Epro PR6426/000-030+CON21/916-200 32mm Eddy Current Sensor

Company Information
E-mail		[email protected]
Mobile		+8613666033393
Whatsapp		+8613666033393
WeChat		13666033393
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Introduction

The Epro PR6426/000-030+CON21/916-200 is a high-precision 32mm eddy current displacement sensor designed for non-contact measurement of shaft vibration, axial displacement, and position in rotating machinery. Developed by EPRO, a trusted name in industrial condition monitoring, this sensor provides outstanding signal stability and temperature resistance, ensuring accurate measurements in harsh environments such as turbines, compressors, and generators.

This model combines the PR6426 sensor head with the CON021/916-200 converter, delivering a robust and reliable system that converts the raw eddy current signal into a linear voltage output for monitoring systems. It supports continuous operation under extreme mechanical and electrical conditions, maintaining long-term calibration accuracy and linearity.

Its 32mm probe diameter provides a wider sensing range and higher tolerance for gap variations, making it suitable for applications that demand high sensitivity and durability. The unit complies with international standards for vibration monitoring and interfaces seamlessly with EPRO’s MMS6000 and MMS6800 series machinery protection systems.

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Product Parameters

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Product Applications

The Epro PR6426/000-030+CON21/916-200 sensor is widely used in rotating machinery monitoring and industrial automation. It is particularly effective for:

• Turbomachinery vibration monitoring, such as steam and gas turbines.

• Compressor and pump shaft displacement detection in petrochemical and power generation plants.

• Generator and motor bearing vibration analysis for predictive maintenance.

• Axial and radial shaft position measurement in rotating equipment.

• Condition-based maintenance systems, providing continuous health data to control systems.

Its robust design ensures stable operation in high-temperature zones, while the integrated CON21/916-200 converter allows for direct connection to Epro’s monitoring systems or third-party interfaces.

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Product Advantages

• High Precision and Stability – Provides accurate and repeatable measurements even under mechanical vibration or temperature fluctuations.

• Wide Sensing Range – 32 mm sensor head ensures reliable detection across large gaps and target distances.

• Integrated Converter Compatibility – The included CON21/916-200 simplifies installation and calibration, reducing field wiring effort.

• Excellent Environmental Resistance – Stainless steel construction and IP67 protection ensure long-term operation in harsh industrial environments.

• Low Noise Output – Coaxial cable design minimizes signal interference and enhances measurement integrity.

• Seamless System Integration – Fully compatible with Epro MMS and VM6000 systems, enabling easy integration into existing setups.

• Temperature Compensation – Maintains linearity and accuracy across wide temperature variations.

• Proven Industrial Reliability – Designed and tested for long-term use in demanding turbomachinery monitoring environments.

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FAQ

1. What is the operating principle of the PR6426/000-030+CON21/916-200 sensor?
   It operates on the eddy current principle, detecting variations in the electromagnetic field caused by the target surface, converting them into precise displacement signals.

2. Which materials are suitable as targets for this sensor?
   The sensor is optimized for ferromagnetic materials such as AISI 4140 steel, which provides stable and linear responses.

3. How is this sensor connected to monitoring equipment?
   It connects through the CON21/916-200 converter, which provides conditioned voltage output compatible with Epro and third-party systems.

4. What kind of signal output does the CON21/916-200 provide?
   The converter provides a linear DC voltage output typically ranging from -2 V to -18 V, proportional to the measured displacement.

5. Can this sensor be used in high-temperature environments?
   Yes, the sensor head can operate reliably at temperatures up to +180°C, thanks to its thermally stable components.

6. Is the sensor interchangeable with other Epro probes?
   Yes, within the same PR6426 series, sensors can be interchanged with compatible converters without recalibration.

7. How does the sensor ensure measurement stability under vibration?
   The robust mechanical design and shielded cable minimize signal drift and electrical noise in high-vibration environments.

8. Does the sensor require field calibration?
   It is factory-calibrated, but field fine-tuning can be performed using Epro’s setup tools for optimal accuracy.

9. Is this model suitable for dual-channel monitoring systems?
   Yes, it can be used in redundant or dual-channel vibration monitoring architectures.

10. What is the protection rating of the sensor head?
    The sensor is rated IP67, offering full protection against dust ingress and temporary immersion in water.

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FAQ

1. What is the operating principle of the PR6426/000-030+CON21/916-200 sensor?
   It operates on the eddy current principle, detecting variations in the electromagnetic field caused by the target surface, converting them into precise displacement signals.

2. Which materials are suitable as targets for this sensor?
   The sensor is optimized for ferromagnetic materials such as AISI 4140 steel, which provides stable and linear responses.

3. How is this sensor connected to monitoring equipment?
   It connects through the CON21/916-200 converter, which provides conditioned voltage output compatible with Epro and third-party systems.

4. What kind of signal output does the CON21/916-200 provide?
   The converter provides a linear DC voltage output typically ranging from -2 V to -18 V, proportional to the measured displacement.

5. Can this sensor be used in high-temperature environments?
   Yes, the sensor head can operate reliably at temperatures up to +180°C, thanks to its thermally stable components.

6. Is the sensor interchangeable with other Epro probes?
   Yes, within the same PR6426 series, sensors can be interchanged with compatible converters without recalibration.

7. How does the sensor ensure measurement stability under vibration?
   The robust mechanical design and shielded cable minimize signal drift and electrical noise in high-vibration environments.

8. Does the sensor require field calibration?
   It is factory-calibrated, but field fine-tuning can be performed using Epro’s setup tools for optimal accuracy.

9. Is this model suitable for dual-channel monitoring systems?
   Yes, it can be used in redundant or dual-channel vibration monitoring architectures.

10. What is the protection rating of the sensor head?
    The sensor is rated IP67, offering full protection against dust ingress and temporary immersion in water.

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