Technical Specifications Passive sensor without external excitation power supply; threaded metal housing; outputs sine wave pulse signal, frequency proportional to rotational speed; wide industrial operating temperature range.
Functional Features Non-contact rotational speed measurement, strong shock and vibration resistance, simple and robust mechanical construction.
Application Scenarios Medium-duty diesel generator, gas engine and turbine speed feedback loop.
Performance Parameters Stable pulse output within rated working speed range; no mechanical contact abrasion, low maintenance requirement.
Structural Characteristics Threaded metal housing, internal permanent magnet and induction coil assembly, shielded signal cable.
Working Principle Periodic change of magnetic flux occurs as gear teeth sweep the sensor head, generating induced pulse signal. The pulse frequency corresponds to the rotational speed of the prime mover.
Installation Requirements Set the correct air gap between sensor tip and gear teeth; secure lock nut tightly against vibration loosening.
Usage Notes Protect the sensitive sensing head from mechanical impact; inspect air gap and cable insulation periodically.
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