... high performance and lower price made by us. liquid level meter-ZTD-G Displacer Liquid (Interface) Level Transmitter is one of ... Density RangeLiquid Level300, 500, 600, 800, 1000, 1500, 2000, 25000.3 – 1.6g/cm3Interface Level500, 600, 800, 1000, 1500, 2000, 2500more ...