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Product Introduction
The Epro CON021 + PR6424/002-031 is a factory-calibrated eddy current sensor system engineered for precise, non-contact measurement of axial and radial shaft displacement and vibration in rotating machinery. This system integrates the PR6424/002-031 probe, which features a 16 mm sensing diameter, with the CON021 signal converter, providing an accurate, analog voltage output signal suitable for industrial monitoring systems.
Designed for critical applications such as gas turbines, compressors, and high-speed rotating equipment, this eddy current sensor system operates reliably in harsh industrial environments, including those with high temperatures, oil mist, and electromagnetic interference. Its modular design, robust materials, and high-frequency response make it a trusted component in machine protection and condition monitoring systems.
Product Specifications
| Parameter | Details |
|---|---|
| Probe Model | PR6424/002-031 |
| Converter Model | CON021 |
| Sensor Type | Eddy Current / Non-contact Displacement Sensor |
| Sensor Head Diameter | 16 mm |
| Measuring Range | ±1 mm (calibrated) |
| Linear Range | 2 mm |
| Sensitivity | Approx. 7.87 mV/µm (with CON021) |
| Frequency Response | 0 – 10 kHz (±3 dB) |
| Linearity | ±1% of Full Scale |
| Output Signal | Analog voltage (0–20 VDC typical via CON021) |
| Operating Temperature Range | -35°C to +180°C |
| Cable Type | Coaxial, factory-attached |
| Thread Size | M14×1.5 or as specified |
| Housing Material | Stainless Steel |
| Environmental Rating | IP65 / IP67 (depending on sealing configuration) |
| EMC Compliance | EN 61000 series, CE compliant |
| Weight | 0.32 kg |
| Mounting Orientation | Radial or axial (based on sensor installation) |
| System Configuration | Pre-calibrated probe and converter pair |
Product Applications
The Epro CON021 + PR6424/002-031 sensor system is used in industrial and energy sectors for continuous monitoring and protection of critical rotating equipment. It is particularly effective in applications requiring reliable data under extreme mechanical and environmental conditions.
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Gas and Steam Turbines
Enables real-time monitoring of shaft vibration and displacement in high-value turbine systems. -
Compressors and Pumps
Protects rotary equipment from imbalance, misalignment, and mechanical wear. -
Machine Protection Systems
Integrated into rack-based monitoring platforms like MMS6000 and other vibration monitoring systems. -
Oil & Gas Sector
Deployed in refineries, offshore platforms, and petrochemical plants with hazardous and ATEX-classified zones. -
Power Generation Facilities
Maintains reliability of generators, couplings, and bearings through accurate proximity feedback. -
Industrial Automation Systems
Used in predictive maintenance to prevent unplanned downtime and extend equipment life.
Product Advantages
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High Measurement Accuracy
Factory-calibrated to provide accurate displacement measurement without recalibration in the field. -
Non-Contact Sensing
Eliminates physical wear and delivers stable performance in long-term continuous operation. -
Wide Temperature Tolerance
Suitable for environments up to 180°C when properly configured with high-temperature cabling. -
Electromagnetic Noise Resistance
Excellent EMI immunity ensures stable signal transmission in noisy electrical environments. -
Mechanical Durability
Stainless steel construction resists oil, dust, water, and vibration exposure. -
Quick Integration
Analog output is compatible with a wide range of industrial control and monitoring systems. -
Customizable Configuration
Cable length, thread type, and output scaling can be tailored for specific application needs. -
Proven Industry Use
Trusted by global manufacturers and utility providers for rotating equipment diagnostics.
FAQ
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Is the PR6424/002-031 sensor calibrated together with the CON021 converter?
Yes, both units are factory-matched and must be used as a pair for accurate measurement. -
Can this sensor system operate in high EMI environments near motors or generators?
Yes, it is designed with high EMI immunity and meets industrial EMC standards. -
What output signal format does the CON021 provide?
The CON021 generates an analog voltage signal proportional to displacement, typically 0–20 VDC. -
Is it suitable for both axial and radial vibration measurements?
Yes, based on the orientation and mounting of the sensor, it can measure either. -
Can I shorten or extend the coaxial cable after delivery?
No, the cable length is part of the calibration. Altering it will compromise accuracy. -
Does this sensor system require recalibration over time?
No recalibration is required if the probe-converter pair remains unchanged and undamaged. -
Is the sensor head oil-resistant or suited for oily environments?
Yes, the stainless steel housing and sealed design allow it to function in oil-rich areas. -
Can this be integrated into third-party monitoring systems?
Yes, as long as the system accepts the analog voltage range provided by the CON021. -
What is the bandwidth or frequency response range?
The typical frequency response is from 0 to 10 kHz, which suits most rotating machinery applications. -
Can I use a different CON model with this PR6424/002-031 probe?
No, each PR6424 probe is calibrated with a specific converter. Mixing pairs will cause incorrect readings.
Related Models from the Same Series
| Model | Description | Measuring Range | Tip Diameter |
|---|---|---|---|
| PR6424/010-040 | 16 mm probe with short-range configuration | ±1 mm | 16 mm |
| PR6424/012-140 | High-temp probe, ideal for turbine applications | ±2 mm | 12 mm |
| PR6424/014-040 | Short-range 8 mm probe for compact installations | ±0.5 mm | 8 mm |
| PR6424/013-130 | Extended range probe for large shaft machinery | ±2 mm | 16 mm |
| PR6424/017-000 | High-range, high-linearity sensor | ±3 mm | 16 mm |
| PR6424/01C-130 | Chemically coated version for corrosive conditions | ±2 mm | 16 mm |
Popular Models from the Same Brand (Epro / Brüel & Kjær Vibro)
| Model | Function | Compatible Converter | Primary Use |
|---|---|---|---|
| PR6423/002-000 | 5 mm proximity sensor | CON021 | Compact machinery and auxiliary systems |
| PR6423/005-010 | 8 mm general-purpose probe | CON021 | Pumps, small compressors |
| MMS6312 | Modular vibration monitoring module | N/A | Multi-channel protection and diagnostics |
| CON021/916-120 | Signal converter for PR642x probes | PR6423 / PR6424 series | Scaling and output signal processing |
| MMS6120 | Rack-based monitoring interface | N/A | Plant-wide condition monitoring |
| CON041 | Enhanced signal converter (EMC hardened) | PR642x series | Harsh and high-EMI environments |
