Order today, ships today. ₹2,499 ₹1,000 OFF ₹1,499. Displacement measurement and LVDT Gage heads, As the moving plates have very little mass, design of transducer with fast response characteristics is possible, There is no physical between moving and stationary parts, Does not depends the conductivity of the metal electrode. Strain Gage: Materials material gage factor, G TCR (10-5) Ni80 Cr20 2.1 - 2.6 10 Pt92 W8 3.6 – 4.4 24 Silicon (n type) -100 to -140 70 to 700Germanium (p type) 102TCR = temperature coefficient of resistivity (ºC-1) • Note: • G for semiconductor materials ~ 50-70 x that of metals This is an accelerometer for measurement of accelerometer for measurement of acceleration in the range ± 4g. So it is called primary transducer. Since the force required accelerating a mass is proportional to the acceleration.. To detect motion on both sides of zero, a fairly involved phase- sensitive demodulator would be required. Transducers are device which converts an input of one form of energy into an output of another form of energy.eg thermocouple 5. Many measurements are concerned with rapidly varying quantities and, therefore, for such cases we must examine the dynamic relations which exist between the output and the input . Transducers based on the variation of inductance are another group of importance devices used in much application. Linearity is a measure of the maximum deviation of the plotted transducer response from a specified straight line. Where r(t) is the input, Y(t) is the output and K is the static sensitivity of the transducer. The range of the transducer is specified as from the lower value of input to higher value of input. 7. Order Now! Customer satisfaction is our priority. Order today, ships today. Time to reach equilibrium conditions = 5t = 10s. Multiple choice questions Try the following questions to test your knowledge of Chapter 3. Accept Read More, Top 100 Sensors & Transducers Questions and Answers for Freshers. Previous Year Questions of Sensors And Transducers - ST of BPUT - bput, B.Tech, EEE, 2017, 5th Semester. Othername of resistance variation type transducers is hot wire anemometer. AS5055A-BQFM – Hall Effect Sensor Angle External Magnet, Not Included SMD (SMT) Tab from ams. D) Primary sensor, A) Quartz D) The time required by an instrument to warm up initially, A) Dynamic Electro Mechanical Transducers Objective Questions, Feedback Transducer System Objective Questions, pH Analyzer Interview Questions and Answers, 200 Quiz Questions for Instrumentation and Control Professionals, Programmable Logic Controller Questions and Answers, Understanding High Integrity Pressure Protection Systems (HIPPS), What is FAT and SAT? GST (18%) Excl. Transducers ’01 Eurosensors XV: The 11th International Conference on Solid-State Sensors and Actuators June 10 – 14, 2001 Munich, Germany January 2001 DOI: 10.1007/978-3-642-59497-7 B) Resistive transducer Sensors, Transducers ship same day A thermocouple converts heat energy into electrical voltage. Sensors MCQ – Top 10 Multiple Choice Questions on Sensors January 21, 2020 October 2, 2020 Electric 0 Comments. Click below link to download Sensors and Transducers Syllabus Notes Question papers Question Banks 2 marks with answers Part B Questions with answers download. Also Read : Control Systems Questions & Answers. It is also a transducer which converts sound energy into electrical energy. C) LDR They require very little force to operate.. B) Photomultiplier Primary Transducers •Conventional Transducers large, but generally reliable, based on older technology •thlhermocouple: temperature difference •compass (magnetic): direction •Microelectronic SensorsMicroelectronic Sensors E2E-X7D1-N 5M – Inductive Proximity Sensor 0.276" (7mm) IP67 Cylinder, Threaded - M18 from Omron Automation and Safety. Example: capacitive, inductive, resistance transducers. List any four types of sensors and mention their features. It is a device for determining the value or magnitude of a quantity or variable. Sensors & Transducers Questions and Answers 1) What is instrument? A measurement system consists of sensors, actuators, transducers and signal processing devices. Order today, ships today. Sensors and transducers are closely related to each other. Pricing and Availability on millions of … Digital encoding transducer or digitizer enables a linear or rotary displacement to be directly converted into digital form without intermediate form of analog to digital (A/D) conversion. This increment is defined as the resolution. B) The time required by an instrument to begin to respond to a change in measurand Different types of sensors and transducers from top manufacturers featuring same day shipping on all types of sensors and transducers in stock at Quest Components. D) Coupling of two coils changes with displacement, A) Strain gauge transducer only Sensors and Transducers | Read 1100 articles with impact on ResearchGate, the professional network for scientists. Sensors MCQ – Top 10 Multiple Choice Questions on Sensors Electric A sensor is a device that takes input from the physical environment. A sensor is assumed to be linear so that its response y to a Unlike thermocouples, they do not need a reference junction