Technical Specifications Probe Tip Diameter:8 mm Linear Measurement Range:0~2.03 mm Integral Cable Length:4m Insulation Material:PTFE Operating Temperature:-55℃ ~ +177℃ Connector:Microdot connector Frequency Response:0~12kHz
Functional Features 8mm probe tip with medium linear measuring range for rotating shaft measurement. 4m integrated cable for medium-distance measuring point layout. High temperature resistant probe and cable adapt to hot installation area. Stable signal output under high speed rotation and strong vibration. Stainless steel threaded body with lock nut for gap adjustment. Compatible with Bently 3300 series proximitor system.
Application Scenarios Shaft vibration monitoring of steam turbine and gas turbine. Centrifugal compressor rotor axial thrust displacement measurement. Power plant generator and large pump condition monitoring. Petrochemical plant rotating machinery online protection system. High speed rotating equipment rotor gap and vibration measurement.
Structural Characteristics Stainless steel threaded probe body equipped with lock nut. High temperature PTFE insulated 4-meter integral cable. Hermetically sealed coil assembly inside probe tip. Microdot metal connector at cable terminal. Anti-vibration locking nut to prevent gap drift.
Working Principle Proximitor outputs high-frequency alternating excitation signal to probe coil. Alternating magnetic field induces eddy current on metal rotor surface. The coil impedance changes as the gap between probe tip and rotor surface varies. Impedance variation signal returns to proximitor and is converted into linear analog voltage signal for real-time gap and vibration measurement.
Installation Requirements Screw probe into threaded mounting hole of equipment casing. Adjust initial static gap between probe tip and rotor target according to calibration requirement. Tighten lock nut firmly after gap setting to prevent loosening under machine vibration. Arrange cable path with proper slack to avoid tension caused by thermal expansion. Separate signal cable from high voltage power cable to reduce electromagnetic interference. Verify target metal surface flatness and size before installation.
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