Technical Specifications Probe Tip Diameter: 5 mm Linear Measurement Range: 0~1.27 mm Integral Cable Length: 2m Insulation Material: PTFE Operating Temperature: -55℃ ~ +177℃ Connector Type: Microdot connector Frequency Response: 0~12kHz
Functional Features Non-contact measurement without wear on rotating shaft surface. High temperature resistant probe and cable for hot installation location. Stable signal output under high speed rotation and strong vibration. Small tip size for limited installation space. Stainless steel threaded body for convenient gap adjustment. Fully compatible with Bently 3300 series proximitor system.
Application Scenarios Shaft vibration monitoring of steam turbine and gas turbine. Thrust bearing axial displacement measurement of centrifugal compressor. Power generator rotor condition monitoring. Oil refinery and chemical plant rotating machinery protection. High speed pump and fan rotor online gap monitoring.
Structural Characteristics Stainless steel threaded probe body with lock nut. High temperature PTFE insulated integrated cable. Hermetically sealed coil assembly inside probe tip. Metal microdot connector at cable end. Anti-loosening threaded structure for field installation.
Working Principle Proximitor sends high-frequency alternating excitation signal to coil inside probe tip. Alternating magnetic field induces eddy current on the surface of metal rotor target. The coil impedance changes with the gap between probe tip and rotor surface. Impedance variation signal returns to proximitor and is converted into linear voltage signal to reflect real-time gap and vibration value.
Installation Requirements Mount probe on equipment casing through threaded mounting hole. Adjust static gap between probe tip and rotor target according to calibration requirement. Tighten lock nut after gap setting to prevent loosening caused by machine vibration. Arrange cable route to avoid sharp bending and friction damage. Keep cable away from high temperature pipeline and high voltage power line. Verify target surface size and flatness before installation.
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