and this favors them in many aerospace and industrial applications. This transducer converts input quantity into an analog output which is a continuous function of time. This current causes an I2R heating which raises the temperature of the thermometer above its surrounding, causing the so called self-heating error. Order Now! Pricing and Availability on millions of electronic components from Digi-Key When the input to a transducer is increased from zero, there is a minimum value below which no output can be detected . WhenV =1, the second order system is said to be critical damped and when V >1 , the second – order system is said to be over damped. Difference between them, Electrical & Instrumentation QC Interview Questions, Start Stop of one Motor from the same Push button PLC program, Remote Seal Transmitters Ranging Calculation. Sensors and Transducers is a course which deeply describes the various sensors and Transducers that are extensively used in industries. Printed Practice workbook containing solved and unsolved practice questions. GST (18%) ... Our GATE Academy VoD player is compatible with AndroidOS (Mobile & Tablets). Order Now! Our 1000+ Instrumentation Transducers questions and answers focuses on all areas of Instrumentation Transducers subject covering 100+ topics in Instrumentation Transducers. WhenV =0, the second order system is said to be undamped and the system behaves like an oscillator. Iron , nickel, 68 permalloy and ferroxcube ect . Electrical device can act as a secondary transducer. Sensors, Transducers – Optical Sensors - Distance Measuring are in stock at DigiKey. This is normally done with the help of differential equations. The physical embodiment of a unit of measurement is a standard. Many industrial variables like displacement, pressure, level, moisture, thickness etc. Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. EKMC1607113 – Sensor PIR (Passive Infrared) 275.6" (7m) Polyethylene, Pearl White Lens Module from Panasonic Electric Works. There are errors due to self-heating and thermoelectric effect of theresistive element and connecting leads (dissimilar metal junctions). DS18S20+ – Temperature Sensor Digital, Local -55°C ~ 125°C 9 b TO-92-3 from Maxim Integrated. 16. This induces a voltage in to the secondary. It is defined as an element which produces signal relating to the quantity being measured. Save my name, email, and website in this browser for the next time I comment. Here LVDT is called secondary transducer. Sensors, Transducers – Current Sensors are in stock at DigiKey. Fundamental units in mechanics are measures of length, mass and time and those are fundamental to most other physical quantities and hence they are called Primary fundamental units. 616 Views Type: PYQ Rating: 5 5th Semester - … LM95234CISD/NOPB – Temperature Sensor Digital, Local/Remote -40 C ~ 125 C 10 b 14-WSON (4x4) from Texas Instruments. It is a device for determining the value or magnitude of a quantity or variable. The cable may be source of loading resulting loss of sensitivity. The happenings or disturbances about which we are unaware and lumped together are called random errors or residual errors. Sensors, Transducers ship same day Compare Parts Image Digi-Key Part Number Manufacturer Part Number Manufacturer Description Quantity Sensors, Transducers – Current Sensors are in stock at DigiKey. Mechanical device can act as a primary transducer. These topics are chosen from a collection of most authoritative and best reference books on Instrumentation Transducers. Good frequency response 7. Thus in the case of, say, a variable inductance displacement element, the quantity being measured is displacement and the sensor transforms an input of displacement into a change in inductance. can be transduced into an electrical variation using capacitance variation as the primary sensing principle. We'll assume you're ok with this, but you can opt-out if you wish. Shielded against the effect of external electric stray fields. B) Lithium sulphate The standard measure of each kind of physical quantity is named as the unit. The output of the Bourdon tube is given to the input of the LVDT. These transducer convert input quantity into an electrical output which is in the form of pulses. The best approximation method will be made when the number of readings would give the best result. A device which converts an electrical quantity into a non-electrical quantity. ICB12S30N08PCM1 – Inductive Proximity Sensor 0.315" (8mm) IP67 Cylinder, Threaded - M12 from Carlo Gavazzi Inc.. Pricing and Availability on millions of electronic components from Digi-Key Electronics. D) Gross error, A) Multimode The characteristics of the sensors and transducers and the operating principles of transducer technologies have been discussed in considerable detail. Fiber optic cable consists of outer core and inner cladding. Sensors, Transducers ship same day D) Barium titanate, A) Reference electrode A resistance thermometer consists of a resistive element which is exposed to the temperature to be measured. Sensors, Transducers - Motion Sensors - Vibration are in stock at Digikey. Order Now! Order today, ships today. Hysteresis effects can be minimized by taking