Overview of CON021
The EPRO CON021 is a precision signal converter developed by Emerson (formerly EPRO) for use with the PR642x series non-contact eddy current sensors. It converts the raw analog signals from the probes into standardized output signals (such as 4–20 mA or 0–10 V DC), allowing for seamless integration with control systems, protection relays, and condition monitoring platforms.
This converter is deployed across various critical applications such as steam and gas turbines, hydroelectric generators, and industrial compressors, where accurate shaft displacement and vibration measurements are essential for predictive maintenance and machine protection. Its high-frequency range and fast response time make it ideal for dynamic fault detection and high-speed applications.
The CON021 is built with a rugged design, wide operating temperature range, and an IP65-rated enclosure, ensuring reliable performance in harsh industrial environments. Furthermore, it is compatible with a wide range of sensor models, including PR6422, PR6423, PR6424, PR6425, PR6426, and PR6453, making it highly flexible and suitable for various asset types.
Overview
The PR6424/000-100 Eddy Current Sensor is engineered for high-precision absolute vibration and displacement monitoring in turbines, compressors, pumps, fans, and heavy rotating machinery. Its larger 16 mm probe diameter provides superior mechanical stability and higher measurement accuracy compared to smaller probes such as the PR6423 series, making it ideal for demanding industrial applications.
Moreover, the sensor is API 670 compliant, ensuring compatibility with global turbomachinery protection standards. In addition, its Inconel 625 corrosion-resistant housing, high pressure tolerance, and wide operating temperature range deliver long-term reliability in harsh industrial environments. Therefore, the PR6424/000-100 is extensively used in critical rotating equipment where safety, uptime, and predictive maintenance are essential.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | PR6424/000-100 |
| Sensor Type | Eddy Current Displacement Sensor |
Typical Applications
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Shaft vibration and displacement monitoring in steam, gas, and hydro turbines
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Radial/axial displacement measurement in compressors and pumps
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Gearbox and fan vibration diagnostics
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Shaft position and eccentricity monitoring in high-speed rotating machinery
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Predictive maintenance programs in power generation and petrochemical facilities
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Integration with AMS systems for complete turbomachinery diagnostics
Application (Google Sheets-Ready)
| Application Area | Description |
|---|---|
| Shaft Vibration Monitoring | Tracks radial vibration to detect imbalance, rubs, and instability |
| Axial Displacement | Protects thrust bearings with precise axial position measurement |
| Heavy-Duty Machinery | Suitable for turbines, compressors, large pumps, gearboxes |
| High Temperature/Pressure Zones | Inconel 625 housing ensures durability in harsh environments |
| AMS/CON021 Integration | Provides displacement signals for protection and diagnostics |
FAQ
Q1: What is the primary function of the PR6424/000-100 sensor?
It measures shaft vibration, axial displacement, and position using a non-contact eddy current principle.
Q2: How does it differ from the PR6423 series?
It uses a larger 16 mm probe, offering improved mechanical stability and accuracy for heavy-duty applications.
Q3: Can the sensor be used in harsh environments?
Yes. It is corrosion-resistant (Inconel 625), pressure-resistant, IP66 compliant, and operates from –35 °C to +150 °C.
Q4: Is it compatible with monitoring systems?
Yes. It integrates seamlessly with Emerson AMS systems and the CON021 converter.
Q5: Which industries typically use this sensor?
Power generation, oil & gas, petrochemical, chemical processing, and heavy industrial machinery monitoring.
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