The EPRO PR6423/025-110 delivers precise non-contact measurement for critical machinery protection. This eddy current sensor accurately monitors vibration, position, and eccentricity of rotating shafts in turbines and compressors. It serves as a key component within the reliable EPRO MMS 6000 monitoring system, providing essential data for operational safety.
Core Measurement Technology and Signal Output
This sensor operates by generating a high-frequency electromagnetic field at its probe tip. When a conductive target approaches, eddy currents change the probe’s impedance in a linear relationship to distance. The PR6423/025-110 therefore produces a stable DC voltage signal directly proportional to the gap between the probe and its target.
The specific suffix /025-110 defines its exact electrical characteristics and connector configuration. This sensor requires pairing with a compatible CON series oscillator and converter unit for full functionality within the monitoring framework.
Physical Construction and Environmental Durability
Engineers value the EPRO PR6423 series for its robust industrial design featuring a stainless steel housing and probe body. The sensor’s compact form factor allows for installation in confined spaces near bearing housings or shaft lines. Its integrated high-temperature cable withstands the demanding environments found in power generation and heavy industry.
Furthermore, the sensor contains no internal batteries or complex energy storage components, ensuring maintenance-free operation. Its design guarantees long-term measurement stability across a wide operating temperature range.
Detailed Technical Specifications Table
| Parameter Category | Specification |
|---|---|
| Manufacturer | EPRO (Baker Hughes) |
| Model Number | PR6423/025-110 |
| Product Series | PR 6423 / MMS 6000 |
| Sensor Type | Non-Contact Eddy Current Displacement |
| Primary Measurement | Vibration, Axial Position, Radial Clearance |
| Operating Principle | Eddy Current / Inductive |
| Typical Output Range | -2 to -18 V DC (Linear) |
| Target Material | Ferrous and Non-Ferrous Conductors |
| Probe Diameter | 8 mm (Standard) |
| Cable Type | Integral High-Temperature Cable |
| Cable Length | Defined by suffix (e.g., 5 meters) |
| Connector Type | MIL-C-5015 or equivalent (specified by suffix) |
| Linear Range | Approximately 2 mm (dependent on setup) |
| Sensitivity | 8.0 V/mm (Typical, with CON converter) |
| Frequency Response | 0 to 10 kHz |
| Operating Temp. (Probe) | -35°C to +150°C |
| Housing Material | Stainless Steel AISI 303 |
| Ingress Protection | IP67 (Probe Tip) |
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 150 × 100 × 50 mm |
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