tied vdel Plpsil ADCort 12. For a differential pressure transducer you collect t
ID: 2266437 • Letter: T
Question
tied vdel Plpsil ADCort 12. For a differential pressure transducer you collect the static calibration data in the table with a data acquisition system that has a 10 bit analog to digital converter (ADC) and voltage input range of 0-5 volts10 Write down the calibration function needed to display the pressure in a LabVIEW indicator 2.2 2. 12 (S pt) a. Ans/ (2 pt) b. What is the counts to volts conversion factor? And In the table write down the ADC count you would expect for each measurement. Ans/ (3 pt) c.With this system would you be able to monitor a system pressure of 50 Psi? Explain. Ans/Explanation / Answer
Answer:
a. Calibration function to display pressure: (Cfs/Vex)*(Vmeas/CF)
where,
Cfs = Full capacity - maximum pressure received by transducer
Ves = Excitation voltage - recommended input voltage
Vmeas = Measured voltage - raw voltage from the sensor
CF = Calibration factor - output of transducer
b. ADC input voltage and output code are related as :
Vin = (Output code)*(LSB size)
LSB size = FSR/2^n
where, FSR = full-scale input range of ADC
n = no. of bits in ADC output code
2^n = total no. of ADC codes
c. Yes, we would be able to monitor a system pressure of 50 psi with this system.
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