Technical Specifications Probe Tip Diameter:11 mm Linear Measurement Range:0~2.54 mm Integral Cable Length:7m Insulation Material:PTFE Operating Temperature:-55℃ ~ +177℃ Connector:Microdot connector Frequency Response:0~10kHz
Functional Features Large linear measuring range for heavy-duty rotating machinery. 7m integrated cable for long distance signal transmission. High temperature resistant probe and cable for high temperature field. Stable signal output under strong vibration environment. Threaded body and lock nut for gap adjustment and fixing. Full compatibility with Bently 3300 series proximitor system.
Application Scenarios Large steam turbine and gas turbine shaft monitoring with long cable layout. Centrifugal compressor thrust bearing displacement measurement. Power plant generator set rotor condition monitoring. Petrochemical plant critical rotating equipment online protection. High speed heavy pump and fan rotor vibration measurement.
Structural Characteristics Stainless steel threaded probe body with locking nut. High temperature PTFE insulated 7-meter integral cable. Hermetically sealed coil inside probe tip. Microdot connector at cable end. Anti-loosening threaded locking structure.
Working Principle Proximitor sends high-frequency alternating excitation signal to probe coil. Alternating magnetic field generates eddy current on metal rotor surface. The coil impedance changes with the gap between probe tip and rotor surface. The impedance signal is transmitted back through long cable to proximitor and converted into linear voltage signal for gap and vibration measurement.
Installation Requirements Screw probe into threaded hole of machine casing. Adjust initial static gap between probe tip and rotor target according to calibration value. Tighten lock nut after gap adjustment to prevent displacement under vibration. Arrange cable path with enough slack to avoid tension from thermal expansion. Separate signal cable from high voltage power cable to reduce electromagnetic interference. Verify target surface flatness and size before installation.
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