PURPOSE: To provide the adjustment of a zero point and span in a state where this can approach from the outside of the housing of a transmitter.
CONSTITUTION: An actuator 100 includes a first operating arm 114 and a second operating arm 116, and substantially the same two magnet returning means related with those arms, that is, a first returning spring 118 and a second returning spring 120. A top cover 104 includes a first opening 122 and a second opening 124. An operating pin is engaged to related one of a first long hole 138 and a second long hole 140, the operating pin is engaged to the first long hole 138, a tool top is inserted into a long hole 134a, and an anti-clockwise rotational torque is applied. Then, a magnet carrier 112 moves a track 108 to a right side wall 106d direction.
BIKUTAA JIEI BUUDAN
HARORUDO DABURIYUU TOMUPUSON
