EGE flow sensors LDN 500 monitor the flow rate of gaseous media from 0.2 to 60 m/s. They have one-piece measuring tubes with an inner diameter of 9 mm made of the very durable stainless steel V4A (1.4571). They operate with low maintenance, no moving parts and no pressure loss. The sensors offer switching, relay or analogue output. The devices can be set up intuitively by means of a potentiometer and LED display.