A measured value indicator system comprises an arithmetic means for reading the measured value inputted from a measured value inputting terminal to acquire an indication control quantity corresponding to the measured value, a measured value indication unit for making an indication corresponding to said measured value on the basis of the indication control quantity acquired by said arithmetic means and a measured value reading control means for controlling the permission and inhibition of said measured value inputted from said measured value inputting terminal in accordance with passage of a predetermined time from a starting timing of indication of said measured value.
