To always safely execute medical operation by facilitating the environmental check of an operating room.

This device is provided with a particle counter and a laughing gas sensor for measuring the number of dusts and laughing gas concn. in air in the operating room and provided with a means which respectively measures the non-contact state of a non-contact power source wired to power source outlets CM1 to CM4 of the operating room and the current consumption of a medical equipment connected to the power source outlets, displays air conditioning managing information on the measured number of dusts, the concn. of laughing gas, etc., and current consumption loaded to the power source outlets on a liquid crystal display provided on the wall surface of the operating room and displays the bird's eye view of the operating room on the liquid crystal display 8 to alarm-display the abnormality of the measured value and abnormal place on the bird's eye view.