Technical Specifications Probe Tip Diameter: 5mm Measurement Range: 0 to 1.27mm Operating Temperature: -55℃ ~ +177℃ Cable Insulation Material: High temperature resistant PTFE Connector: Microdot connector Linear Range: 0.25mm to 1.52mm Recommended Target Material: Ferromagnetic and non-ferromagnetic metal Shielding: Fully shielded probe cable
Functional Features Non-contact measurement, no wear with rotating shaft surface. High temperature resistance for installation near hot equipment casing. Stable signal output under high-speed rotating working condition.
Application Scenarios Steam turbine shaft vibration and thrust position monitoring. Centrifugal compressor rotor displacement measurement. Large generator set condition monitoring. Industrial high-speed pump and fan machinery protection. On-line monitoring of rotating machinery in oil & gas industry.
Structural Characteristics Stainless steel probe body with thread for mounting adjustment. High temperature PTFE insulated integral cable. Precision wound coil sealed inside probe tip. Metal microdot connector for signal transmission. Lock nut for fixing probe installation clearance.
Working Principle The proximitor sends high-frequency alternating signal to the coil inside probe tip. Alternating magnetic field is generated around the coil, inducing eddy current on the surface of adjacent metal rotor. The energy loss and coil impedance change with the gap between probe tip and rotor surface. The impedance variation is transmitted back to proximitor and converted into analog voltage signal, reflecting real-time gap value.
Installation Requirements Install probe through threaded mounting hole on equipment housing. Adjust initial gap between probe tip and target surface according to system configuration. Fix probe with lock nut after gap calibration to prevent loosening by vibration. Arrange cable route to avoid friction and sharp edge cutting. Keep cable away from high temperature pipe and high voltage power line. Ensure target metal surface meets size and flatness requirement.
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