The pressure reading is directly proportional to the weight of diesel above the sensor, so the level is calculated by first multiplying the density and acceleration due to gravity together, and then dividing the result into the pressure reading. For a tank with uniform vertical shape such as a vertical cylinder or a rectangular one, this calculation is very straightforward. If you know the density and weight of the diesel, then you can calculate the height or level of diesel fuel. The level of diesel fuel in a tank is one of the dimensions used to calculate the volume of diesel fuel. What parameters are required to convert a pressure reading into diesel fuel level? Help Pressure to diesel fuel level conversion This is the calculated height of fluid above the point at which the pressure is measured. The default value is set to 9.80665 ms -2 which is standard gravity. The local gravity is dependent on several factors such as latitude, height above sea-level, local geological density, etc… Refer to your national geological survey data for your location or use this local gravity calculator to determine a close approximation. Local Gravity (g)Įnter the acceleration due to gravity for your geographical location in metres per second per second (ms -2).
The default value is set to an SG of 1.00, which corresponds to fresh water at 4 degrees Celsius. Specific Gravity (SG)Įnter here the ratio of liquid density compared to the density of fresh water (1000 kg/m 3). If the top of the liquid column is sealed, it will be necessary to detemine the pressure difference to correct for any positive or negative pressure acting on the liquid surface. In most applications this will be the measured pressure since the top of the fluid column is vented to atmosphere, and the pressure is typically measured in relation to atmospheric pressure. It is assumed that the pressure value is the difference in pressure between the measurement point and the top of the fluid. fresh water = 1)Įnter the pressure reading measured at the base of the fluid column. ρ 0 = Density of fresh water (1000 kgm SG = Specific gravity of liquid (e.g.The calculation formulas used for this tool are: This calculator and conversion scale is used to determine the height of a column of liquid from the pressure generated at the bottom of the liquid column and show a custom pressure to liquid depth conversion scale. Fluid depth to hydrostatic pressure calculator.Pressure to diesel fuel level conversion.
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