The signal input from a pressure transducer to a 12 bit data logger has a range

Question

The signal input from a pressure transducer to a 12 bit data logger has a range of 0 to 5 volts. Knowing the calibration for the sensor is 0 psi = .5 volts and 2000 psi = 4.5 volts, answer the following questions. a. What is the number of discrete segments? b. What is the linear calibration for the sensor? c. What is the smallest voltage increment in millivolts? d. What is the smallest pressure increment in psi? e. If you needed an accuracy of 0.5psi for your intended application, would this sensor and logger be appropriate? f. What voltage for the given A/D converter must be exceeded in order for the data system to be recording noise along with the data?

Explanation / Answer

Discrete segments is 2^12 that is 4096.

Linear calibration is (V-0.5)/4*2000 psi

smallest increment is 5V/4096 0.00122V ie 1.22 mV

smalles pressure increment is 1.22/4*2=0.61psi

The accuracy is slightly worse.

We need to exceed 0.5 V to record noise with data

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.