When finished, return the ruler and sheet to the front bench. This report has discussed the development of a temperature measurement and display system. Length of time the hot water fizzed data length of time the cold water fizzed hypothesize how the temperature of the. Calibration and determination ph value using ph meter. Thermal conductivity is a measure of the ability of a substance to conduct heat, determined by the rate of heat flow normally through an area in the substance divided by the area and by minus. It includes eight different temperature measurement devices and shows their characteristics and how to calibrate. Objectives after completing this lab, you will be able to. Sample conclusion this report has discussed the development of a temperature measurement and display system. This lab helped us learn how to make measurements using a caliper and how to use measurement uncertainties to find the density of the steel ball and compare it with the accepted value of 7.
Lab report testing reactions with a calorimeter a team was sent to the chemical manufacturing division of a small chemical company to help the technicians with experiments. Attached to this pressure vessel was a pressure transducer and thermocouple to measure the pressure and the temperature, respectively, of the air inside the vessel. In this experiment, it is required to measure the temperature of water bath and furnace by various instruments. Blood pressure is the main regulated component of the cardiovascular system. Measurement of temperature using rtd as well as thermocouple and study their characteristics. Experiment 1 measurement of thermal conductivity of a. Conclusions in longer laboratory reports, a conclusion section. Experiment 1 measurement of thermal conductivity of a metal. She hypothesized that as water temperature increases, the amount of oxygen that is dissolved in water increases. Familiarize students with different ways of temperature measurements, fixed. Astm hg thermometer regular hg or alcohol thermometer keep the same one for the entire temp lab davis weather station temperature probe thermocouple, bead thermistor, or platinum resistance thermometer dewar wind tunnel stopwatch ice electric kettle water paper towels 2. Lab conclusion this should be written like you are turning.
The use of thermocouple extension leads appears to have no effect on uncertainty. This web page presents a sample laboratory report written in a thermal fluids course me 2984 at virginia tech. Experiment 1 measurement of thermal conductivity of a metal brass bar introduction. How to write a lab report conclusion pen and the pad. Check the rubber hose attached to the bunsen burner for cracks or splits. Extension leads had no influence on temperature measures. Denise was measuring the effect of temperature on the amount of dissolved oxygen that water can hold.
Both of these transducers produced voltage signals in volts that were calibrated to the pressure kpa and temperature k of the air the atmospheric pressure for where the experiment occurred is assumed to be. Report the temperature resolution of each of the transducers in the set ups that you used in the experiment01 for the thermocouple. Accompanying this report is a lab handout that states what the instructors expected as far as the scope of the experiment and the depth and organization of the report. The following is a description of the different gauge locations. Place approximately 350 ml of distilled water in a 500 ml beaker. Posted on august 31, 2016 august 31, 2016 by loh rui ying.
The thermocouple should be prepared for measuring the temperature, this is done by joining the ends of both wires, either by mechanical means, or by welding them electrically, and electrical welding is used in this experiment. This high sensitivity to temperature change make the thermistor extremely well suited to precision temperature. Which conclusion did denise most likely write in her lab report. The wheatstone bridge introduction the wheatstone bridge is a circuit used to compare an unknown resistance with a known resistance.
To meet this wide array of needs the process controls industry has developed a large. Density lab report density is defined by its mass per unit volume, and is most often written in mathematical terms as. While the water is heating, determine and record the mass of a clean, dry 50ml beaker to the nearest 0. Connect the thermocouple free ends to the voltmeter, and set a scale of 103, i. In addition, the unit may be used to be to provide a temperature measuring facility for use with other laboratory experiments.
For example, the baroreceptor reflex increases blood pressure when a person stands up too quickly and their blood pressure drops. Dec 10, 2014 calorimetry is the measurement of the amount of heat gained or lost during some particular physical or chemical change. We recommend authors use caution when collecting temperature data where a thermal modality is applied to physitemps it21 thermocouple leads. The objectives of this lab were to develop the necessary hardware and software to have the hc11 measure temperature and indicate whether that temperature fell outside of prescribed limits. Measure the dimensions of the two geometric shapes. Temperature measurement reliability and validity with. Having reliable instruments to use for measurement in the lab is very important.
She hypothesized that as water temperature increases, the amount of oxygen that is dissolved in water. Nov 10, 2014 process control instrumentation lab and labview report 1. In this experiment, we will find out how the variation of the value of an equilibrium constant with temperature. Flow presure gauge location all of the systems in our plasma lab use pressure gauges to interact with control systems. Learn the parts of a lab report including the title page, abstract, introduction, methods, results and more. A conclusion restates your goals and methods, includes any final data and notes whether you were able to successfully answer the questions posed by your experiment. Apr 17, 2017 when you are assigned a lengthy lab report, it is important to include a conclusion paragraph to sum up your procedures and results for your reader. The experiment shows how a thermocouple is used to measure unknown temperature with respect to a known reference. Temperature is a very critical and widely measured variable for most mechanical engineers. The following sample conclusion uses the project summary findings structure 1. Heat 250 ml of water in a 400ml beaker until it is boiling gently. Temperature measurement in todays industrial environment encompasses a wide variety of needs and applications. Pdf effect of ambient temperature and attachment method on. Measurements in the laboratory experiment chemistry.
Ambient air temperature hence temperature of j2 v2 vreading vreading 2. Mj 2440 measuring techniques lab no 01 temperature measurement. Therefore evaluating the source temperature this way is much easier than using the formula. In this lab, you will also calibrate the davis temperature sensor for your weather station. Heats of fusion or vaporization, heats of solution, and heats of. To start this experiment, first need to switch on the ph meter and wait about half an hour for the electronics to be heated. It is one of the most electrical effective measuring device.
