Patent ID: 6555806
Filing Date: 2003-04-29
Classification: G01V

Abstract:
A photoelectric sensor comprising:a sensor unit having a casing, said casing including one surface having a first display and a second display, said first display being a numerical display capable of displaying a plurality of numerical digits and being structured and arranged to display a threshold value that may be set by an operator of said photoelectric sensor, said second display being a numerical display capable of displaying a plurality of numerical digits and being structured and arranged to display actual conditions sensed by said photoelectric sensor, the actual conditions sensed by said photoelectric sensor and displayed on said second display include an amount of light received by said photoelectric sensor and a detection ratio; and a selection device for selecting different operational values to display on said second display including selecting to display the amount of light received by said photoelectric sensor and the detection ratio, wherein said selection device includes a mechanism disposed on said casing for changing the different operational values on said second display.