製品紹介
The Epro PR6423/003-130 + CON021 is a high-performance eddy current sensor system designed for non-contact vibration and displacement measurement in industrial rotating machinery. This sensor set belongs to the PR6423 series from Epro (a division under Emerson), which is widely recognized for its reliability and accuracy in critical condition monitoring applications.
This particular model features an 8mm probe diameter with a 130mm overall length, making it suitable for installations where longer reach is required to access target surfaces. Paired with the CON021 converter, the system converts the displacement measurement into a voltage output, delivering real-time diagnostics for shaft vibration, relative displacement, and mechanical misalignment detection.
The PR6423/003-130 is engineered for use in heavy-duty environments, such as turbines, compressors, motors, and pumps, where stability, resistance to harsh conditions, and precision are non-negotiable.
Technical Specifications
| Parameter | Specification |
|---|---|
| モデル Number | PR6423/003-130 + CON021 |
| Sensor Type | Eddy Current Displacement and Vibration Sensor |
| Sensor Head Diameter | 8 mm |
| Overall Probe Length | 130 mm |
| Measuring Range | 0.25 mm to 2.0 mm |
| Sensitivity | 7.87 mV/μm ±5% |
| Linearity Deviation | ≤ ±1% / Full Scale |
| Mounting Thread | M10 x 1 |
| Cable Length | 5 meters (standard), others on request |
| Frequency Response | 0 to 10,000 Hz |
| Output Signal | Voltage Output (Proportional to Displacement) |
| Power Supply to Converter | ±15 VDC |
| Operating Temperature (Probe) | -35°C to +180°C |
| Operating Temperature (CON021) | -20°C to +85°C |
| Storage Temperature Range | -40°C to +200°C |
| Pressure Resistance | Up to 10 bar |
| Probe Housing Material | Stainless Steel (AISI 304/316) |
| Insulation Resistance | ≥ 100 MΩ |
| Ingress Protection (Probe) | IP65 |
| Ingress Protection (Converter) | IP40 |
| 重量 | 0.22 kg |
Applications
The PR6423/003-130 + CON021 system is designed for condition monitoring in environments where probe access length is a key consideration. Common industrial applications include:
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Gas and Steam Turbines – Monitoring shaft vibration and thermal expansion
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Compressors – Measuring axial and radial displacement for bearing protection
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Large Electric Motors and Generators – Diagnosing imbalance, misalignment, or rotor eccentricity
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Pumps and Blowers – Ensuring optimal operation by detecting early mechanical degradation
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Gearboxes – Monitoring vibration trends over time for predictive maintenance
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Petrochemical Equipment – Certified for use in demanding industrial plants with temperature or contamination exposure
Advantages
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Extended Probe Reach: The 130mm probe shaft enables access to deeper or recessed installation points.
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Non-お問い合わせ Measurement: Provides accurate data without physical contact, reducing mechanical wear.
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Industrial Durability: Stainless steel construction ensures long-term use in corrosive or high-vibration settings.
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Wide Temperature Tolerance: Withstands harsh temperature fluctuations, suitable for outdoor and plant environments.
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Consistent Output: Offers high linearity and signal repeatability across the full measuring range.
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Flexible Integration: Designed to integrate seamlessly with Epro MMS systems, VM600, or other vibration monitoring platforms.
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Service-Friendly Design: Modular configuration allows for easy probe or converter replacement without full disassembly.
よくある質問 (FAQ)
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What is the purpose / the extended 130mm probe length?
It allows the sensor to reach monitoring surfaces in hard-to-access or recessed installations. -
Can this sensor be used for both axial and radial displacement measurement?
Yes, it is suitable for both directions depending on the mounting orientation. -
What voltage output does the CON021 converter produce?
It provides a linear voltage output proportional to the target’s displacement. -
Is the system compatible with VM600 series from Vibro-Meter?
Yes, it integrates well with Epro’s own systems as well as third-party solutions like VM600. -
Can I use this sensor in high-vibration environments?
Absolutely. The robust mechanical design ensures signal stability under vibration. -
What is the maximum cable length allowed?
Standard is 5 meters, but extended lengths (up to 10m or more) are available on request. -
Does the system require recalibration?
It is factory-calibrated. Recalibration is not typically needed unless the sensor is physically replaced. -
What kind / mounting accessories are available?
Threaded bushings, lock nuts, and mounting sleeves are available for different configurations. -
Is this model available with hazardous area certifications?
Variants with ATEX and IECEx certifications are available for explosive environments. -
What is the expected service life / the sensor?
Typically over 10 years, assuming proper installation and environment compliance.
Related モデルs (Same Series / Functional Alternatives)
| モデル Number | 説明 | Probe Size | Length | Temperature Range |
|---|---|---|---|---|
| PR6423/002-030 + CON021 | 8mm probe with 30mm shaft, general purpose | 8 mm | 30 mm | -35°C to +180°C |
| PR6423/005-010 + CON021 | 11mm probe for extended range and sensitivity | 11 mm | 10 mm | -35°C to +180°C |
| PR6423/003-010 + CON021 | 8mm probe with 10mm length for tight spaces | 8 mm | 10 mm | -35°C to +180°C |
| PR6423/002-000 + CON021 | Standard 8mm probe, 50mm length | 8 mm | 50 mm | -35°C to +180°C |
| PR6423/004-010 + CON021 | Right-angled 8mm probe for lateral mounting | 8 mm | 10 mm | -35°C to +180°C |
| PR6423/002-001-CN + CON021 | CN version for Chinese industrial standards | 8 mm | 50 mm | -35°C to +180°C |
Popular モデルs from the Same ブランド (Epro / Emerson)
| モデル Number | 説明 | Function | Signal Type |
|---|---|---|---|
| MMS3120/022-100 | Dual-channel monitoring module | Machine condition monitoring | Analog / Digital |
| PR9268/301-000 | IEPE vibration acceleration sensor | General-purpose vibration detection | IEPE output |
| CON041 | High-performance signal conditioner | Signal conversion for PR6423 series | Voltage |
| PR6424/014-040 + CON021 | 5mm eddy current sensor, short probe | Limited-space installations | Voltage |
| MMS3110/022-000 | Compact module for single sensor channels | General displacement monitoring | Voltage / Relay |
| MMS6120/022-100 | Advanced protection module for turbines | Trip and shutdown control | Digital / Relay |
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