A temperature measurement system has the following specifications: -128 to 781°C Range Linearity error 0.29% FSO Hysteresis error 0.12% FSO 0.04% FSO Sensitivity error Zero drift 0.32% FSO FSO stands for "Full Scale Output". Estimate the overall instrument uncertainty for this system based on the available information. Use the maximum possible output range over the FSO in your computations.
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- (b) The following graph of p versus was obtained. Error bars were negligibly small. 4 3. p/ 105PA 2- 1 4 / m-1 The equation of the line of best fit is p = a+ Determine the value of b including an appropriate unit. (c) Outline how the results of this experiment are consistent with the ideal gas law at constant temperature. F TFeel d 3-Lab 2-Measurement Asynch - Tagged.pdf Page 4 of 7 ? Part I: Taking Measurements & Estimating Uncertainties for a single measurement www.stefanelli.eng.br The mass of the object is_ 0 i Parts on a tripie peam palance 0 0 10 20 30 1 100 2 3 40 200 4 +/- 50 60 70 5 300 7 400 80 Qv Search 8 90 9 500 100 9 10 g www.stefanelli.eng.br2. Consider the voltmeter calibration data in Table 1. Plot the data using a suitable scale. a) Specify the percent maximum hysteresis based on full-scale range. b) Referring to increasing input calibration, determined the sensitivity and linearity errors. Increasing input (mV) Decreasing input (mV) X Y Y 0.0 1.0 0.1 5.0 5.0 1.1 4.0 4.2 2.0 2.1 3.0 3.2 3.0 3.0 2.0 2.2 4.0 4.1 1.0 1.2 5.0 5.0 Table 1: Calibration results 0.0 0.2
- Sample Paychrometrie Chart (Use the Chart from the Weather ToolKit 6.0 WET BULB (WB) TEMPERATURE 5.5 35 5.0 作30 4.5 300 4.0 25 HMIDI 3.5 20 3.0 2.5 15 20 68% 2.0 S0% 1.5 10 (kPa) 100 1.0 20% 0.5 10% 0.0 -10-5 0 5 10 15 20 25 30 35 40 DRY BULB TEMPERATURE (Celsius) At a temperature of 25 °C what is the mixing ratio if the relative humidity is E Work from the printed chart from the Tools folder O a) 12.5 g/kg Ob) 16.5 g/kg O) 18.5 g/kg O d) 20 g/kg O e) 22.5 g/kg VAPOUR URETask 3-a: If you have four instruments used to measure a temperature of 50.02 C inside the factory. However, the instruments gave different readings for different trials as follows: Instrument 1 20 30 40 50 60 70 80 51 49 Instrument 2 49 49 49 49 49 49 49 49 49 Instrument 3 48.01 48.03 49.02 49.01 50.00 48.02 47.09 47.05 47.80 Instrument 4 17.01 17.02 17.09 17.03 17.01 17.03 15.09 19.02 17.00 1. Define the resolution of an instrument. 2. Define the sensitivity of an instrument, then explain how the sensitivity of an instrument can be calculated. 3. Define the accuracy of an instrument system and explain using your own words how the accuracies of different instruments are compared. 4. Define the precision of an instrument system and explain using your own words how the precisions for different instruments are compared.A thermocouple is used to measure the temperature T1. The thermocouple reference junction labeled 2 is at a temperature of 20°C. The voltage output is measured using a potentiometer and found to be 4.686 mV. What is T1 in degrees RK: if the temperature values are not in the table, you have to use interpolation. Select one: O a. 98 O b. 118 O c. 105 O d. 108 Previous page Next page
- A thermocouple was used to measure the temperature. Over the range of temperatures expected in the experiment, a linear regression analysis was performed for the temperature as a function of voltage. The best-fit equation was T = (-0.008563 + 220*V), where V is the thermocouple voltage. The voltage was fed into a 11-bit A/D converter with a voltage range of -8 V to 8 V. Determine the measurement resolution (in °C) due to the ADC? O 0.851 None O 3.113 1.710 0.393 4.960 1.144 O 3.79723 Q5. Whate is thc exact reading for the following in mm -10 1. Reading= TTTTE 4.30 012343 -20 10 2.75 2. Reading= TTE 012 20 20 -15 3. Reading=. -10 MITT 5 0123E 3.85 USF1| 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.
- 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 PracticeA laboratory temperature standard is used to calibrate an automated temperature measuring system from sensor through conditioning equipment to its final indicated output value. The measuring system sensor is placed in the identical environment as the standard sensor. The indicated output values from the system are compared over a range of temperatures based on many readings at each of six setpoint temperatures. Estimate a value for the systematic standard uncertainty in the offset correction of the temperature measuring system. Setpoint (C) Indicated Mean ("C) Offset ("C) 0.000 20.000 40.000 60.000 80.000 100.000 0.046 20.067 40.072 60.133 80.057 100.116 0.046 0.067 0.072 0.133 0.057 0.1163. Problem Estimate the frictional resistance Rp for a container ship using the ITTC 1957 model-ship correlation line Equation (2): 0.075 CF [ log,,(Re) – 21 The ship has the following particulars: Full scale ship data length between perpendiculars Lep length in waterline length over wetted surface 195.40 m Lwz Los For the wetted surface S you can use the following formula by Kristensen and Lützen (2012) derived for container ships. 200.35 m 205.65 m breadth B 29.80 m draft T 10.10 m 37085.01 m3 S = 5 + Lw. T 0.995 displacement design speed Again, use the most up-to-date ITTC water properties sheet for density and kinematic viscosity. V 21.00 kn