The VISCO GDV Magnetic Level Indicator is suitable for checking pressure tanks containing methane gas. Designed for adapting to tanks with diagonal seams, it allows the replacement of glass-smeared indicators. This device eliminates the need for frequent maintenance work. Operation according to the principle of communicating vessels. Equipped with a potentiometer transmitter, it allows continuous reading of the liquid level continuously. Installs sideways on the side of the tank.