EPRO PR6423/003-030-CN CON021 Eddy Current Vibration Sensor – PR6423 Series
When a critical rotating machine loses its vibration monitoring capability, the consequences are immediate and severe: undetected shaft imbalance, bearing wear, or rotor misalignment can escalate within minutes into catastrophic mechanical failure, unplanned downtime, and costly production losses. In high-stakes environments such as power generation turbines, compressor trains, and large pumping stations, the absence of a reliable vibration sensor is not merely an instrumentation gap — it is a direct threat to plant safety and operational continuity. The EPRO PR6423/003-030-CN CON021 eddy current vibration sensor is engineered precisely to eliminate that risk.
Within the EPRO PR6423 series — one of the most widely deployed eddy current sensor families in global turbomachinery protection — the PR6423/003-030-CN transducer paired with the CON021 signal conditioner represents a precision-matched system optimized for shaft radial vibration and position measurement. Trusted by OEMs and end-users across power, oil & gas, and petrochemical industries worldwide, this combination delivers the measurement accuracy and long-term stability demanded by API 670-compliant machinery protection systems.
Technical Specifications
- Part Number: PR6423/003-030-CN CON021
- Manufacturer: EPRO (part of Baker Hughes / Bently Nevada ecosystem)
- Series: PR6423
- Sensor Type: Eddy Current (Non-contact) Vibration & Position Transducer
- Probe Tip Diameter: 8 mm (PR6423/003 series)
- Cable Length: 030 = 3.0 m integral cable
- Target Material: CN = Conductive non-magnetic (standard steel shafts)
- Conditioner: CON021 — dedicated signal conditioner for PR6423 probes
- Measurement Range: Typically 0–2 mm (probe-dependent; verify with conditioner datasheet)
- Output Signal: -24 VDC bias voltage, proportional to gap distance
- Frequency Response: DC to ≥10 kHz
- Operating Temperature: -40°C to +120°C (probe); -20°C to +70°C (conditioner)
- Protection Rating: IP67 (probe)
- Compliance: API 670, CE
- Weight: Approx. 4.46 kg (packaged)
Key Features & Benefits
- Non-contact measurement — zero mechanical wear, unlimited service life on the sensing element
- High linearity & sensitivity — consistent output across the full measurement range for accurate vibration amplitude readings
- Matched probe-conditioner system — PR6423/003-030-CN and CON021 are factory-calibrated as a pair, eliminating field calibration errors
- Wide frequency bandwidth — captures both slow-roll runout and high-frequency vibration events
- Robust industrial construction — stainless steel probe body, hermetically sealed, suitable for oil mist and high-humidity environments
- API 670 compliant — drop-in compatible with most turbomachinery protection system architectures
- Direct replacement — compatible with Bently Nevada 3300 XL 8mm probe systems in many installations
Industry & Equipment Applications
- Power Generation: Steam turbines, gas turbines, hydro generators — shaft radial vibration monitoring
- Oil & Gas: Centrifugal compressors, expanders, pipeline pumps — API 670 protection loops
- Petrochemical: Reactor agitators, large process pumps — continuous condition monitoring
- Marine & Offshore: Propulsion shaft monitoring, auxiliary machinery protection
- Pulp & Paper / Steel Mills: High-speed rolls, ID/FD fans — predictive maintenance programs
- Water & Wastewater: Large vertical pumps, blowers — bearing health monitoring
System Integration & Compatible Parts
The PR6423/003-030-CN CON021 integrates seamlessly with leading machinery protection and condition monitoring platforms:
- EPRO MMS6000 / MMS3000 series machinery monitoring systems
- Bently Nevada 3500 / 3300 series rack systems (with appropriate I/O modules)
- Emerson AMS 6500 machinery health monitor
- Compatible extension cables: CON011, CON031 series (verify impedance matching)
- Mounting accessories: EPRO standard probe holders, M8 thread adapters
- Related probes: PR6423/001, PR6423/002, PR6423/004 (different tip diameters/cable lengths)
Our Quality Assurance Process
At Konmask.com, every EPRO PR6423/003-030-CN CON021 unit undergoes a rigorous multi-stage verification process before shipment:
- ✅ Authenticity verification — serial number and label cross-checked against manufacturer records
- ✅ Visual inspection — probe tip, cable jacket, connector pins, and conditioner housing examined for damage
- ✅ Functional bench test — output voltage linearity verified against a calibrated steel target
- ✅ Documentation package — original datasheet, calibration certificate (where available), and packing list included
- ✅ Secure packaging — anti-static foam, moisture barrier, and shock-resistant outer carton for international shipping
How to Order
- Submit your inquiry via the “Request a Quote” button on this page or email support@konmask.com
- Provide your required quantity, delivery timeline, and destination country
- Receive a formal quotation with lead time and shipping options within 24 business hours
- Confirm order and receive proforma invoice; payment via T/T, PayPal, or trade assurance
- Shipment via DHL / FedEx / UPS with full tracking; export documentation provided
Why Choose Konmask.com?
- 🌐 Global B2B supplier specializing in industrial automation and control system components
- 📦 In-stock & sourcing capability — both shelf stock and procurement for hard-to-find parts
- 🔒 Authenticity guaranteed — no counterfeit, no refurbished-as-new misrepresentation
- ⚡ Fast response — dedicated technical sales team responds within 24 hours
- 📋 Full documentation — datasheets, certificates, and export paperwork included
- 🤝 Long-term partnership — trusted by MRO teams, EPC contractors, and OEM service centers worldwide
Frequently Asked Questions
Q: Is the PR6423/003-030-CN CON021 a matched set or sold separately?
A: The PR6423/003-030-CN (probe + cable) and CON021 (signal conditioner) are sold as a matched, factory-calibrated system. Mixing with other conditioner models will affect calibration accuracy.
Q: Can this sensor replace a Bently Nevada 3300 XL 8mm probe?
A: In many installations, yes — the PR6423/003 shares the same 8mm tip diameter and similar sensitivity. However, always verify the conditioner output range and bias voltage compatibility with your monitoring system before substitution.
Q: What does “CN” mean in the part number?
A: “CN” designates the target material calibration — Conductive Non-magnetic, optimized for standard carbon steel or alloy steel shafts. For stainless steel or titanium shafts, a different calibration suffix is required.
Q: What is the lead time for this part?
A: Lead time depends on current stock. Please submit an inquiry for real-time availability. In-stock orders typically ship within 3–5 business days internationally.
Q: Do you provide a warranty?
A: Yes. We offer a 90-day warranty against manufacturing defects on all genuine parts. Warranty claims are handled directly by our technical support team.
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