Introduction
The EPRO 330102-24-10-02-05 is a specific configuration of a 5 mm Eddy Current Proximity Probe from the EPRO (Baker Hughes) machinery condition monitoring system. This sensor is designed for non-contact measurement of relative vibration and positional changes of rotating shafts, particularly in applications with space constraints.
Operating on the eddy current principle, the probe generates an electromagnetic field at its tip. When this field interacts with a conductive target (such as a machine shaft), eddy currents are induced. The sensor measures the change in the field's strength to precisely determine the distance to the target, allowing it to monitor both dynamic motion (vibration) and static position. This specific variant features a 5 mm diameter, 2 mm linear range, and a connectorized design, making it suitable for applications requiring a smaller probe size and easy installation/removal.
Parameters / Specifications
The key technical specifications for the EPRO 330102-24-10-02-05 are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 330102-24-10-02-05 |
| Product Line / Type | EPRO (Baker Hughes) 5 mm Eddy Current Proximity Probe |
| Probe Diameter | 5 mm |
| Thread Size | M8 x 1.0 |
| Sensitivity | -8.0 V/mm (± 5%) |
| Linear Range | 2.0 mm (This is a key interpretation of the -02 suffix, e.g., 1.0 mm to 3.0 mm) |
| Operating Temperature | -35°C to +150°C (-31°F to +302°F) for probe; -35°C to +120°C for cable |
| Power Supply | Provided by the connected proximitor (e.g., -24 V DC from PR 6426) |
| Output Signal | A modulated RF signal requiring a dedicated proximitor for demodulation |
| Connector Type | Military-style (MS) connector (This is a key interpretation of the -24 suffix) |
| Mounting Thread | M8x1 (This is a key interpretation of the -05 suffix) |
| Dimensions (Probe) | Body Diameter: 5 mm; Thread: M8 x 1.0; Length is application-specific |
| Weight (Probe only) | Approx. 0.07 lbs (0.03 kg) |
Note: This sensor must be used with a compatible proximitor (e.g., EPRO PR 6426) to form a complete and functional measuring chain. The -10 suffix typically specifies a standard temperature rating.
Application Scenarios
This 5 mm eddy current probe is specifically designed for applications where space is limited but precise vibration and position monitoring is still required.
Typical Application Scenarios:
Small Bore Machinery Monitoring:
Used on smaller turbines, compressors, and high-speed spindles where space constraints prevent the use of standard 8 mm probes
Tight Clearance Bearing Housings:
Installed in bearing housings with limited radial space, providing vibration monitoring for smaller diameter shafts
Precision Machinery Applications:
Suitable for monitoring high-speed precision equipment where smaller probe size is necessary to avoid affecting machine dynamics
Research and Development Testing:
Used in test stands and laboratory environments where space is limited and precise measurements are required
Industries of Use:
Aerospace (Auxiliary power units, small gas turbines)
Precision Manufacturing
Research and Development
Specialized Industrial Machinery
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