1. Pressure transducers are commonly used to meas Multimeter signals usually in the range of 4 mA to 20 mA or 0 V-dc to 10 V-dc in response to applied pressure. The system whose schematic is shown in Fig. 1 can be used to calibrate pressure transducers. A rigid container is filled with pressurized air, and pressure is measured by the manometer attached. A valve is used to D regulate the pressure in the container. Both the pressure and the electric signal are measured Pressure transducer Valve Pressurized air, P simultaneously for various settings, and the results are tabulated in Table 1. Rigid container i. For the given set of measurements, -Manometer obtain the calibration curve in the form of P = al + b, where a and b are Mercury SG= 13.56 constants Figure I ii. Determine the values of the constants a and b III. calculate the pressure that corresponds to a signal of 10 mA and 20 mA.

1. Pressure transducers are commonly used to meas Multimeter signals usually in the range of 4 mA to 20 mA or 0 V-dc to 10 V-dc in response to applied pressure. The system whose schematic is shown in Fig. 1 can be used to calibrate pressure transducers. A rigid container is filled with pressurized air, and pressure is measured by the manometer attached. A valve is used to D regulate the pressure in the container. Both the pressure and the electric signal are measured Pressure transducer Valve Pressurized air, P simultaneously for various settings, and the results are tabulated in Table 1. Rigid container i. For the given set of measurements, -Manometer obtain the calibration curve in the form of P = al + b, where a and b are Mercury SG= 13.56 constants Figure I ii. Determine the values of the constants a and b III. calculate the pressure that corresponds to a signal of 10 mA and 20 mA.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

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1. Pressure transducers are commonly used to meas
Multimeter
signals usually in the range of 4 mA to 20 mA
or 0 V-dc to 10 V-dc in response to applied
pressure. The system whose schematic is
shown in Fig. 1 can be used to calibrate
pressure transducers. A rigid container is filled
with pressurized air, and pressure is measured
by the manometer attached. A valve is used to D
regulate the pressure in the container. Both the
pressure and the electric signal are measured
Pressure
transducer
Valve
Pressurized
air, P
simultaneously for various settings, and the
results are tabulated in Table 1.
Rigid container
i.
For the given set of measurements,
-Manometer
obtain the calibration curve in the form
of P = al + b, where a and b are
Mercury
SG= 13.56
constants
Figure I
ii.
Determine the values of the constants a
and b
III.
calculate the pressure that corresponds to a signal of 10 mA and 20 mA.

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Pressure transducers are commonly used to measure pressure by generating analogue signals usually in the range of 4 mA to 20 mA or 0 V-dc to 10 V-dc in response to applied pressure. The system whose schematic is shown in Fig. 1 can be used to calibrate pressure transducers. A rigid container is filled with pressurized air, and pressure is measured by the manometer attached. A valve is used to regulate the pressure in the container. Both the pressure and the electric signal are measured simultaneously for various settings, and the results are tabulated in Table 1 i) For the given set of measurements, obtain the calibration curve in the form of P = aI + b, where a and b are constants ii) Determine the values of the constants a and b iii) calculate the pressure that corresponds to a signal of 10 mA and 20 mA. Table 1 Δh, mm 28.0 181.5 297.8 413.1 765.9 1027 1149 1362 1458 1536 I, mA 4.21 5.78 6.97 8.15 11.76 14.43 15.68 17.86 18.84 19.64
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