Patent ID: 6838656
Filing Date: 2005-01-04
Classification: G01V

Abstract:
1. A photoelectric sensor comprising: a sensor unit having a casing, said casing including a first surface extending in a longitudinal direction and a transverse direction, said first surface having a first display and a second display each being disposed substantially adjacent to each other along the transverse direction and extending along substantially equal positions in the longitudinal direction of said first surface, said first display being a numerical display capable of displaying a plurality of numerical digits and being capable of displaying 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 capable of displaying 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, an adjustment means for adjusting the threshold value displayed on said first display while displaying at least one actual condition on said second display, and wherein said adjustment means is disposed on said first surface at a different longitudinal position than said first display and said second display.