Product Introduction
The EPRO PR6426/000-000 Eddy Current Sensor is a high-precision, non-contact displacement and vibration measurement device specifically designed for industrial machinery monitoring. As part of the PR6426 series, it provides accurate real-time measurement for critical rotating equipment such as turbines, compressors, motors, and generators.
This sensor operates using the eddy current principle, generating an electromagnetic field and detecting variations caused by conductive targets. The non-contact measurement ensures minimal wear and consistent performance, even under harsh operating conditions. Its robust stainless-steel housing and electromagnetic shielding provide reliability in environments with high vibration, temperature fluctuations, and electromagnetic interference.
The PR6426/000-000 is fully compatible with EPRO transducer drivers such as CON011 and CON021 and can be integrated into MMS3000 and MMS6000 condition monitoring systems for predictive maintenance and early detection of machinery anomalies.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Model | PR6426/000-000 |
| Type | Eddy Current Displacement Sensor |
| Measurement Principle | Eddy Current (Non-contact) |
| Sensor Head Diameter | 32 mm |
| Measurement Range | ±2 mm to ±10 mm (depending on target and configuration) |
| Sensitivity | 4 mV/µm (typical) |
| Frequency Response | DC to 10 kHz |
| Linearity | ≤ ±1% of full scale |
| Operating Temperature | -35°C to +180°C |
| Storage Temperature | -40°C to +200°C |
| Output Signal | Voltage proportional to displacement |
| Supply Voltage | Via CON011 or CON021 transducer driver |
| Housing Material | Stainless Steel |
| Mounting Type | Threaded mounting |
| Insulation Resistance | ≥ 100 MΩ |
| Protection Class | IP67 |
| Connection Type | Coaxial connector (EPRO standard) |
| Compatible Systems | MMS6000, MMS3000, PR6425 series |
| Sensor Head Diameter | 32 mm |
| Weight | 0.8 kg |
Product Applications
The PR6426/000-000 is used for precision monitoring of rotating machinery in industrial applications. Common uses include:
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Turbines: Monitoring shaft vibration, axial displacement, and rotor alignment.
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Compressors and Pumps: Detecting imbalance, misalignment, and early signs of bearing wear.
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Motors and Generators: Continuous shaft displacement monitoring for reliable operation.
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Industrial Fans and Blowers: Identifying excessive vibration or instability in rotating shafts.
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Power Plants: Integrating into predictive maintenance systems for enhanced operational safety.
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Petrochemical and Process Plants: Monitoring shaft motion in high-temperature and high-vibration environments.
Product Advantages
The EPRO PR6426/000-000 Eddy Current Sensor provides several technical benefits:
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High Accuracy: Offers precise measurement of displacement and vibration.
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Non-contact Operation: Reduces mechanical wear, ensuring long-term stability.
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Rugged Construction: Stainless-steel housing withstands mechanical stress and harsh environments.
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Electromagnetic Immunity: Advanced shielding ensures signal stability in EMI-prone areas.
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Wide Frequency Response: Suitable for both static and dynamic measurements (DC to 10 kHz).
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Easy Integration: Compatible with EPRO transducer drivers and MMS monitoring systems.
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Stable Output: Maintains signal integrity under vibration and temperature variations.
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Compact yet Robust: 32 mm sensor head provides installation flexibility without compromising durability.
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Low Maintenance: Non-contact design reduces the need for frequent service.
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Proven Reliability: Deployed in mission-critical applications for continuous condition monitoring.
FAQ
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What measurement principle does the PR6426/000-000 use?
It operates on the eddy current principle, detecting changes in impedance caused by the movement of conductive targets. -
Which monitoring systems are compatible with this sensor?
The sensor works with MMS3000, MMS6000, and transducer drivers such as CON011 and CON021. -
What output signal does the sensor provide?
It delivers a voltage proportional to the displacement measured. -
How linear is the sensor across its measurement range?
Linearity is within ±1% of the full-scale measurement range. -
Can this sensor be used in high-vibration environments?
Yes, its robust design and internal shielding ensure reliable performance under high-vibration conditions. -
Does the sensor require an external power source?
No, it is powered via compatible transducer drivers (CON011 or CON021). -
What frequency range does the PR6426/000-000 support?
It supports DC to 10 kHz, suitable for both static displacement and dynamic vibration measurements. -
How should the sensor be mounted for optimal results?
Threaded mounting is recommended to maintain mechanical stability and accurate alignment. -
How does the sensor handle electromagnetic interference?
Internal electromagnetic shielding minimizes EMI effects, ensuring stable output signals. -
Is calibration required after installation?
Factory calibration ensures accuracy, but system-level fine-tuning may be performed during integration for specific machinery conditions.
Recommended Related Models (Same Series or Similar Types)
| Model | Description | Sensor Diameter | Weight |
|---|---|---|---|
| PR6426/010-100 | Standard eddy current sensor | 32 mm | 0.8 kg |
| PR6426/010-110 | High-sensitivity displacement sensor | 32 mm | 0.8 kg |
| PR6426/010-120 | Medium-range displacement sensor | 32 mm | 0.82 kg |
| PR6426/011-130 | High-frequency response version | 32 mm | 0.83 kg |
| PR6425/010-140 | 16 mm compact eddy current probe | 16 mm | 0.5 kg |
| PR6424/000-030 | 8 mm general-purpose eddy current probe | 8 mm | 0.35 kg |
Popular Models from the Same Brand (EPRO)
| Model | Description | Measurement Type | Weight |
|---|---|---|---|
| MMS6000 | Multi-channel machinery monitoring system | Vibration and displacement | 5.2 kg |
| MMS3120/022-100 | Vibration measurement module | Real-time condition monitoring | 0.8 kg |
| MMS3125/022-020 | Signal conditioner | Converts sensor output to voltage | 0.9 kg |
| PR6425/010-130 | 16 mm eddy current sensor | Shaft displacement monitoring | 0.5 kg |
| CON011 | Single-channel transducer driver | Signal conversion and amplification | 0.35 kg |
| CON021 | Dual-channel transducer driver | Advanced monitoring interface | 0.36 kg |
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