Description
- EPRO PR6423/000-030+CON021 | Genuine Turbomachinery Kit
2. Unboxing & Physical Snapshot
- Brand & Model: EPRO PR6423/000-030 + CON021
- Product Category: Eddy Current Displacement Sensor System with Signal Converter
- Application: Non-contact shaft displacement monitoring package for critical rotating equipment, including steam turbines, gas turbines, compressors, pumps, and fans. The system combines the PR6423 8 mm eddy current sensor with the CON021 signal converter for radial/axial displacement, position, eccentricity, and speed measurement.
- Approximate Physical Dimensions:
- PR6423 Sensor: 8 mm probe tip diameter; approximately 1 m integral sensor cable
- CON021 Converter: Approx. 56 × 50.8 × 72 mm
- Total package footprint: Depends on cable coil and export packaging method
- Estimated Shipping Weight: Approximately 0.25-0.4 kg including protective packaging.
- Sensor with 1 m cable: approximately 100 g
- CON021 converter: approximately 120 g
- What’s in the Box:
- EPRO PR6423/000-030 eddy current probe
- EPRO CON021 signal converter
- Sensor cable and connector interface
- Mounting hardware where applicable
- Product identification labels
- ESD-safe protective packaging
- Documentation when supplied with OEM shipment
3. Product Introduction
High-speed rotating machinery cannot tolerate inaccurate shaft measurements. The EPRO PR6423/000-030 combined with CON021 forms a non-contact eddy current measurement chain designed for machinery protection applications where radial displacement, axial position, and vibration monitoring must remain stable under severe operating conditions. The PR6423 sensor uses an 8 mm sensing tip and operates with the CON021 converter to provide a conditioned output signal for monitoring systems.
This assembly is a calibrated measurement system, not a collection of interchangeable parts. Probe type, cable characteristics, target material, and converter selection affect measurement accuracy. Inspect the stainless-steel probe body, PTFE cable jacket, LEMO connector, and converter terminal block before installation (small connector defects can create unstable vibration readings during startup).
4. Core Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | EPRO |
| Model Number | PR6423/000-030 + CON021 |
| Product Type | Eddy Current Displacement Monitoring System |
| Sensor Type | 8 mm non-contact eddy current probe |
| Converter Type | CON021 Signal Converter |
| Measurement Application | Shaft displacement, vibration, position, eccentricity, speed |
| Sensor Measurement Range | 2 mm (80 mils) |
| Initial Air Gap | 0.5 mm (20 mils) |
| Sensitivity | 8 V/mm (203.2 mV/mil) |
| Sensor Cable Length | Approximately 1 m integral cable |
| Target Material | 42CrMo4 ferromagnetic steel (standard calibration target) |
| Minimum Shaft Diameter | Approximately 25 mm |
| Sensor Protection Rating | IP66 |
| Sensor Operating Temperature | -35°C to +180°C (sensor and cable dependent) |
| Sensor Tip Material | PEEK |
| Sensor Housing Material | Stainless steel |
| Converter Frequency Response | 0 to 20 kHz (-3 dB) |
| Converter Rise Time | <15 µs |
| Converter Output Range | -4 V to -20 V |
| Converter Supply Voltage | -23 V to -32 VDC |
| Converter Housing Material | LMgSi 0.5 F22 aluminum alloy |
| Converter Protection Class | IP20 |
| Converter Weight | Approx. 120 g |
EPRO PR6423/000-030+CON021
5. Global Compliance & Industry Certifications
Expected regulatory approvals and compliance considerations for this machinery monitoring system may include:
- CE Mark for applicable electromagnetic compatibility requirements.
- UL/cUL evaluation where installed as part of approved industrial monitoring assemblies.
- ATEX/IECEx options when used with certified hazardous-area machinery monitoring configurations.
- Marine approvals such as DNV GL where installed on certified offshore or vessel rotating equipment.
ATEX/IECEx compliance matters because turbine and compressor installations may operate near combustible gases or vapors. The complete approved measurement chain—including probe, converter, barriers, wiring, and enclosure—must maintain the certified protection method.
Verify specific lot certifications with OEM.
6. Long-Term Storage & Asset Preservation Guide
- Store the PR6423 sensor and CON021 converter in original anti-static packaging until installation. Protect the LEMO connector and terminal interfaces from dust and moisture.
- Maintain warehouse humidity below 60% RH. Long-term exposure to moisture can degrade connector contacts and internal PCB surfaces.
- Inspect inventory every 12-24 months. Check the probe tip, cable jacket, converter housing, mounting screws, and identification labels (asset traceability failures often occur during long-term spare storage).
7. Physical Installation Prerequisites
- Verify the PR6423 probe and CON021 converter are configured as a matched system before replacement.
- Install the converter inside a clean instrument cabinet or protected enclosure.
- Maintain approximately 50 mm clearance around the converter where possible to support convection cooling and maintenance access.
- Verify -24 VDC supply polarity before energizing.
- Use proper shield grounding practices for eddy current sensor wiring.
- Keep sensor cables separated from high-current motor cables and variable-frequency drive wiring.
- Confirm probe mounting gap adjustment according to the machinery monitoring procedure before operation.
8. Buyer’s FAQ (Logistics & Compliance Focus)
Q: What HS Tariff Code is commonly reviewed for the EPRO PR6423/000-030+CON021?
A: This type of sensor and converter package may be evaluated under HS classifications for electrical measuring instruments, sensor assemblies, or control equipment components. The final HS code depends on destination-country customs interpretation and declared function.
Q: Does Country of Origin (COO) documentation affect this EPRO spare?
A: Yes. COO information supports customs clearance, supplier audits, and machinery protection asset records. Keep OEM labels, serial information, and receiving inspection reports with the spare inventory file.
Q: Should shipping insurance be purchased for this sensor system?
A: Yes. The probe tip, precision connector, and electronic converter require careful handling. Use ESD protection, impact-resistant packaging, and declared-value insurance for international transport.
Q: Does the PR6423/000-030+CON021 include the latest firmware pre-loaded?
A: No. The PR6423 probe is a passive sensing element and the CON021 is an analog signal converter; neither functions as a firmware-based controller. System performance depends on correct calibration, sensor compatibility, and the connected machinery monitoring platform.
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