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What is the difference between SG Hydrometers and Density Hydrometers?All hydrometers work on the principle of displacement, however there are two common types to choose from and the below descriptions can help choose which type may be suitable for your application.Density HydrometersDensity hydrometers read mass by unit of volume at a given temperature. For example, a reading of 1200 on an Australian Standard density hydrometer indicates that the liquid has a mass of 1200kg per cubic meters …

For users checking the density of different fuels, there are several common hydrometers we provide. These hydrometers will suit standard density ranges, however it's always best to check with our friendly sales staff if a hydrometer recommendation needs to be made. A single hydrometer can be used for 98% high octane fuel, whereas two hydrometers may be required for jet fuels and avgas. AVGAS Fuel Models Model: KD700BSSP Density Hydrometer 0.650-0.700 L50SP x 0.0005g/ml ± 0.0 …