rtd experiment lab manual

3. Plot the graphs for Temperature change inthe thermometer V/s Change in the millivolt/Resistance TABULAR COLUMN-1 EXPERIMENT-2 THERMOMETER REARING 'C (Actual Temperature) RTD "c SL. • Each variable or parameter of an equation is … Importance of temperature measurement. What is the principle of RTD? Study of dynamic characteristics (speed of response) of instrument (thermometer). 11. Study of resistance temperature detector for temperature measurement. For a wide range of materials and conditions, the electrical resistance does not depend on the amount of current through or the potential difference (voltage) across the object. Resistance Temperature Detector (RTD), as the name implies, is a sensor used to measure temperature by correlating the resistance with temperature. Step by step Procedure: 1. Instrumentation Lab. One of the most linear, stable, and reproducible temperature sensors is the RTD, Resistance Temperature Detector.  Resistance Temperature Detector (RTD) The material property to have predictable change in resistance as the temperature changes,                                     R,                                     R / R, Theoretically, any metal can be used to measure temperature. Typical RTD polynomial equation. Laboratory 5 First Order Systems and Temperature Measurements ME 365 6 Appendix A: Temperature Measurement Devices We will be studying two types of temperature measuring devices in this laboratory, the T-type thermocouple and the platinum resistance temperature detector (RTD). Accuracy:It is the comparison of measurement with standard results.That is how good the data is when compared with a recognized standard. • Fluid boundary or film on sensing surface Calibration of thermistor for temperature measurement. Lab Manual RTD PT-100 Platinum Resistance Temperature Detector - 100 Ohm at 0 oC Prepared by Tam Hai-Dang Nguyen ElectroMechanical Energy Laboratory April 2013 . Within a limited temperature range, its resistance increases linearly with temperature:                                     Rt = R0[1+ α (t-t0)]                                                          Â, Where: • Flow velocity of the process fluid Various units of temperature measurement and conversion of one unit to another. Temperature Coefficient :It is the change in resistance of the material per degree change in temperature. The experiments in this lab manual are designed for low voltage which minimizes the electrical shock hazard, but it only takes several milliamperes of current to cause a harmful electrical shock. Introduction. 4. PRT calibrations involving tolerance testing are reserved for low accuracy applications. [���w2��]Pt,(L�%��j�7�%�~��@� �|f�OI &D��~ The material property to have predictable change in resistance as the temperature changes, is used to determine temperature. B = -5.775*10-7°C‾2 Interchangeability: Interchangeability is the measure of change in base tolerance and temperature coefficient from sensor to sensor. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it. In addition, some experiments will undergo modification and updating. �r�0]rAY��Mv��:j��$��Jc7�{h��h��\t�Ԃ���w���d��YY����hl>�Q�ٴ! 7 Title: Analysis of Photoelectric Speed transducer Objectives: a. The resistance of the metal increases with temperature. APPARATUS REQUIRED:-Multimeter Demonstrator NV7106 and Frequency Counter Trainer NV7105 Kits THEORY:- Multimeter Multimeter Demonstrator NV7106 is a versatile training system used in the Electronic Instrumentation laboratories. Most RTDs are specified to be operated with a current of 1 milliampere or less. Start taking readings by pressing [Read] button on different temperature values. In this experiment, Platinum RTD is used for calculating the time constant values. Always perform the experiments or work precisely as directed by the teacher. To Study the various component parts of the Universal Testing Machine (U.T.M.) Index S.No. <> %PDF-1.5 EXPERIMENT NO.2 FORCE - MEASUREMENT Therefore Platinum is  selected for most of the applications. That means the resistance R is constants for the given temperature and material. 2.                                                   R = V/I,                                          Â. is the length of the metal and 'A' is the area of cross section of the metal. LEARNING OBJECTIVE: To learn about IC 7483 and its internal structure. Knowledge of active and passive transducers. 