... 4,Operation temperature:-10- 50 deg. 5,Operating Voltage PT-FTM50;Series of laser displacement sensor1, FTM series laser displacement sensor is introduced:FTM series ... .5Wspot diameterRS232,RS485,0-5V,0-10V,4-20mA,PNPSize10mm & 30mWeight40X60X173mmmeasuring range300g6, FTM series laser displacement sensor device maintenance and maintenance 1, clean ...