This file contains a report for the 8th experiment in the lab. Mesb333 exp 3 temperature measurement free download as pdf file. The temperature of the mercury in glass thermometer will be taken as a reference. The objectives of this lab were to develop the necessary hardware and software to have the hc11 measure. If your results are not within 2 of the expected temperature, consult your laboratory instructor. Bunsen burners can be found in the tall cabinets at the lab benches. The purpose of this experiment was to learn about ph as a measurement and how to measure ph. Lab conclusion this should be written like you are. Accompanying this report is a lab handout that states what the instructors expected as. Recall though that the change is temperature d t is defined as.
Conclusions this report has discussed the development of a temperature measurement and display system. In doing so i have been able to properly take temperature readings indirectly using the signal output and then using the calibration curves i created in order to compute. It includes eight different temperature measurement devices and shows their characteristics and how to calibrate them against a standard. Its regulation allow s the body to respond to physiological changes and maintain homeostasis. This should include observations that you made, data that you collected, and calculations that you performed. Therefore, especially in lower temperatures range of 100c to 300c, or. Laboratory for protection and physiology, swiss federal. Reaction rates and temperature lab hypothesis conclusion. Evan odom, eileen mirynowski lab 6 memo 1024 lab 6 raw data thermocouples. Make measurements to the nearest 110 of a millimeter using a meter stick. The builtin precision reference sensor works as an accurate temperature reference.
Temperature missouri university of science and technology. Pdf accurate measurement of skin surface temperature is essential in both. According to the lab manual, for the report we are supposed to create two graphs, one with all the points and the second one with only the points in the. Temperature change and equilibrium woochul jin jeeyoon kong, alla asmerom hagos 03222011. Thermal conductivity is a measure of the ability of a substance to conduct heat, determined by the rate of heat. In conclusion for the thermocouples experiment the law of. The objectives of this lab were to develop the necessary hardware and software to have the hc11 measure temperature and indicate whether that temperature fell. We recommend authors use caution when collecting temperature data where a thermal modality is. First, to introduce the basic operating principles of several common methods of temperature measurement such as, liquidinglass thermometers. Flow presure gauge location all of the systems in our plasma lab use pressure gauges to interact with control systems, which make it possible to maintain a steady pressure and gas flow in the process chambers.
Conclusion through this experiment i have established an understanding of the relationships between the transducers and temperature as well as the operation of this equipment. The temperature measurement and calibration apparatus td400 fits on a desk or bench top. Since the notes written by the technicians were inaccurate and unfinished, all of the experiments they had preformed needed to redone and documented correctly. Heat 250 ml of water in a 400ml beaker until it is. Lab conclusion this should be written like you are turning it into an english teacher.
The temperature change tends to change the resistance of the material being used for this purpose, so the material draw a. Mesb333 exp 3 temperature measurement thermocouple. However the lack of significant figures in the weight measurement made the overall calculation exactly the value of the given density. Gutech temperature measurement demonstrating different temperature measurement techniques. In this lab, you will also calibrate the davis temperature sensor for your weather.
Aug 31, 2016 to run this test smoothly, it needs a ph meter, beakers, buffer solution with ph 4 and ph 10, tap water and soft tissues. Report any bad hoses to your instructor so they may be. First, to introduce the basic operating principles of several common methods of temperature measurement such as, liquidinglass thermometers, thermocouples and thermistors and how to calibrate these devices. In conclusion, for the thermocouples experiment the law of intermediate metals and temperatures were shown. Density is not a property that depends upon the amount of substance present. Graph for source temperature depending on filament temperature for tungsten in the wavelength range of 650 nm. There is a zero and gain adjustment pot provided for the calibration purpose. Conclusion through this experiment i have established an. Using these uncertainties we can find out whether our measurements were accurate, precise, and realistic. This paper is a lab report for the temperature experiments performed at the ltt lehrstuhl fur technische thermodynamik performed at the rwth aachen university lab in germany as part of a thermodynamics lab course. When you are assigned a lengthy lab report, it is important to include a conclusion paragraph to sum up your procedures and results for your reader.
Labpaq lab techniques and measurements essay 1512 words 7 pages. Calorimetry is the measurement of the amount of heat gained or lost during some particular physical or chemical change. By reporting their thermocouple uncertainty, scientists allow others to understand the limitations of the data. Heats of fusion or vaporization, heats of solution, and heats of reaction are examples of the kinds of determination that can be made in calorimetry. Analyzing data and drawing conclusions flashcards quizlet. In conclusion, both the sensor type and the attachment method influenced the results of temperature. There are a wide variety of temperature measurement probes in use today depending. For each part a, b and c include a table of some type with the time and temperature. Bunsen burners can be found in the tall cabinets at the lab. The temperature of the mercury in glass thermometer will be taken as a reference and the rest of instruments will be calibrated with respect to it.
This lab helped us learn how to make measurements using a caliper and how to use measurement uncertainties to find the density of the steel ball and compare it with the accepted. Then take the electrode out of the storage solution and rinse it with tap water. Temperature measurements proper use of bunsen burners we will be using bunsen burners for the rst time in this experiment. Use your measurements to calculate the area of each shape. To meet this wide array of needs the process controls industry has developed a large number of sensors and devices to handle this demand. Gutech temperature measurement demonstrating different temperature measurement techniques mohammed omer 000110050 152014 in this experiment. Essay about lab 1measurement, length, mass, volume. For instance, a temperature sensor in an oven often consists of a resistor with a resistance that increases with temperature. Use a vernier caliper to make measurements to the nearest 110 of a.
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