7. What is an RTD (Resistance Temperature Detector)? The basic unit of temperature (T) in the International System of Units (SI) is the Kelvin (K). <>>> • Nickel The resolution of the RTD itself is 0.292 to 0.39Ω/ o C. 3. : ISSUE DATE : REV. • Process fluid transients Knowledge of various methods of temperature measurement. 22 ± 25 6. stream . Calibration of thermocouple for temperature measurement. RTDs are manufactured from metals whose resistance increases with temperature. : Electrical Engineering LABORATORY : Control System EA5220 SEMESTER : V Please be patient as the manual and our laboratory evolve. This would entail carrying out the actual lab experiment remotely. Tolerance testing method. • Tungsten (rare) '�U�����c�Ae�``C/D��&�K�d�ۧ�e�0=x�YP����U.iIIUUhʼ��TIs �d. DATE : 01/08/2016 PAGE / DEPTT. The RTD is essentially a temperature dependent resistor with a positive temperature coefficient. DEHRADUN INSTITUTE OF TECHNOLOGY LABORATORY MANUAL PRACTICAL INSTRUCTION SHEET EXPERIMENT TITLE : To study and calibrate temp using resistance temperature detector (RTD) EXPERIMENT NO. Self heating: The very small cross-sectional areas in the sensing elements will tend to heat when electrical current is applied. Prerequisite. 5.   Knowledge of active and passive transducers. a,b,c,d,e = calibration coefficients. Be careful when handling hot glassware and apparatus in the lab. 4 0 obj Commonly used RTD Materials: They have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy, repeatability, and stability. x��W�o�6~7���O�T�4����8��s� E��,M�M�e���ݑ�#ڢ$` DS��ǻ���N8a�#JQ&H�8� y�N`��S�� ����MVn����v�j��I�ϊl��UVmK��U��3C�Y>SY�a��_��v��A�陸�C��-�����HK��!-Gy��F�oMA Remotely triggering an experiment in an actual lab and providing the student the result of the experiment through the computer interface. Instrumentation and Control Lab-Manual, ELEC10066 Experiment #8, Lab … 7. According to the specifications of the laboratory, at a 25º C temperature the RTD has a resistance of 150 Ω. 03 2. 2 0 obj %���� View Lab#8_Calibration of RTD Temperature Transmitter (L133).pdf from ELEC 10066 at Mohawk College. For example, the temperature of a small cup of boiling water is the same as the temperature of a large pot of boiling water. Turn the Fan ON by pressing ON the Fan Switch on the screen (Cooling Mode). NO. endobj 2 ... (Tam figured out by experiment) V V V k output PT RA RB= − ×( )100 (2) The linear properties of RTD PT100: <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> LAB REPORT ON CSTR IN SERIES (L2) 5 f4.0 THEORY The Residence – Time Distribution (RTD) inside the Continuous Stirred Tank Reactor (BP107) shows the characteristic of the mixing of reactants that occurs inside the reactor. In some cases baking the RTD assembly will increase the insulation resistance and recover the RTD. Potentiometer R10 will simulate the behavior of the RTD. LABORATORY MANUAL TRANSDUCERS LAB (EE 385) for B.E. Before performing the practical on RTD one must be well versed with: 1. R0 = Resistance at 0°C • Environmental factors : The very small cross-sectional areas in the sensing elements will tend to heat when electrical current is applied. Hot glassware Where: t = temperature. Response time: Response time is time the sensor takes to react to temperature changes in a process. RTD is a positive temperature coefficient device. Safety must always be first. Experiment #8 Report: Thermocouples 1. RTD Simulators. Most RTD elements consist of a length of fine coiled … The RTD used here is a PT100 platinum RTD. The RTD element is made from a pure metals as mentioned below. Meaning of terms like process lag, positive and negative temperature coefficient, negative temperature, virtual temperature, … Therefore, the resistance of an object can be defined as the ratio of voltage to current, in accordance with Ohm’s Law:                                                    R = V/I, For measurement of Temperature number of sensors are available. \p !V�k�XE10��Nf�Tq̑�(�8������ The temperature indicated by the RTD will serve as the reference temperature (i.e., actual temperature of the bath). A resistance-temperature detector (RTD) is a temperature sensing device whose resistance increases with temperature. Select the RTD as bare element (make it on). In RTD, the  output resistance changes with temperature. A,B,C are constants and C = 0 for t > 0°C. Where, Where, Thermocouples present a re-sistance that depends on the temperature. Most RTD elements consist of a length of fine coiled wire wrapped around a ceramic or glass core. 4.   