EPRO PR6423/002-000+CON021 Eddy Current Sensor – Proximitor Seismic System
When a critical rotating machine loses its vibration monitoring capability, the consequences are immediate and severe: undetected shaft displacement, catastrophic bearing failure, unplanned downtime, and in worst cases, complete turbine or compressor destruction. In high-stakes industrial environments — power generation, petrochemical processing, offshore platforms — a single failed proximity sensor can trigger a cascade of failures costing hundreds of thousands of dollars per hour. The EPRO PR6423/002-000+CON021 eddy current sensor system exists precisely to prevent this scenario, providing continuous, non-contact measurement of shaft position and vibration with the reliability that critical machinery demands.
The PR6423/002-000+CON021 is a complete proximity measurement system comprising the PR6423/002-000 eddy current probe paired with the CON021 signal conditioning extension cable. Within EPRO’s renowned PR6423 series — the industry benchmark for machine protection instrumentation — this configuration is engineered for medium-range displacement measurement in demanding environments. Trusted by OEMs and end-users across more than 100 countries, EPRO proximity systems are specified by major turbine manufacturers including GE, Siemens, MAN, and Solar Turbines, making this model one of the most globally deployed vibration sensing solutions in industrial automation.
Technical Specifications
- Brand: EPRO (Baker Hughes / Bently Nevada compatible)
- Part Number: PR6423/002-000+CON021
- Sensor Type: Eddy Current Proximity Probe
- Series: PR6423 Proximitor Seismic System
- Measurement: Non-contact shaft displacement & vibration
- Probe Cable Length: 2 m (standard configuration)
- Extension Cable: CON021 (integral signal conditioner)
- Output Signal: -24 VDC nominal (compatible with standard monitors)
- Target Material: Steel / Stainless Steel shafts
- Operating Temperature: -35°C to +120°C (probe tip)
- Protection Rating: IP67 (probe body)
- Connector Type: Standard EPRO coaxial
- Weight: Approx. 800 g (complete assembly)
- Compliance: CE, ATEX (consult datasheet for zone classification)
Note: All specifications are based on published EPRO documentation. Contact us to confirm exact parameters for your application.
Key Features & Benefits
- Non-Contact Measurement: Zero mechanical wear — sensor never touches the rotating shaft, ensuring indefinite service life under normal conditions.
- High Sensitivity & Linearity: Delivers precise, repeatable displacement readings critical for API 670 compliant machinery protection systems.
- Integrated CON021 Extension: The matched extension cable maintains signal integrity over distance, eliminating the need for separate signal conditioners in most installations.
- Wide Temperature Range: Performs reliably from sub-zero cold-start conditions to high-temperature turbine environments.
- Drop-in Replacement Compatibility: Dimensionally and electrically compatible with existing PR6423 series installations — minimizes downtime during maintenance replacement.
- Robust Industrial Construction: Stainless steel probe body with IP67 sealing withstands oil mist, coolant splash, and high-vibration environments.
Industry & Equipment Applications
- Power Generation: Steam turbines, gas turbines, hydro generators — shaft radial vibration and axial position monitoring
- Oil & Gas: Centrifugal compressors, expanders, pipeline pumps — API 670 machinery protection
- Petrochemical: Process compressors, reactor agitators, critical pump trains
- Marine & Offshore: Propulsion turbines, generator sets, LNG compressor trains
- Steel & Metals: Rolling mill drives, blast furnace blowers, continuous caster drives
- Pulp & Paper: High-speed paper machine rolls, refiner drives
System Integration & Compatible Parts
The PR6423/002-000+CON021 integrates directly with EPRO and Bently Nevada machinery protection monitors. Typical compatible system components include:
- EPRO MMS6110 / MMS6120 Vibration Monitor Modules
- Bently Nevada 3500/42M Proximitor Monitor
- EPRO PR9268 Series Seismic Velocity Sensors (complementary)
- EPRO CON011 / CON021 / CON031 Extension Cable Series
- DIN rail mounting accessories and junction boxes for PR6423 series
Contact our technical team to verify compatibility with your specific monitor rack and installation requirements.
Our Quality Assurance Process
At Konmask.com, every EPRO component passes through a rigorous 4-step verification process before shipment:
- Step 1 — Source Verification: We procure exclusively from authorized distributors and verified OEM surplus channels. Each unit’s provenance is documented.
- Step 2 — Physical Inspection: Trained technicians inspect connector integrity, cable sheathing, probe tip condition, and label authenticity against EPRO factory standards.
- Step 3 — Functional Testing: Where applicable, sensors are bench-tested for output signal linearity and impedance characteristics prior to packaging.
- Step 4 — Secure Packaging: Units are packed in anti-static, moisture-barrier packaging with full documentation including test records and certificate of conformance.
How to Order
- Submit your inquiry via the Contact / Quote Request form on this page or email support@konmask.com
- Provide your required quantity, delivery timeline, and destination country
- Our team responds within 24 business hours with availability confirmation and pricing
- Upon order confirmation, we issue a proforma invoice and arrange shipment via DHL / FedEx / UPS with full tracking
- Export documentation (commercial invoice, packing list, COO) provided for all international orders
Why Choose Konmask.com?
- ✅ Specialist Focus: 100% dedicated to industrial automation components — we speak your engineering language
- ✅ Verified Inventory: Every part physically inspected before listing — no phantom stock
- ✅ Global Shipping: Serving customers in 60+ countries with full export documentation
- ✅ Technical Support: Pre-sales application guidance from engineers with field experience
- ✅ Competitive Lead Times: Most in-stock items ship within 3–5 business days
- ✅ Trusted by Industry: Repeat customers from power utilities, EPC contractors, and MRO teams worldwide
Frequently Asked Questions
Q: Is the PR6423/002-000+CON021 a new or refurbished unit?
A: We stock both new-in-box and professionally refurbished units. Condition is clearly stated in your quotation. All refurbished units carry a 90-day functional warranty.
Q: Can this sensor replace a Bently Nevada 330101 or 330103 proximity probe?
A: The PR6423 series uses EPRO’s signal conditioning standard. Direct electrical interchangeability with Bently Nevada probes depends on your monitor type. Please contact us with your monitor model for a compatibility assessment.
Q: Do you provide a certificate of conformance?
A: Yes. A certificate of conformance and inspection record is included with every shipment upon request.
Q: What is the minimum order quantity?
A: We supply single units as well as bulk orders. No minimum order quantity applies.
Q: Can you source other PR6423 variants (different cable lengths)?
A: Yes. We can source the full PR6423 series including 5 m, 9 m, and custom cable length configurations. Submit your part number for a quote.
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