Technical Specifications Rated power supply DC‑24V. Operating ambient temperature ‑40℃ ~ +85℃, relative humidity 5%‑95% non‑condensing. IP20 protection grade. Support DIN‑rail cabinet installation. Calibrated for specified total system length of probe plus extension cable. Match 7200 series 5mm proximity probe. Output linear gap‑voltage signal for monitoring module acquisition. Equipped with multi‑group signal wiring terminals.
Functional Features Generate high‑frequency oscillation excitation signal to drive eddy‑current proximity probe. Convert gap distance variation between probe and metal target into linear DC gap‑voltage output. Built‑in circuit realizes fault diagnosis for probe open‑circuit, short‑circuit and cable abnormality. Compact module structure convenient for cabinet DIN‑rail installation and on‑site replacement.
Application Scenarios Steam turbine shaft vibration and thrust displacement monitoring, centrifugal compressor rotor displacement supervision, high‑speed rotating machinery protection system in petrochemical and power plant, non‑contact gap measurement for large rotating equipment.
Performance Parameters Measurement linearity conforms to Bently 7200 series proximity transducer specification. Output voltage stability adapts to long‑term continuous industrial cabinet operation. Frequency response meets rotating machinery vibration measurement requirement.
Structural Characteristics Compact metal shell module structure. Multi‑group signal wiring terminals for power supply, probe signal and output connection. DIN‑rail clamping buckle for quick mounting and dismounting. Internal integrated high‑frequency oscillation circuit and signal conditioning circuit unit.
Working Principle Proximitor internal oscillation circuit generates high‑frequency radio‑frequency excitation signal and transmits to proximity probe coil. Eddy‑current effect occurs on metal target surface, probe coil equivalent impedance changes along with gap distance variation. Internal conditioning circuit converts impedance change into linear DC gap‑voltage signal and outputs to rear‑end monitoring module.
Installation Requirements Install module on cabinet standard DIN‑rail. Strictly follow wiring definition to complete power supply, probe cable and output signal wiring. Confirm DC‑24V power supply parameter meets specification. Keep installation position away from high‑voltage cables and strong electromagnetic interference sources.
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