Technical Specifications

FAQ

1. What is the primary function of this probe?

This probe is designed to measure shaft vibration and axial displacement in rotating machinery using a non-contact eddy current method. It continuously tracks the relative position between the probe tip and the shaft surface, converting mechanical movement into an electrical signal. This data is essential for condition monitoring systems that aim to detect early signs of mechanical degradation and prevent unexpected equipment failures.

2. What types of machinery typically use this probe?

It is commonly installed on critical rotating equipment such as steam turbines, gas turbines, compressors, pumps, electric motors, and large gearboxes. These machines operate under continuous load and high-speed conditions, where even small changes in shaft behavior can indicate developing mechanical issues. The probe helps maintain operational safety and supports predictive maintenance strategies in industrial environments.

3. How does the eddy current measurement principle work?

The probe generates a high-frequency electromagnetic field at its sensing tip. When a conductive metal target enters this field, eddy currents are induced in the surface of the material. These currents change the impedance of the probe coil, and the system converts this variation into a proportional voltage signal. This signal directly represents the distance between the probe and the target surface, enabling precise non-contact displacement measurement.

4. What factors can affect measurement accuracy?

Measurement accuracy can be influenced by target material properties, surface finish, mechanical stability of the mounting system, and environmental conditions such as temperature variation. Electrical noise from nearby high-power equipment and improper grounding can also affect signal stability. Proper installation, correct alignment, and system calibration are essential to maintain reliable measurement performance.

5. What are the key installation requirements?

The probe must be installed using a rigid mounting structure to prevent vibration-induced measurement errors. The gap between the probe and the shaft surface must be set precisely according to system specifications. Cable routing should avoid high-voltage or high-current lines to reduce electromagnetic interference. Proper alignment with the shaft is critical to ensure accurate displacement measurement.

6. Is this probe suitable for continuous monitoring applications?

Yes, this probe is specifically designed for continuous, real-time monitoring in industrial environments. It is widely used in 24/7 condition monitoring systems where uninterrupted data acquisition is required. Its non-contact design ensures long-term stability and eliminates mechanical wear between the probe and the shaft, making it suitable for long-duration operation.

7. How is calibration handled in the system?

The probe is typically factory calibrated and designed to work with compatible monitoring modules. During system integration, it is paired with signal conditioning electronics that convert voltage output into displacement values. Proper calibration ensures accurate translation of electrical signals into mechanical movement data, which is essential for reliable vibration analysis and trend monitoring.

8. What maintenance is required for this probe?

Maintenance requirements are minimal due to its non-contact measurement principle. Routine inspections should ensure that the probe remains securely mounted, cables are intact, and connectors are properly seated. It is also important to prevent contamination or physical damage to the probe tip. Regular system checks help ensure stable signal output and long-term measurement reliability.