Introduction to Part 330130-045-01-05
The 330130-045-01-05 is an industrial eddy current proximity probe. It is a non-contact displacement sensor designed for high-resolution measurement of vibration and position on rotating machinery. With a 4.5mm diameter, this probe is typically used in applications where space is constrained or for monitoring smaller machinery. It operates by generating a high-frequency magnetic field; changes in the distance to a conductive target (like a shaft) alter the field, which is converted into a proportional voltage signal by a proximitor. This signal is crucial for monitoring key parameters such as shaft relative vibration, axial position, and speed.
Parameters / Specifications
The key technical parameters for the 330130-045-01-05 probe are summarized in the table below.
| Parameter | Specification | Notes / Explanation |
|---|---|---|
| Model Number | 330130-045-01-05 | 4.5mm Proximity Probe |
| Product Type | Eddy Current Displacement Sensor | |
| Sensor Diameter | 4.5 mm | A standard size for smaller machinery. |
| Probe Tip Style | Stainless Steel, Milled Flat | |
| Sensitivity | 200 mV/mil (7.87 V/mm) | Standard sensitivity for industry compatibility. |
| Linear Range | 0 to 1.5 mm (0 to 60 mils) | Typical usable range from the probe tip. |
| Frequency Response | 0 to 10,000 Hz | Suitable for measuring very high-speed vibrations. |
| Target Material | 4140 Steel (or equivalent AISI 1045/1020) | Requires a conductive, ferromagnetic target. |
| Operating Temperature | -35°C to +177°C (-31°F to +350°F) | Standard for industrial probe bodies. |
| Cable Length | Integrated, 1 meter (or specified by suffix) | Connects to a separate extension cable. |
| Electrical Connector | Military-Style (e.g., MS), 2-pin | Standard connector for industrial proximity probes. |
| Thread Size | M8 x 1 | Standard mounting thread for 4.5mm probes. |
| Dimensions (L x D) | Approx. 40mm (Length) x 4.5mm (Diameter) | Excluding the threaded portion and connector. |
| Weight | Approx. 30 - 50 grams | (Probe only) |
Application Scenarios
This 4.5mm proximity probe is used in machinery protection systems where space is limited or for monitoring smaller rotating assets.
Small Turbines and Compressors: Measuring radial vibration and axial position on smaller-sized turbomachinery where larger probes cannot fit.
High-Speed Spindles and Tooling: Monitoring runout and vibration on precision machine tool spindles, grinders, and other high-speed equipment.
Electric Motors: Used on small to medium-sized motors to monitor shaft vibration and eccentricity, especially in critical drive applications.
Gearbox Monitoring: Installed on gearboxes to measure shaft vibration and detect issues like misalignment or tooth wear.
General Purpose Vibration Monitoring: A versatile sensor for various OEM machinery and test stands requiring precise, non-contact displacement measurement.
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