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24584-03-01

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The 24584-03-01 is a Bently Nevada 3300 XL 8mm proximity probe, typically featuring a 5mm or 8mm tip, 1-meter total length, and standard coaxial connector for vibration monitoring.
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Technical specifications for 24584-03-01

  • Manufacturer:
    Bently Nevada
  • Part Number:
    24584-03-01
  • Product Family:
    3300 XL 8 mm Probe
  • Product Type:
    proximity probe
  • Linear Range:
    1.5 mm to 2.0 mm (60 to 80 mils)
  • Sensitivity:
    7.87 V/mm (200 mV/mil) or 3.94 V/mm (100 mV/mil)
  • Total Length (LO):
    0.5 m, 1.0 m, or 5.0 m
  • Unthreaded Length:
    Typically 0 mm to 50 mm (case specific)
  • Operating Temperature:
    -35°C to +200°C (-31°F to +392°F)
  • Target Material:
    4140 Steel
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    1x5x8cm
  • Tariff Code:
    8479899990
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Performance Application

Features:

  • Measures shaft vibration and position without physical contact, eliminating wear and tear on the sensor.
  • Designed for 24/7 operation in harsh industrial environments. Interchangeable with older 3300 series components.
  • Provides a highly linear voltage output (e.g., 200 mV/mil) that is proportional to the gap, enabling accurate monitoring of micron-level movements.
The 24584-03-01 utilizes eddy current technology to measure the distance between the probe tip and the rotating shaft without physical contact. This is critical for high-speed machinery where physical contact would damage the sensor or the shaft. The probe generates a high-frequency magnetic field; as the shaft moves closer or farther, the impedance changes, producing a voltage output directly proportional to the gap.

Designed for critical machinery such as steam turbines and gas compressors, the 24584-03-01 is built to operate 24/7 without failure. It is fully backward compatible with previous 3300 series monitors and Proximitors.

The probe offers exceptional linearity over its standard 2 mm (80 mil) range, typically with a sensitivity of 200 mV/mil. This high sensitivity allows the monitoring system to detect subtle changes in vibration amplitude and phase. For condition monitoring engineers, this precision is essential for identifying early-stage faults like unbalance, misalignment, or rolling element bearing defects before they lead to catastrophic failure.

The 24584-03-01 Bently Nevada Proximity Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

Bently Nevada 24584-03-01 Proximity Probe Manuals, Datasheets,Drivers,Link Important Notice:Other accessories,manuals,cables,calibration data,software,etc.are not included with this equipment unless listed in the above stock item description.All prices are shown in USD.
Bently Nevada 24584-03-01 Proximity Probe Specs

General

  • Manufacturer GE /Bently Nevada
  • Model 24584-03-01
  • Condition New Original ready stock
  • Product Family 330104-00-05-10-02-00,330104-00-12-10-02-00,330103-00-05-10-02-00
Important Notice:Other accessories,manuals,cables,calibration data,software,etc.are not included with this equipment unless listed in the above stock item description.All prices are shown in USD.
  • Large steam turbines and water turbines: Used to monitor thermal expansion or differential expansion of the shaft. When machine startup or load changes cause large axial displacements, the standard probe range is insufficient, necessitating the use of a 16mm system.
  • Hydraulic power generation units: Monitoring the radial wobble of the turbine main shaft, especially when the shaft diameter is large and the surface is irregular.
  • Heavy industrial equipment: Such as large blowers and coal mills for axial positioning monitoring.
  • Wide linear measurement range: The 16mm system typically offers a linear measurement range of 4.0 mm (160 mils), twice that of the standard 8mm system (2.0 mm).
  • High sensitivity and stability: The standard output sensitivity is typically 3.94 V/mm (100 mV/mil). Although the sensitivity value is relatively small, it maintains excellent linearity when dealing with a wide range of displacements.
  • Strong target surface adaptability: The larger probe tip makes it less sensitive to small imperfections on target surfaces (such as shoulders or keyway edges), improving the average stability of the data.
  • Differential Expansion Monitoring: During turbine startup, the rotor and casing expand at different rates due to thermal stress. The 24584 probe, installed on the casing, measures the distance from a specific rotor ramp to prevent friction between the rotor and stationary parts.
  • Large Axial Displacement Protection: When severe wear of the internal thrust bearings may occur, resulting in axial displacement exceeding 2mm, a 16mm probe is used as a last line of defense to trigger emergency shutdown protection.
  • Low-speed oscillation monitoring: In some large machines operating at low speeds, the oscillation amplitude of structural components is relatively large. A 16mm probe can ensure that the signal does not "overflow" into the linear region throughout the entire oscillation cycle.
Description
The 24584-03-01 is typically part of a high-performance eddy current transducer system. It is designed for non-contact measurement of shaft vibration, thrust position, and differential expansion in rotating machinery. The system operates on the principle of measuring changes in impedance caused by the distance between the probe tip and the conductive target.

When using the 24584-03-01, engineers benefit from a linear voltage output that is directly proportional to the gap. This model often features a standard 8 mm tip diameter, providing a linear range of approximately 2 mm (80 mils). It is backward compatible with existing 3300 series monitors.

Installation of the 24584-03-01 requires precise mounting and proper gap voltage setting. The system typically consists of the probe, extension cable, and a Proximitor sensor. It is suitable for radial vibration measurements on turbines, compressors, pumps, and electric motors.

For maintenance and troubleshooting, the 24584-03-01 offers reliable performance in harsh environments. It is often rated for temperatures up to 200°C (392°F) with standard cable options. Proper grounding and cable routing are essential to prevent electrical noise interference.
Alternative Names
330104-00-05-10-02-00 330104-00-12-10-02-00 330103-00-05-10-02-00 330130-040-01-00
Technical notes
The 24584-03-01 probe uses the eddy current principle. The output voltage changes linearly as the distance between the probe tip and the conductive target changes. This requires the target material to be magnetic (e.g., 4140 steel) for standard calibration.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can 24584-03-01 measure radial vibration on a high-speed compressor?
Yes. 24584-03-01 is designed for non-contact radial vibration measurement. It provides a linear output proportional to shaft movement, helping detect imbalance, misalignment, or bearing faults in rotating equipment.
Is 24584-03-01 compatible with existing 3300 monitors?
Yes. The 3300 XL series is backward compatible with older 3300 series monitors. You can replace existing probes without changing the Proximitor or monitor, provided the total system length matches.
What is the maximum operating temperature for 24584-03-01?
The standard version typically operates up to 120°C (248°F). If your application involves steam turbines or high-temperature zones, consider the high-temperature version rated for 200°C (392°F)
What connector type does 24584-03-01 use?
It typically uses the standard coaxial connector. For corrosive environments, an optional ClickLoc™ connector with gold plating is recommended to prevent corrosion and ensure signal integrity.