Eddy Current Displacement Pick Up 1.2.4 ~ 20mA current output 2.Power supply: +18Vdc~+30Vdc 3.Frequency response: 0~10 kHz YD9800 Eddy current displacement pick upcan measure the relative position of the measured object (must be a metal conductor) and the probe end. Because of its features of non contact measurement, long-term high working reliability, high sensitivity, strong anti-interference ...