... 10- 50 deg. 5,Operating Voltage PT-FTM50;Series of laser displacement sensor1, FTM series laser displacement sensor is ... used for 2 d profile measurement;5, FTM series laser displacement sensor performance metrics6, the optical parameters7,Laser diode laser properties: red ... : - 30 °C to + 80 °C.5, models table, FTM series laser displacement sensor ModelPT-FTM-50measuring range0.05m-70mprecision1mm ...