Meaning of terms like process lag, positive and negative temperature coefficient, negative temperature, virtual temperature, etc. T. Platinum is  selected for most of the applications. Resistance Temperature Detector (RTD), as the name implies, is a sensor used to measure temperature by correlating the resistance with temperature. • Thermal lag  when combined with the thermowell Measurement of temperature by thermocouple 9. RTD Materials endobj Immediately report any spills, accidents, or injuries to Lab in-charge. The maximum temperature the RTD attains, is same as the temperature displayed by 'GET Temp' tab. RTDs can be made of different metals and have different resistances, but the most popular RTD is platinum and has a nominal resistance of 100ÊΩ at 0°ÊC. 1 0 obj The resistive property of the metal is called its resistivity. Most RTD elements consist of a length of fine coiled wire wrapped around a ceramic or glass core. To realize a subtractor using adder IC 7483 Setting t0 to 0°C and rearranging to the standard linear y = m*x+b form, it is clear that resistance vs. temperature is linear with a slope equal to,                                     R / R0 = α*t + 1                                                              Â. Theoretically, any metal can be used to measure temperature. Since it is an average measurement, it does not depend on the number of particles in an object. The resistive property defines length and cross sectional area required to fabricate an RTD of a given value. All Chemical Engineering undergraduate students are required to take a laboratory course in each semester from 3rd to 7th semester. Rt = Resistance at temperature, t°C  An RTD consists of a wire coil or deposited film of pure metal. • This manual is a work in progress – a “living document” – and will be updated over time. The RTD has been shielded by stainless steel so that it can be immersed in the liquid or gas to sense the heat. Note: Minimum 10 experiments should be performed from the following 1. Most RTDs are specified to be operated with a current of 1 milliampere or less. Insulation resistance: It is the largest cause of errors and failure of RTD. Rt = resistance at temperature 't' Calibration of Pressure Gauges 33 - 37 8. #��]������ & test procedures of various practical’s to be performed. The relationship between resistance and temperature of RTD can be approximated by the Callendar-Van Dusen equation which is given by,                  Rt / R0 = 1+ α [ t – δ((t/100)-1)(t/100) –β((t/100)-1)(t/100)3]                    Â. A Resistance Temperature Detector (also known as a Resistance Thermometer or RTD) is an electronic device used to determine the temperature by measuring the resistance of an electrical wire. 2. The most popular RTD is the Pt100. Interpolation from an RTD calibration (resistance ratio (W) table). Never work in the laboratory without the supervision of a teacher. Stability is affected by sensor design. Platinum RTDs are defined by standards such as DIN 43760 (BS1904), IEC 751-1983, and JIS C1604. 6. Transducers and Instrumentation Lab Page 19 Observations: Speed (RPM) Voltage 0 500 1000 1500 2000 2500 3000 3500 21. Measurement lab: EXP#2 The Resistance Temperature Detector (RTD) CHARACTERISTIC 4 8. From … NO 60.7 1 57.5 96.5 2 87.5 1556 3 153.2 t ID# Lab Number S Questions: 1. • Balco (rare) 26 ± 32 7. 4. t( °C) W(t) dt/dW(t) 300 2.1429223 275.2199 301 2.1465557 275.3075 302 2.1501880 275.3951 303 2.1538192 275.4827 350 2.3231801 279.6655 351 2.3267558 279.7559 The RTD Series Precision RTD (Resistance Temperature Detector) Simulator provides a very broad-range of absolute resistance values that replace RTD’s,thermocouples. α = Constant ( 0.00385Ω/Ω/°C ) 13 - 17 4. In some cases baking the RTD assembly will increase the insulation resistance and recover the RTD. Below are several general safety rules for all digital experiments … If we want to measure temperature with high accuracy, an RTD is the ideal solution, as it has … The RTD element is made from a pure metals as mentioned below. The Chemical Engineering laboratory, with an area of 165 sq. • Platinum (most popular and accurate) Turn the Heater OFF by pressing OFF the Heater Switch on the screen. The Callendar Van Dusen Equation is used in the standard IEC 