... control 6~4000mm gas meter,air flow meter,flowmeter:industrial use,all gas, natural gasSBL digital target flow meter is improved from ... energy industry, food industry, environmental protection and water conservancy etc. High accuracy, anti-interfere, anti-impurity, anti-acid, corrosion resistant, ... can be changed by replacing target according to need. LCD display.4-20mA, 0-10V, impulse, and RS485 ...