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rotational speed measurement,
turbine speed sensor
ZHJ-2 vibration sensor can tum vibration signals into electric signals using magnetic induction principle.
It mainly consists of magnetic circuit,coil components,spring damping components and etc.There are tow coil components rigidly fixed inside the sensor shell,and a magnet hanging on the shell by a sping.When the sensor is operating in its frequency range,there would be a relative movement between the coils and the magnet,the coils will cut magnetic lines,and generate an iductive electromotive force (inductive voltage),this voltage is proportional to the vibration rate of the sensor shell.
5.Environmental temperature:-10~100℃(pelative humidity;≤90％)