Brand:Epro PLC Item No.:PR6424/102-121 Product Origin:Germany Product Dimensions:Sensor Head Diameter: 16 mm Product Weight:0.2 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Epro PR6424/102-121 is a 16mm eddy current proximity sensor designed for precise monitoring of shaft motion in rotating machinery protection systems.
It plays a key role in condition monitoring by providing continuous real-time vibration data, enabling early fault detection and improving operational safety and reliability in critical industrial environments.
Technical Specifications
Parameter
Specification
Product Type
Eddy Current Proximity Sensor
Series
Epro PR6424
Model
PR6424/102-121
Sensor Head Diameter
16 mm
Measurement Principle
Eddy current (non-contact)
Sensitivity
4 V/mm
Linearity
±1.5%
Static Measurement Range
±2.0 mm
Dynamic Range
0 to 1000 µm
Nominal Air Gap
~2.7 mm
Operating Temperature
-35 to 180°C
Target Material
Ferromagnetic steel
Minimum Shaft Diameter
≥80 mm
Weight
0.2 kg (0.44 lb)
Applications
The Epro PR6424/102-121 is widely used in rotating machinery monitoring systems where continuous and accurate displacement measurement is required for safe operation and predictive maintenance.
It is commonly applied in steam turbines, gas turbines, hydro turbines, compressors, pumps, and large industrial rotating equipment. In turbine systems, it enables real-time monitoring of radial vibration and axial position. In compressors and pumps, it supports early detection of mechanical faults such as misalignment, imbalance, rotor instability, and bearing wear.
It is also used in API 670-compliant protection systems across power generation, oil and gas, and petrochemical industries, where reliable vibration data is essential for preventing equipment failure.
Advantages
This sensor uses eddy current measurement technology to provide accurate non-contact displacement sensing without mechanical wear.
It delivers high linearity and stable output performance, making it suitable for high-speed rotating machinery. The 16mm probe head ensures a stable electromagnetic field distribution, improving measurement consistency under varying operating conditions.
The PR6424 series is designed for harsh industrial environments, offering strong resistance to vibration, temperature variation, and electromagnetic interference. According to technical specifications, long-term drift is typically very low, supporting stable calibration and reduced maintenance requirements in continuous operation systems.
Technical FAQs
Q1: What is the measurement principle of this sensor?
It uses eddy current induction for non-contact displacement measurement.
Q2: What is the main function of the PR6424/102-121?
It measures shaft vibration, eccentricity, and axial displacement in rotating machinery.
Q3: Where is it typically used?
It is used in turbines, compressors, pumps, and other critical rotating equipment.
Q4: Does it require contact with the shaft?
No, it operates without physical contact.
Q5: Is it suitable for high-speed machinery?
Yes, it is designed for turbomachinery and high-RPM applications.
Q6: What output signal does it provide?
It works with a compatible signal converter to produce a proportional voltage output.
Q7: Can it measure both static and dynamic displacement?
Yes, it supports both steady-state and dynamic vibration measurement.
Q8: How does it perform in harsh environments?
It is resistant to vibration, temperature variation, and electromagnetic interference.
Q9: Does it require frequent calibration?
No, it is engineered for long-term stability with minimal drift.
Q10: What industries commonly use it?
Power generation, oil and gas, petrochemical, and heavy industrial sectors.
