Panasonic ex 10 ultra slim photoelectric sensor built in amplifier panasonic ex14bpn a front sensing diffused beam convergent reflective type photoelectric sensor with a dark on output the sensor has a sensing range of 2 to 25mm with a convergent point of 10mm and can detect objects such as copper wire down to oslash01mm this ultra slim device features a built in amplifier and a high speed response time and has an extraordinarily small size and flexible mounting design making it espec