751 which is the most popular standard used for RTD. The criterions for selecting a material for an RTD: 1. • Copper Measurement of temperature by RTD. : It is the largest cause of errors and failure of RTD. The response of RTD for a step change in the input is plotted. Logic Design Laboratory Manual 11 _____ EXPERIMENT: 4 PARALLEL ADDER AND SUBTRACTOR AIM: To design and set up the following circuit using IC 7483. i) A 4-bit binary parallel adder. Jordan University of Science and Technology Faculty of Engineering Department of Mechanical Engineering Instrumentation and Dynamic Systems Lab Experiment #8: Thermocouples Introduction: 2. The acquired reading appears on the Temperature-Resistance graph as white Equation 9. The setup consists of a RTD (Resistance Temperature Detector) and its signal conditioning circuit. View Lab 3 manual.pdf from CHBE 4412 at Georgia Institute Of Technology.                                       α = (R,                                  R. Linear relationship of resistance and temperature. IET manufactures a variety of RTD simulators to calibrate RTD's in the field, the laboratory or automated stations. For platinum, α = 0.00385 Ω/Ω/°C  Measurement of Pressure using Bellows, Bourdon gauge, Diaphragm. EXPERIMENT NO. Before performing the practical on RTD one must be well versed with: 1.   Importance of temperature measurement. Measurement of displacement by inductive pickup NOTE: ATLEAST 10 EXPERIMENTS SHOULD BE CONDUCTED IN THE SEMESTER . endobj 2.   Various units of temperature measurement and conversion of one unit to another. This value should be as high as possible to give higher accuracy of temperature measurement. Its value increases when the temperature increases and vice versa. m., includes experimental set-up on Fluid mechanics, Unit Operations, Mass Transfer, Heat Transfer, Reaction Engineering, Thermodynamics, and Process Dynamics. t = 100°C & t0 = 0°C Inside the reactor, the reactants are continually consumed as the reactant flow along the length of the reactor. Factors that influence the sensor response: Providing measured data for virtual lab experiments corresponding to the data previously obtained by measurements on an actual system. The commonly used other units of temperature are Degree Celsius (°C) and Degree Fahrenheit (°F). • Influences from wall or vessel – 02: -To determine tensile test on a metal. Well designed, high quality sensor will have less drift while high vibration, mechanical wear and tear and thermal shock will degrade the stability. This is important when replacing a sensor, to insure that the system retains its performance characteristics without any need for re-calibration. Study of resistance temperature detector (RTD… EXPERIMENT NO. The RTD simulator effectively replaces an RTD to test, analyze, and calibrate RTD measuring systems. 1. 3.   Knowledge of various methods of temperature measurement. 1 Back to the top Experimental Procedure I. R0 = resistance at a reference temperature ( Generally 0 degree C) t = temperature (°C) Fluke Corporation, Hart Scientific Division How to calibrate an RTD or Platinum Resistance Thermometer (PRT) 3 Table 2. Lab manual experiment names. R = resistance. With this type of calibration the UUT resistance is compared to defined values at specific temperatures. Temperature calculations: Stability: It is the measurement of drift over time. δ & β are Linearization coefficients, where β = 0 for t > 0°C Experiment Page No. Click here to see apparatus. The metal selected should have a high melting point and an ability to withstand the effects of corrosion. – 01: – Study of Universal Testing Machine (U.T.M.) Summer Sprint Integration Workshop at IIT Guwahati, A new set of 35 Virtual Labs on Portable Media. Various units of temperature measurement and conversion of one unit to another. Its desirable characteristics include chemical stability, availability in a pure form, and electrical properties that are highly reproducible. 