... reliability and durability high accuracy Nitrate flow meter (LCD display)Characteristics:1. l Measurement flow of liquid, ... changed by replacing target according to need. 10 ,LCD display.11,4-20mA, 0-10V, impulse, and ... li batter,(lifetime 1~2 years),external power supply of 24VDCOutput forms:4-20mA;pulse,0-10V ... protocol,GPS.Our digital flow meter are all LCD display,it also can show accumulated flow and ...