Excellent PLC
Product Introduction
The Epro PR6426/010-110+CON011/916-120 is a high-performance 32mm Eddy Current Sensor designed for precision measurement in industrial applications. This sensor provides accurate non-contact monitoring of displacement, vibration, and position in rotating machinery, turbines, generators, and other critical equipment. Utilizing the advanced eddy current principle, it converts changes in electrical impedance into precise analog or digital output, ensuring reliable data under harsh operating conditions.
Epro’s PR6426 series is known for its robustness, high linearity, and resistance to environmental disturbances, including temperature variations, electromagnetic interference, and mechanical vibrations. The sensor, coupled with the CON011/916-120 signal conditioning unit, enables stable and highly repeatable readings for both diagnostic and control purposes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Eddy Current |
| Sensor Head Diameter | 32 mm |
| Weight | 1.4 kg |
| Measurement Range | 0–10 mm (standard), customizable |
| Linearity | ±1% full scale |
| Frequency Response | DC to 20 kHz |
| Output Signal | Analog 0–10 V or 4–20 mA (via CON011/916-120) |
| Operating Temperature | -40°C to +125°C |
| Supply Voltage | 18–30 V DC |
| Signal Cable Interface | Connector type CON011/916-120 |
| Protection | IP65 (sensor head) |
| Material | Stainless steel body with non-magnetic tip |
| Mounting | Threaded or flange mount options |
| Environmental Resistance | Vibration up to 20 g, EMI resistant |
Applications
The PR6426/010-110+CON011/916-120 sensor is ideal for:
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Monitoring shaft displacement and position in turbines, compressors, and motors
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Measuring vibration amplitudes in rotating machinery for predictive maintenance
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Detecting misalignment or eccentricity in high-speed shafts
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Feedback control in industrial automation systems requiring high precision
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Integration into condition monitoring systems for early fault detection
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Use in aerospace, power generation, and heavy industry environments
This sensor is particularly valuable where non-contact measurement is required to avoid mechanical wear and maintain system integrity.
Advantages
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High Accuracy and Stability – Maintains precision even under temperature fluctuations and electrical interference.
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Robust Design – Stainless steel construction ensures durability in harsh industrial conditions.
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Fast Response – Capable of detecting rapid changes in position or vibration.
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Non-Contact Measurement – Eliminates wear and reduces maintenance requirements.
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Versatile Integration – Compatible with a wide range of signal conditioners and monitoring systems.
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Long-Term Reliability – Minimal drift over time and consistent output throughout the operating range.
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EMI and Vibration Resistant – Ensures accurate data in electrically noisy and mechanically active environments.
FAQ
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What is the maximum measurement frequency of the sensor?
The sensor can accurately measure signals up to 20 kHz, suitable for high-speed shaft monitoring. -
What type of output signal does the sensor provide?
Through the CON011/916-120 signal conditioner, the sensor provides 0–10 V analog or 4–20 mA current output. -
Can the sensor operate in extreme temperatures?
Yes, it operates reliably between -40°C and +125°C without significant signal drift. -
Is the sensor resistant to electromagnetic interference?
Yes, the sensor is designed with EMI shielding, ensuring stable performance in electrically noisy environments. -
What is the linearity specification of the sensor?
The linearity is ±1% of full scale, ensuring highly accurate readings over the measurement range. -
Can the sensor detect small shaft vibrations?
Yes, it can detect sub-micron vibration amplitudes, making it suitable for condition monitoring. -
How is the sensor mounted?
The sensor supports threaded or flange mount options for flexible installation. -
What protection level does the sensor offer against dust and water?
The sensor head has an IP65 rating, protecting against dust ingress and low-pressure water jets. -
Can this sensor be used in rotating machinery?
Yes, it is specifically designed for rotating shafts, turbines, and compressors with high reliability. -
What materials are used in the sensor construction?
The sensor features a stainless steel body with a non-magnetic tip, ensuring mechanical robustness and corrosion resistance.
Related or Series Models
| Model | Sensor Head Diameter | Measurement Range | Output | Weight |
|---|---|---|---|---|
| PR6426/020-110 | 32 mm | 0–15 mm | 0–10 V / 4–20 mA | 1.5 kg |
| PR6426/030-110 | 32 mm | 0–20 mm | 0–10 V / 4–20 mA | 1.6 kg |
| PR6426/010-120 | 32 mm | 0–10 mm | 0–5 V / 0–20 mA | 1.4 kg |
| PR6426/010-130 | 32 mm | 0–10 mm | 0–10 V / 0–20 mA | 1.4 kg |
| PR6426/050-110 | 32 mm | 0–25 mm | 0–10 V / 4–20 mA | 1.7 kg |
| PR6426/010-150 | 32 mm | 0–10 mm | Differential output | 1.4 kg |
Popular Epro Models
| Model | Sensor Head Diameter | Measurement Range | Output | Weight |
|---|---|---|---|---|
| PR6424/014-040 | 14 mm | 0–4 mm | 0–10 V | 0.8 kg |
| PR6424/022-100 | 22 mm | 0–10 mm | 0–10 V / 4–20 mA | 1.2 kg |
| PR6426/010-100 | 32 mm | 0–10 mm | 0–10 V | 1.3 kg |
| PR6426/020-120 | 32 mm | 0–15 mm | 0–10 V / 4–20 mA | 1.5 kg |
| PR6430/010-110 | 30 mm | 0–10 mm | 0–10 V | 1.4 kg |
| PR6430/015-120 | 30 mm | 0–15 mm | 0–10 V / 4–20 mA | 1.6 kg |
