Digital ultrasonic level indicator suitable for 208 l drums

Digital, ultrasonic level indicator, suitable for the use in 208 l – drums. It is easy to install and easy to read. It is inserted into a drum through its 3/4” – opening and is also fixed there. Automatic measurement: each 20 minutes the drum level is automatically controlled, without showing any value on the display. Once the level has reached a value between 20 l and 10 l, the display will show a first alarm, once the level has reached then less than 10 l a second alarm will be displayed. Instantaneous measurement: if the drum level is between 145 land 20 l the exact product quantity is displayed. The level indicator is fed by an AAA alkaline battery.