A flow meter sensor is connected to the microcontroller card to convert the signal anddisplay it as a volume flow rate (L/min.) on the data show screen. Standard volume(graduated cylinder) with stopwatch were employed to calibrate the assemble system, andthe calibration results were tabulated as following:Measuri L/min.515254.55768ng valueRealL/min. 5355576471 76770737480valueDetermine:1- Absolute relative error (ARE).2- Mean value, deviation (error) value and standard deviation (σ).3- Draw the calibration curve.

To calculate the absolute relative error (ARE), mean value, deviation (error) value, standard…

Answered: A flow meter sensor is connected to the…

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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1| 2 | 3 | 4| 5 | 6 7 8 9 10 Measurement Flow Rate (liters/hr)| 1066 1022 | 1143 995 1004| 927 | 1024 | 945 979 | 1059 1. The table above contains 10 measurements taken of the volume flow rate through a pump running at a fixed operating conditions. Find the following statistical quantitie for this data set: a. The average flow rate: Vave liters/hr. b. The median flow rate: Vmedian liters/hr. c. The sample standard deviation: 0, liters/hr.
The potentiometer was initially invented to measure linear displacement of moving objects. Decades later, engineers invented LVDT to do the same task. What is the main advantage of LVDT over conventional potentiometer? Paragraph V B I Lato (Recom... く 19px... KY
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3. The results of a simple calibration of pressure transducer and its specification are shown in Figure 1 and Table 1. The sensitivity of the pressure sensor is 0.5 V/kPa (given by manufacturer) and the linear curve fit for the upscale calibration is given as y = 0.51x +0.02 . a) Calculate the hysteresis and linearity errors for this calibration. b) Please discuss either the pressure transducer can now be used for the actual measurement or not. Table 1: Pressure tansducer specification Оperation Input range 0- 5 kPa + 15 V 0 - 2.5 V Excitation Output range Performance Linearity error ± 3 % Hysteresis Less than + 15% Sensitivity error + 5% Thermal sensitivity error + 0.02% / °C Temperature range 0 - 50 °C 2.5 upacale mesurement downscale measurement 0.5 0.5 3.5 pressure, kPa Оприt, voltage ((V) Upscale Input, pressure (kPa) Downscale 0.00 0.00 1 0.53 0.48 2 1.05 0.94 3 1.62 1.45 4 2.12 1.95 5 2.50 2.50 Figure 1: Calibration results (plot and tabulated data)
1
b) A linear variable displacement transducer (LVDT) senses displacement and indicates a voltage output, which is linear to the input. Figure 1 shows an LVDT setup used for static calibration. It uses a micrometre to apply the known displacement and a voltmeter for the output. i) Suggest the independent, dependent and extraneous variables in this calibration. ii) Indicate the basic functional elements of the device in Figure 1 in the form of block diagram. 10 Micrometer Fixed mounts Connector Excitation voltage in Figure 1 Primary coil xx_w_ LVDT E Output voltage 10.135 Voltmeter Secondary coil Core
4:07 3G l. Moodle A bbb2.du.edu.om EE ...Session (15-3- Said Grami O College of Engineering Vision for the Future Question 3 During a step function calibration, a first-order instrument is exposed to a step change of 200 units. 1- If after 1.5 s the instrument indicates 140 units, find the instrument time constant. 2- find the error in the indicated value after 2 s S. 3- Find the raise time at 90 % of the system. y(0)=0 units; K=1 unit/unit. Question 4 A first order instrument with a time constant of 2 seconds is to be used to measure a periodic input. If a dynamic error of ±2% can be tolerated, 1- determine the maximum frequency of periodic input that can be measured. 2- What is the associated time lag (in seconds) at that frequency? MECH374: Instrumentation and Measurement Said Grami Practice
QUESTION 2 Solve the following differential equation in Matlab using ode45.m. Use time interval of 0.1 second. (Don't use options in ode45 to change teh tolerance.) d²x(t) dt² x(0)-1, +x²=0 dx dt #L- =1. =0 What is dx/dt (t=2.5)? -0.217 -1.32 0.432 0.556 -0.485 ○ 0.120

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