	9200-06-05-05-00	Bently	81545-01
Bently	9200-03-05-10-00	Bently	81545-01

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