EMERSON PR6424/006-131 CON041 Eddy Current Sensor | Replacement, Equivalent & Selection Guide
The EMERSON PR6424/006-131 CON041 is a high-precision eddy current proximity sensor designed for continuous shaft vibration and position monitoring in rotating machinery. Widely deployed in turbines, compressors, and pumps, this sensor is part of the industry-standard Bently Nevada 3300 XL series ecosystem. Whether you need an OEM replacement, a compatible equivalent, or guidance on selecting the right model for your application, this page provides everything you need.
Technical Specifications
- Manufacturer: EMERSON (Bently Nevada)
- Part Number: PR6424/006-131 CON041
- Type: Eddy Current Proximity Sensor
- Sensing Range: 0–2 mm (standard gap range)
- Cable Length: 6 m (extension cable included)
- Output Signal: -24 VDC (nominal), linear analog
- Operating Temperature: -35°C to +120°C (sensor tip)
- Frequency Response: DC to 10,000 Hz
- Sensitivity: 7.87 V/mm (200 mV/mil)
- Thread Size: M8 × 1.0
- Connector: CON041 (integral connector)
- Target Material: AISI 4140 steel (standard)
- Approvals: CE, ATEX (consult datasheet for zone ratings)
- Weight: ~300 g (with cable)
Compatible Replacement & Equivalent Models
The following models are commonly used as drop-in replacements or functional equivalents for the PR6424/006-131 CON041. Always verify gap range, sensitivity, and connector compatibility before substitution.
- EMERSON PR6424/006-010 CON021 – Same sensor body, different cable length (1 m); requires extension cable to match original reach.
- EMERSON PR6424/006-030 CON021 – 3 m cable variant; suitable when routing space is limited.
- Bently Nevada 330101-00-06-10-02-00 – 3300 XL 8 mm series; functionally equivalent with matching sensitivity and output; verify thread and mounting dimensions.
- Bently Nevada 330103-00-06-10-02-00 – 3300 XL 11 mm series; wider sensing range, suitable for larger shaft diameters.
- EPRO PR6423/010-131 – EPRO-brand equivalent; same electrical interface, compatible with most Bently Nevada monitors.
- EPRO PR6424/010-131 – Direct EPRO equivalent to the PR6424 series; widely used as a cost-effective OEM replacement.
- Metrix ST5484E – Third-party equivalent; confirm monitor compatibility before installation.
Note: Konmask.com supplies both OEM EMERSON parts and verified compatible equivalents. Contact us to confirm the best fit for your system.
Why Choose the Original Model
- OEM Guarantee: Factory-calibrated sensitivity (7.87 V/mm) ensures direct compatibility with Bently Nevada 3300 series monitors without recalibration.
- Proven Reliability: Designed for continuous 24/7 operation in harsh industrial environments — oil & gas, power generation, petrochemical.
- Regulatory Compliance: Meets API 670 standard for machinery protection systems.
- Traceability: Full OEM documentation, calibration certificates, and country-of-origin compliance available upon request.
- Warranty: Backed by EMERSON’s standard product warranty; Konmask.com provides additional sourcing documentation.
Typical Applications
- Steam and gas turbine shaft vibration monitoring
- Centrifugal compressor radial and axial position measurement
- Pump and motor bearing displacement monitoring
- Gearbox and fan shaft proximity sensing
- Critical rotating machinery in oil & gas, power, and petrochemical plants
- API 670-compliant machinery protection systems
System Compatibility
The PR6424/006-131 CON041 is designed to work within the Bently Nevada 3300 XL monitoring system ecosystem. Confirmed compatible monitors and drivers include:
- Bently Nevada 3300 XL 8 mm Proximity Transducer System
- Bently Nevada 3500/42M Proximitor I/O Module
- Bently Nevada 3500/40M Proximitor I/O Module
- EMERSON Ovation DCS (via 3500 series rack)
- Third-party DCS/PLC systems with ±24 VDC analog input cards (4–20 mA conversion module may be required)
For non-Bently Nevada monitor systems, consult Konmask.com for signal conditioning options.
Selection Guide
Use the following criteria to select the correct PR6424 variant for your application:
- Cable Length: Match the sensor-to-driver distance. PR6424/006-xxx = 6 m integral cable. Add extension cable (PR6422 series) for longer runs.
- Thread Size: M8 × 1.0 standard. Verify mounting bracket thread before ordering.
- Target Material: Optimized for AISI 4140 steel. For stainless steel or non-ferrous targets, sensitivity correction factor applies — contact us for recalibration options.
- Operating Temperature: Standard model rated to 120°C tip. High-temperature variants available for applications up to 177°C.
- Connector Type: CON041 = integral armored cable connector. CON021 = standard connector. Confirm monitor input connector before ordering.
- Certification Requirement: ATEX/IECEx zone classification must match plant area classification. Provide zone details when ordering for hazardous areas.
Quality Assurance & Sourcing
- Source: Konmask.com sources PR6424/006-131 CON041 directly from authorized distributors and verified surplus channels.
- Inspection: Every unit undergoes visual inspection and functional verification prior to shipment.
- Documentation: OEM datasheet, calibration certificate, and material traceability documentation available upon request.
- Packaging: Ships in original or equivalent anti-static protective packaging.
- Lead Time: In-stock units ship within 1–3 business days. Contact us for urgent requirements.
How to Order
- Confirm part number: PR6424/006-131 CON041
- Specify quantity and required delivery date.
- Provide end-use application details if ATEX certification documentation is required.
- Submit your order via this product page, or contact us directly for bulk pricing or urgent sourcing.
- Payment: T/T, PayPal, and major credit cards accepted. Net-30 terms available for qualified accounts.
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Replacement & Compatibility FAQ
Q: Can I use the PR6424/006-131 CON041 as a direct replacement for a Bently Nevada 330101 series sensor?
A: In most cases, yes — both share the same 7.87 V/mm sensitivity and -24 VDC output. However, verify thread size (M8 vs. 3/8-24 UNF) and cable connector type before installation.
Q: Is the EPRO PR6424/010-131 a true equivalent?
A: EPRO sensors are manufactured to the same electrical specification and are widely accepted as functional equivalents. They are compatible with Bently Nevada 3300 series monitors. Konmask.com can supply both OEM and EPRO variants.
Q: What is the difference between CON041 and CON021 connectors?
A: CON041 features an armored integral cable suitable for high-vibration and high-temperature environments. CON021 is a standard connector. Both are electrically identical; the choice depends on installation environment.
Q: Can this sensor work with a Siemens or ABB DCS?
A: Yes, with appropriate signal conditioning. The sensor outputs a linear analog voltage signal that can be converted to 4–20 mA for standard DCS analog input cards. Contact us for recommended signal conditioners.
Q: Do you provide calibration certificates?
A: Yes. OEM calibration certificates are available for new units. For surplus stock, functional test reports are provided. Contact us to specify your documentation requirements at time of order.
Q: What is the minimum order quantity?
A: No minimum order quantity. Single units and bulk orders are both welcome.
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