... 2 d profile measurement;5, FTM series laser displacement sensor performance metrics6, the optical parameters7,Laser diode laser properties: red.8,Wave length: 620 nm ... to 24 v.16,Current: less than 170 ma.17,RS232, RS485 or RS422 output format: the digital quantity, simulation quantity ... dust on the mirror. 3, please do not contact lens with your fingers. 4, apply a clean soft cloth to wipe ...