EPRO PR6423/002-010 CON021 Eddy Current Proximity Sensor | Replacement, Equivalent & Selection Guide
The EPRO PR6423/002-010 CON021 is a high-precision eddy current proximity sensor designed for non-contact displacement and vibration measurement in industrial rotating machinery monitoring systems. Widely used in turbine, compressor, and generator protection systems, this sensor is part of the EPRO PR6423 series and is compatible with the CON021 signal conditioner.
Technical Specifications
- Model: PR6423/002-010
- Conditioner: CON021
- Brand: EPRO (Emerson)
- Sensor Type: Eddy Current / Inductive Proximity
- Measurement: Non-contact displacement & vibration
- Cable Length: 2 m (extension cable configurable)
- Tip Diameter: Ø 8 mm
- Measuring Range: 0–2 mm (linear range)
- Output Signal: -24 VDC (via CON021 conditioner)
- Operating Temperature: -40°C to +120°C (sensor tip)
- Protection Class: IP67
- Thread: M10 × 1
- Target Material: Steel / Ferromagnetic metals
- Compliance: API 670 compatible
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as replacements or equivalents for the EPRO PR6423/002-010 CON021. Always verify electrical and mechanical compatibility before substitution:
- EPRO PR6423/002-030 – Same sensor, 3 m cable variant
- EPRO PR6423/002-060 – Same sensor, 6 m cable variant
- Bently Nevada 330101-00-06-10-02-00 – 3300 XL 8 mm proximity sensor, functionally equivalent with CON021-compatible conditioner
- Bently Nevada 330130-040-00-00 – 3300 XL extension cable, used in conjunction
- Metrix ST5484E – Eddy current proximity sensor, API 670 compliant alternative
- Wilcoxon Research 786A – Proximity transducer system, cross-reference for vibration monitoring
Note: Cross-reference compatibility must be confirmed against your specific conditioner and monitoring system. Contact [email protected] for application-specific guidance.
Why Choose the Original EPRO PR6423/002-010 CON021
- Factory-calibrated and matched to CON021 conditioner for guaranteed linearity
- Certified API 670 compliance for machinery protection systems
- Proven reliability in critical turbomachinery environments
- Full traceability and OEM documentation available
- Minimizes re-commissioning risk vs. third-party alternatives
Typical Applications
- Steam and gas turbine shaft displacement monitoring
- Centrifugal compressor radial vibration measurement
- Generator rotor position sensing
- Pump and fan bearing proximity monitoring
- API 670 machinery protection systems
- Predictive maintenance and condition monitoring platforms
System Compatibility
The PR6423/002-010 is designed to operate with the EPRO CON021 signal conditioner and integrates seamlessly with:
- EPRO MMS 6000 / MMS 6350 machinery monitoring systems
- Emerson AMS 6500 ATG machinery health monitor
- Bently Nevada 3500 series (with appropriate conditioner adapter)
- Third-party DCS/PLC systems accepting -24 VDC proximity output
Selection Guide
Use the table below to select the correct PR6423 variant for your application:
- PR6423/002-010 – 2 m cable, standard range (0–2 mm) → General turbomachinery
- PR6423/002-030 – 3 m cable → Extended reach installations
- PR6423/002-060 – 6 m cable → Remote sensor head mounting
- PR6423/004-xxx – 4 mm tip variant → Compact bearing housings
- PR6423/010-xxx – 10 mm tip variant → Large shaft / high-gap applications
Key selection parameters: cable length, tip diameter, target material, and conditioner model. Contact us if your application requires a non-standard configuration.
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels
- Pre-shipment inspection: visual, dimensional, and functional checks
- Original packaging and documentation preserved where available
- Batch traceability records maintained
- 30-day return policy for verified non-conforming units
How to Order
- Confirm your part number: EPRO PR6423/002-010 CON021
- Specify quantity and required delivery timeline
- Submit your inquiry via [email protected] or add to cart directly
- Receive order confirmation with lead time and shipping details within 24 hours
- Expedited shipping available for critical plant shutdowns
Replacement & Compatibility FAQ
Q: Can I use PR6423/002-010 with a Bently Nevada 3500 system?
A: Not directly. The CON021 conditioner output (-24 VDC) must be matched to the 3500 monitor input card. An interface adapter or signal converter may be required. Contact us for details.
Q: Is the PR6423/002-010 interchangeable with PR6423/002-030?
A: Yes, electrically and mechanically identical — only cable length differs. Ensure your installation allows the longer cable routing.
Q: What is the difference between PR6423 and PR6424?
A: PR6424 is the high-temperature variant rated up to +177°C at the sensor tip, suitable for hot section turbine applications.
Q: Can this sensor measure non-ferromagnetic targets (aluminum, titanium)?
A: The PR6423 is optimized for ferromagnetic steel targets. For non-ferromagnetic materials, consult EPRO for calibration factors or consider the PR6426 series.
Q: Do you provide calibration certificates?
A: Yes, calibration documentation is available upon request for new units. Contact [email protected].
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