What is EPRO PR6424/010-140 CON021 electromagnetic induction sensor?
EPRO PR6424/010-140 CON021 is a high-precision electromagnetic induction displacement sensor specifically designed for non-contact measurement of shaft vibration, axial displacement and position in rotating machinery. It operates by generating an electromagnetic field and detecting the changes caused when conductive materials approach, enabling accurate real-time monitoring without physical wear.
This sensor is widely recognized for its stability, repeatability and compatibility with EPRO signal converters, making it a core component for critical industrial asset condition monitoring systems.
Technical Specifications
Frequency range (–3 dB): 0 to 20,000 hertz
Rise time: < 15 microseconds
Sensitivity/linearity: 4 volts/mm (101.6 microvolts/micron), ±1.5%
Long-term drift: < 0.3%
Static range: ±2.0 mm (±0.079 inches)
Dynamic range: 0 to 1,000 micrometers (0 to 0.039 inches)
Air gap (center): approximately 2.7 mm (0.11 inches), nominal value
Operating temperature (electronic components): –30°C to +100°C (–22°F to +212°F)
Operating temperature (sensor head): –35°C to +150°C (–31°F to +302°F)
Temperature error: < 4% per 100 Kelvin (in accordance with API 670 standard)
Impact and vibration: 5 grams @ 60 hertz @ 25°C (77°F)
Shell material: LMgSi 0.5 F22
Protection class: IP20
Weight: approximately 120 grams (4.24 ounces)
Installation method: 4 M5 × 20 screws (included)
Target surface material: ferromagnetic steel (42CrMo4 standard)
Maximum surface speed: 2,500 meters/second (98,425 inches/second)
Maximum shaft diameter: ≥ 80 mm
Why choose PR6424/010-140 for critical equipment protection?
In high-speed or high-load rotating equipment, even the slightest deviation can lead to high downtime costs. The reason for choosing the PR6424/010-140 sensor is that it has the following advantages:
High measurement accuracy in harsh conditions
Excellent resistance to temperature, oil and vibration
Long-term reliability with minimal error
Fast dynamic response for early fault detection
Where are EPRO electromagnetic induction sensors typically used?
The PR6424/010-140 CON021 sensor is widely used in industries that have extremely high requirements for the reliability of rotating machinery, including: steam turbines and gas turbines
Compressors and pumps
Generators and motors
Thermal power plants, nuclear power plants, hydroelectric power plants
Oil and gas and petrochemical facilities
When should PR6424/010-140 sensors be installed or replaced?
This sensor should be installed in the following situations:
During new equipment commissioning
During system upgrades for condition monitoring
During preventive or predictive maintenance plans
It is recommended to replace the sensor when the following situations occur:
Signal drift or instability is detected
Physical damage is caused by improper installation
The sensor reaches the end of its service life
How does PR6424/010-140 CON021 work in conjunction with the monitoring system?
The sensor operates by converting displacement changes into electrical signals, which are transmitted to the CON021 signal converter. This converter will process the signals and standardize them in order to integrate with the following systems:
DCS system
PLC platform
Vibration monitoring system
Mechanical equipment protection system
Conclusion
The EPRO PR6424/010-140 CON021 electromagnetic induction sensor is an ideal solution for precise non-contact measurement in demanding industrial environments. By combining high precision, robust design, and seamless system integration, it plays a crucial role in ensuring the safety of rotating machinery and supporting predictive maintenance strategies. For industries that prioritize reliability, efficiency, and asset protection, this sensor is always a reliable and valuable first choice.
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