... reliability and durability high accuracy Nitrate flow meter (LCD display)Characteristics:1. l Measurement flow of liquid, ... be changed by replacing target according to need. 10. l LCD display.11. l 4-20mA, 0-10V, ... be changed by replacing target according to need. 10 ,LCD display.11,4-20mA, 0-10V, impulse, ... protocol,GPS.Our digital flow meter are all LCD display,it also can show accumulated flow and ...