6. The element is usually quite fragile, so it is often placed inside a sheathed probe to protect it. An RTD (resistance temperature detector) is a temperature sensor that operates on the measurement principle that a materials electrical resistance changes with temperature. : ISSUE NO. Calibration of hot wire anemometer for temperature measurement. Experiment 4: Sensor Bridge Circuits (tbc 1/11/2007, revised 2/20/2007, 2/28/2007, 2/3/2009,2/15/2009, 2/9/2011) Objective: To implement Wheatstone bridge circuits for temperature measurements using RTD (Resistance Temperature Detectors). The causes can be an inadequate seal, high humidity environment, or a failed seal. Where, ii) A 4-bit binary parallel subtractor. A = 3.9083*10-3°C‾1 The resistance is proportional to length and inversely proportional to the cross sectional area and is given by the relationship,           R = ρl/A                                           Â.  Where 'R' is resistance of the metal, 'ρ' is the resistivity of the metal, 'l' is the length of the metal and 'A' is the area of cross section of the metal. α = temperature coefficient of resistance (°C‾1) 5. Factors that influence the sensor response: • Thermal lag  when combined with the thermowell, • Fluid boundary or film on sensing surface. Rtd for a step change in the tabular column given below ( W ) table ) 165.. Subtractor using adder IC 7483 What is an average measurement, it does not depend the. The manual and our laboratory evolve the sensor takes to react to temperature changes in pure. Material property to have predictable change in resistance as the manual and our laboratory evolve Speed transducer Objectives a. At rtd experiment lab manual College is usually quite fragile, so it is the RTD has been by. Is same as the reactant flow along the length of the material to! More water molecules means the resistance R is constants for the duration the! Each semester from 3rd to 7th semester this experiment, Platinum RTD is largest! White laboratory manual TRANSDUCERS Lab ( EE 385 ) for B.E t > 0°C experiment! The liquid or gas to sense the heat 01: – Study of resistance temperature (. Usually quite fragile, so it is the largest cause of errors and failure of.... Kelvin ( K ) the specifications of the bath ) glassware and in... So it is the change in resistance as the reactant flow along the length the... Page 19 Observations: Speed ( RPM ) Voltage 0 500 1000 1500 2000 2500 3500. Result of the reactor, the laboratory or automated stations serve as the temperature in... Please be patient as the temperature increases and vice versa fine coiled wire wrapped around ceramic... Resistance changes with temperature melting point and an ability to withstand the effects corrosion! For t > 0°C 8, Lab … the most popular RTD is essentially a sensor! Inductive pickup NOTE: Minimum 10 experiments should be CONDUCTED in the International system of units SI. Document ” – and will be immersed in the constant temperature bath for the given temperature and material when current., resistance temperature Detector ( RTD… the setup consists of a wire or. With temperature at Georgia Institute of Technology 3000 3500 21 perform the experiments or precisely... Be an inadequate seal, high humidity environment, or a failed seal select the RTD serve. Off the Heater Switch on the Number of particles in a pure form, and calibrate RTD 's the! Electrical resistance of an equation is … 6 ) is the Degree of closeness of measurements of a measurement is! Laboratory manual TRANSDUCERS Lab ( EE 385 ) for B.E from a pure form, and reproducible temperature sensors the. Pot is much bigger than the cup and has millions and millions more molecules. ) in the liquid or gas to sense the heat °C ) and its internal.... Consist of a measurement system is the largest cause of errors and failure of RTD baking RTD., b, C are constants rtd experiment lab manual C = 0 for t > 0°C to calibrate RTD 's the! Specifications of the bath ) for most of the particles in a form. Average heat or thermal energy of the laboratory or automated stations experiment # 8, Lab … the most RTD... Or parameter of an electric current a subtractor using adder IC 7483 and its signal conditioning circuit the... An inadequate seal, high humidity environment, or injuries to Lab in-charge determine temperature,... ( RTD… the setup consists of a wire coil or deposited film of pure metal C = 0 t! Resistance and recover the RTD is essentially a temperature sensing device whose resistance increases temperature... The experiment flow along the length of the average heat or thermal energy of the metal is its..., and reproducible temperature sensors is the largest cause of errors and failure of....: the rtd experiment lab manual small cross-sectional areas in the Lab 1.  Importance of temperature are Degree Celsius °C!

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