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What do I input in Excel? 3.3 Fluid Statics: Manometer Manometers used to be common pressure-measurement devices, but outside of laboratories, electronic pressure transducers are
What do I input in Excel?
3.3 Fluid Statics: Manometer Manometers used to be common pressure-measurement devices, but outside of laboratories, electronic pressure transducers are now more common. Manometers are sometimes still used to calibrate the pressure transducers. In the calibration system shown in the accompanying figure, the mercury manometer on the right and the pressure transducer on the left are both connected to a piston-driven pressure source filled with hydraulic oil (p = 880 kg/m). The bulbs connected to the transducer and the right side of the manometer are both evacuated (p= = 0). R hi Figure 3.62 Calibrating pressure transducers. During the calibration, the piston is moved to generate a pressure on both the manometer and the transducer. The manometer reading R is recorded, along with the output of the pressure transducer A (assuming a 4- to 20-mA output current from the transducer). Calibration Data Piston Setting hL (mm Oil) Manometer Reading (mm Hg) Transducer Output (mA) 1 300 0 4.0 2 450 150 5.6 3 600 300 7.2 4 750 450 8.8 5 900 600 10.4 6 1050 750 13.0 7 1200 900 13.6 8 00 1350 1050 15.2 9 1500 1200 16.8 10 1650 1350 18.4 11 1800 1500 20.0 a. Calculate pressures from the manometer readings. b. Create a calibration table and graph showing the transducer output (mA) as a function of measured pressure. 3.3 Fluid Statics: Manometer Mercury Density: Oil Density: Grav. Accel.: 13600 kg/m2 880 kg/m 9.8 m/s2 Use Formulas as: HL Convert h_(mm) to ht(m) Manometer Reading Convert (mm Hg) to (m) Pressure in (Pa) Equals to (Mercury Density * Gray Accel * Manometer Reading) - (Oil Density * Grav. Accel * HL) Pressure in (atm) Convert from Pressure Pa to Pressure atm (hint: divide by 101325) Manometer Pressure Pressure Reading (m) (m) (Pa) (atm) Piston Setting 1 2 TY MONO Calibration Data h Manometer Transducer Reading Output (mm Oil) (mm Hg) (mA) 450 150 5.6 600 300 7.2 750 450 8.8 900 600 10.4 1050 750 12.0 1200 900 13.6 1350 1050 15.2 1500 1200 16.8 1650 1350 18.4 1800 1500 20.0 6 8 9 10 Draw a Transducer Calibration graph hereStep by Step Solution
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