Gefo Centra battery acid scale, deluxe version. Works with a small amount of liquid. Large float with easy-to-read scale, with color and number division. The float does not continue to fluctuate after being sucked in and does not stick to the wall due to a special spacer. - Suitable for testing the density of the battery acid to determine the state of charge of the battery - Battery acid scale with a plastic housing, 45 mm suction hose, float and suction ball - Measuring range 1.1 - 1.3 g/ml - Reading accuracy 0.01 g/ml - Total length 255mm - Weight 100g