Bently Nevada 330102-10-40-10-02-00 3300 XL 8 mm Proximity Probe

Company Information
E-mail		[email protected]
Mobile		+8613666033393
Whatsapp		+8613666033393
WeChat		13666033393
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Introduction
The Bently Nevada 3300 XL 8mm Proximity Probe System is a key component for machinery condition monitoring. It is designed to measure vibration and axial position (thrust) of rotating equipment by detecting the distance between the probe tip and a rotating shaft. This system is critical for protecting turbomachinery like compressors, turbines, and pumps from damage due to excessive vibration or incorrect rotor positioning.

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Product Parameters

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Product Application
This transducer is primarily used for continuous, non-contact monitoring of radial vibration and axial position on rotating shafts. It is a fundamental sensor in protection systems for critical machinery across various industries, including oil & gas, power generation, chemical processing, and water treatment. Typical assets monitored include centrifugal and axial compressors, steam and gas turbines, large pumps, and electric motors.

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FAQ

1. What is the required target material for accurate measurement?
AISI 4140 steel or a similar magnetic steel is required for optimal performance and calibration.

2. Can the probe be used to measure vibration on aluminum or stainless steel shafts?
No, not directly. The system requires a ferrous target. For non-ferrous shafts, a specially designed target spot of the correct material must be installed.

3. What is the purpose of the gap voltage?
The gap voltage (or average voltage) is the DC output representing the average distance between the probe and the shaft. It is used to monitor the steady-state position of the rotor.

4. How is the dynamic vibration signal derived?
The dynamic vibration signal is the AC component of the output voltage, which is superimposed on the DC gap voltage.

5. What is the recommended installation gap (air gap)?
The recommended installation gap is typically 1.0 mm (40 mils) within the linear range, which sets the gap voltage at approximately -10 V DC.

6. Why is proper probe grounding critical?
Improper grounding can introduce electrical noise into the signal, leading to inaccurate readings and potential false alarms in the monitoring system.

7. Can the integral cable be repaired or spliced if damaged?
No, the cable is a sealed, integral part of the transducer. If damaged, the entire probe assembly must be replaced to maintain system integrity.

8. What is the difference between this probe and a velocity sensor?
This is a non-contact displacement transducer that measures relative shaft motion. A velocity sensor is a contact-type transducer that measures absolute casing vibration.

9. What factors can cause probe output drift?
Output drift can be caused by extreme temperature fluctuations exceeding specifications, probe damage, or issues with the extension cable or proximitor.

10. Is this probe intrinsically safe for hazardous areas?
The probe itself is a passive device. Intrinsic safety is achieved through associated barriers or isolators in the connecting monitor or external apparatus.

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FAQ

1. What is the required target material for accurate measurement?
AISI 4140 steel or a similar magnetic steel is required for optimal performance and calibration.

2. Can the probe be used to measure vibration on aluminum or stainless steel shafts?
No, not directly. The system requires a ferrous target. For non-ferrous shafts, a specially designed target spot of the correct material must be installed.

3. What is the purpose of the gap voltage?
The gap voltage (or average voltage) is the DC output representing the average distance between the probe and the shaft. It is used to monitor the steady-state position of the rotor.

4. How is the dynamic vibration signal derived?
The dynamic vibration signal is the AC component of the output voltage, which is superimposed on the DC gap voltage.

5. What is the recommended installation gap (air gap)?
The recommended installation gap is typically 1.0 mm (40 mils) within the linear range, which sets the gap voltage at approximately -10 V DC.

6. Why is proper probe grounding critical?
Improper grounding can introduce electrical noise into the signal, leading to inaccurate readings and potential false alarms in the monitoring system.

7. Can the integral cable be repaired or spliced if damaged?
No, the cable is a sealed, integral part of the transducer. If damaged, the entire probe assembly must be replaced to maintain system integrity.

8. What is the difference between this probe and a velocity sensor?
This is a non-contact displacement transducer that measures relative shaft motion. A velocity sensor is a contact-type transducer that measures absolute casing vibration.

9. What factors can cause probe output drift?
Output drift can be caused by extreme temperature fluctuations exceeding specifications, probe damage, or issues with the extension cable or proximitor.

10. Is this probe intrinsically safe for hazardous areas?
The probe itself is a passive device. Intrinsic safety is achieved through associated barriers or isolators in the connecting monitor or external apparatus.

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