CALIBRATION OF A NEW CAPACITIVE TORQUE SENSOR FOR MEASURING BASIC MAGNETIC CHARACTERISTICS WITH ELECTROMAGNETIC AND GRAVITATIONAL FORCES

With a newly designed capacitive torque sensor a multipurpose magnetometer for measuring basic magnetic characteristics such as hyteresis loops, magnetic anisotropy and magnetostriction was built. In order to calibrate the capacitive torque sensor, we measured the output voltages of the sensor by applying the torques due to the electromagnetic and gravitational forces. Experimental results of the several calibration method for the capacitive torque sensor showed good agreement within 3 %.