... meter with good quality and tech advanced testing equipment convenient installation and maintenance superior service Specifications:A;SBL digital flow meter,intelligent ... by replacing target according to need. 10 ,LCD display.11,4-20mA, 0-10V, impulse, and RS485 outputs.12,Easy installation ... lifetime 1~2 years),external power supply of 24VDCOutput forms:4-20mA;pulse,0-10V;RS232/RS485;Hart protocol,GPS. ...