Excellent PLC
Product Introduction
The Epro PR6424/008-021 is an 16mm eddy-current sensor designed for precise measurement of shaft vibration and position in high-speed rotating machinery. It operates with high reliability in industrial environments, providing accurate displacement detection for monitoring critical equipment. Its compact design allows integration in tight spaces without compromising performance, making it suitable for turbines, compressors, generators, and other rotating machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Eddy-Current |
| Sensor Head Diameter | 16mm |
| Measurement Range | 0–1 mm (standard) |
| Linearity | ±1% of full scale |
| Operating Temperature | -20°C to +120°C |
| Frequency Response | 0–10 kHz |
| Excitation Voltage | 12–24 VDC |
| Output Signal | ±10 VDC or 4–20 mA (depending on model) |
| Weight | 0.2 kg |
| Housing Material | Stainless steel |
| Connector Type | 2-pin or 4-pin MIL standard |
Applications
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Monitoring shaft vibration in turbines and compressors
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Position measurement for high-speed rotating equipment
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Condition monitoring in power generation plants
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Early detection of mechanical misalignment or imbalance
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Integration into predictive maintenance systems
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Industrial machinery where high-frequency response is required
Advantages
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High precision and repeatability under industrial conditions
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Compact 8mm sensor head allows installation in limited spaces
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Robust stainless steel housing resists vibration, shock, and contaminants
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Wide frequency response suitable for high-speed machinery
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Compatible with standard eddy-current signal conditioners
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Flexible cable and connector options for different installations
FAQ
Q1: What is the maximum operating frequency of the PR6424/008-021?
A1: The sensor supports up to 10 kHz frequency response, suitable for most high-speed machinery applications.
Q2: Can the sensor measure both vibration and displacement simultaneously?
A2: Yes, the eddy-current sensor can provide accurate displacement measurements, which can be used to calculate vibration characteristics.
Q3: What excitation voltage does the sensor require?
A3: The sensor operates with a 12–24 VDC excitation voltage.
Q4: Is the output signal configurable?
A4: Yes, it can provide either ±10 VDC or 4–20 mA output depending on the interface model.
Q5: What is the linearity specification of the sensor?
A5: The sensor maintains a linearity of ±1% of full scale over the measurement range.
Q6: How does temperature affect sensor performance?
A6: The sensor operates reliably from -20°C to +120°C with minimal deviation in measurement accuracy.
Q7: Can it be used in environments with high electromagnetic interference (EMI)?
A7: Yes, the sensor is designed with shielding to minimize EMI effects on measurement accuracy.
Q8: What is the recommended minimum gap between the sensor and target surface?
A8: The optimal measurement gap is typically within 0.5 mm to 1 mm depending on calibration.
Q9: Are there specific signal conditioners recommended for this sensor?
A9: Standard Epro or compatible eddy-current signal conditioners are recommended for best performance.
Q10: Can the sensor be mounted in any orientation?
A10: Yes, the sensor can operate effectively in any orientation as long as alignment to the target shaft is maintained.
Related or Same-Series Models
| Model | Sensor Head Diameter | Measurement Range | Notes |
|---|---|---|---|
| PR6424/008-022 | 8 mm | 0–2 mm | Extended measurement range |
| PR6424/008-023 | 8 mm | 0–0.5 mm | High sensitivity version |
| PR6424/010-021 | 10 mm | 0–1 mm | Slightly larger head diameter |
| PR6424/008-025 | 8 mm | 0–1.5 mm | High temperature version |
| PR6424/008-026 | 8 mm | 0–1 mm | With integrated connector |
| PR6424/006-021 | 6 mm | 0–1 mm | Compact alternative for tight spaces |
Popular Models from the Same Brand
| Model | Sensor Head Diameter | Measurement Range | Notes |
|---|---|---|---|
| PR6425/008-030 | 8 mm | 0–2 mm | High-performance variant |
| PR6423/008-018 | 8 mm | 0–1 mm | Standard industrial sensor |
| PR6426/010-021 | 10 mm | 0–1 mm | For heavy machinery applications |
| PR6424/008-040 | 8 mm | 0–1 mm | High frequency response |
| PR6427/008-021 | 8 mm | 0–1 mm | Shock-resistant version |
| PR6422/008-022 | 8 mm | 0–1 mm | Standard model with cable options |
