... 20mA,RS485 4.support remote control water flow meter (LCD display),water level meterSBL digital target flow meter is improved ... gas, natural gas, petroleum industry, chemical engineering, energy industry, food industry, environmental protection and water conservancy etc. High accuracy, ... range can be changed by replacing target according to need. LCD display.4-20mA, 0-10V, impulse, and RS485 outputs. ...