... field monitoring, detection field.2, FTM series laser displacement sensor applications1, reflector measurement of various objects in the distance;2 ... ,Working voltage 5 v or 18 to 24 v.16,Current: less than 170 ma.17,RS232, RS485 or RS422 ... 10V,4-20mA,PNPSize10mm & 30mWeight40X60X173mmmeasuring range300g6, FTM series laser displacement sensor device maintenance and maintenance 1, clean and dry. 2, ...