Overview
The CON021 + PR6423/011-110-CN is an eddy current measurement system designed for non-contact monitoring of shaft displacement, eccentricity, and vibration. It combines a PR6423 proximity sensor with a CON021 signal converter, which processes the sensor signal for use in machinery monitoring applications. The configuration provides a 2 mm (80 mils) measurement range and supports dynamic and static shaft measurements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | CON021 + PR6423/011-110-CN |
| Brand | Emerson Epro |
| Product Type | Eddy Current Measurement System |
| Signal Converter Model | CON021 |
| Sensor Model | PR6423/011-110-CN |
| Measurement Range | 2 mm (80 mils) |
| Converter Frequency Range | 0 to 20,000 Hz |
| Converter Power Supply | -23 to -32 VDC |
| Converter Operating Temperature | -30 to +100 deg C (-22 to +212 deg F) |
| Converter Protection Class | IP20 |
| Converter Weight | Approximately 120 g |
| Sensor Operating Temperature | -35 to +180 deg C (-31 to +356 deg F) |
| Sensor Protection Class | IP66 |
| Sensor Material | Stainless steel with PEEK sensor tip |
| Standard Sensor Cable Length | 1 m |
| Converter Certifications | ATEX, IECEx, CSA, as listed in the supplied specifications |
Measurement Function
The PR6423/011-110-CN uses eddy current sensing to detect changes in the distance between the probe tip and a conductive shaft surface. This non-contact method supports shaft displacement and eccentricity measurements without mechanical contact between the sensor and the rotating component.
The CON021 signal converter conditions the probe signal for measurement and monitoring. Its specified frequency range extends to 20,000 Hz, allowing it to handle signals across a broad frequency range. The actual measurement bandwidth and output characteristics depend on the applicable system configuration.
Environmental and Installation Considerations
The sensor and converter have different environmental ratings. The PR6423 probe has an IP66 protection rating and a listed operating temperature range up to +180 deg C, while the CON021 converter has an IP20 rating and an operating temperature range up to +100 deg C. These ratings apply to the individual components, not to the complete assembly as a single enclosure.
The standard sensor cable length is 1 m, with extended lengths listed as available options. Confirm the required probe, cable, and converter configuration before ordering, particularly when replacing an installed measurement system.
Frequently Asked Questions
Q: What does the CON021 + PR6423/011-110-CN system measure?
A: It supports non-contact measurement of shaft displacement, eccentricity, and vibration-related movement. The probe detects changes in the gap between its tip and a conductive target, while the converter processes the sensor signal.
Q: Can the sensor operate at the same temperature as the converter?
A: No. The listed sensor operating range is -35 to +180 deg C, while the CON021 converter range is -30 to +100 deg C. Each component must remain within its own specified operating limits.
Q: Are extended sensor cable lengths available?
A: Extended cable lengths are listed as options in the supplied information. Confirm the required cable length and its suitability for the specific probe and converter configuration before purchase.
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