... ranging sensor also has a wealth of industry data interface (RS232, 485, 422, 0-10 v, 0 to 5 v, 4-20 ... to 24 v.16,Current: less than 170 ma.17,RS232, RS485 or RS422 output format: the digital quantity, simulation quantity ... maintenance 1, clean and dry. 2, blow off the dust on the mirror. 3, please do not contact lens with your ...