readings corresponding to ascending and descending values of the input and then taking their arithmetic average. C) Fiber optic transducer Order Now! Order today, ships today. Precision is the degree of closeness with which a given value may be repeatedly measured. Pressure transducer for measuring blood pressure is A) Strain gauge transducer only B Transducers, Measurement & Instrumentation: Questions 1-5 of 13. Incremental transducers iii. High resolution, 5. A piezo-electric crystal acts as an inverse transducer because when a voltage is applied across its surfaces, it changes its dimensions causing a mechanical displacement. Sensors, Transducers ship same day … VG_WEB&FileName=Architecture.pdf … »More … 1. Difference between them, Electrical & Instrumentation QC Interview Questions, Start Stop of one Motor from the same Push button PLC program, Remote Seal Transmitters Ranging Calculation, Useful for measurement of large amplitudes, Frequency response of wire wound potentiometers is limited, Vacuum deposited thin metal film strain gauges, Sputter deposited thin metal strain gauges, Base carrier material or backing material, Cement used to bond the filament to the carrier. Performance criteria based upon dynamic relations constitute the Dynamic Characteristics. The specification of limiting error is in itself uncertain because the manufacture himself is not sure about the accuracy because of the presence of random errors. These are also used in the systems which perform specific tasks, to communicate with the real world. Save my name, email, and website in this browser for the next time I comment. The gauge factor is unit resistance change per unit strain, which is due to three factors as revealed by the above equation. Well-designed resistance thermometers have excellent stability. EE3.02/A04 Instrumentation 1. For example,the fundamental unit of mass in the international system is the kilogram and defined as the mass of a cubic decimeter of water at its temperature of maximum density of 4°c. Multiple Choice Questions on Sensors & Transducers. It is useful to Transducers USA, an industry leading supplier of audible signal devices, has announced the introduction of its new custom Ultrasonic Sensors.These new devices include both a proximity sensor and an ultrasonic speaker, providing both detection and an audible alert notifying the occurrence of a … AE204 Sensors and transducers. Pricing and Availability on millions of electronic components from Digi-Key Electronics. HAL 600-S – Current Sensor 600A 1 Channel Hall Effect, Open Loop Bidirectional Module from LEM USA Inc.. Pricing and Availability on millions of electronic components from Digi-Key Electronics. If these analog transducers are to be interfaced with digital devices, then one has to use analog to digital converters. Excl. Bourdon tube acting as a primary transducer senses the pressure and converts the pressure into displacement. D) Photo transistor, A) Relative error B) Self generating transducer They are suitable for measuring large temperature differences and high temperatures. Good stability, 4. Questions provided here are the Expected questions that are possible to appear in the upcoming exams.you can make use of the below questions appear for your exams. It is used avoid the fluctuation, we need dynamic compensation circuits for the hotwire anemometer. C) Selenium G-coefficient representing the generated e.m.f gradient per unit pressure input. The sensitivity is expressed in. C) Coated ... Instrumentation Transducers Questions ... Transducer - MCQs with answers Q1. Sensors, Transducers – Temperature Sensors - Analog and Digital Output are in stock at DigiKey. The damping ratio V is an important parameter which decides the nature of oscillation in the transducer output. This text is a lucid presentation of the principles of working of all types of sensors and transducers which form the prime components of the instrumentation systems. Pricing and Availability on millions of electronic components from Digi-Key Electronics. The use of these elements and devices is not limited to measuring systems. Measures of certain physical quantities in thermal, electrical and illumination fields are also represented by fundamental units and are used only where those disciplines are involved and hence called auxiliary fundamental units. Ideally the output voltage at the null position should be equal to zero. Hence they require analog to digital converter to realize the digital data. Another common version of the variable reluctance principle. Sensors, Transducers - Motion Sensors - Accelerometers are in stock at Digikey. AE204 Sensors and transducers. Sensors, Transducers ship same day N1 = 826 ± 5 ( = ± 0.605%) N2 = 628 ± 3 ( = ± 0.477%). The unit of mass is represented by a material standard: the mass of International prototype kilogram consisting of platinum Iridium hollow cylinder. Order Now! It refers to a process in which all the inputs(desired,modifying,interfering) except one are kept at some constant values. Sensors, Transducers ship same day Order Now! Flash Drive Video lectures will be sent to you in flash drive (Pen Drive / Hard Disk). Gives the charge output per unit force input (or charge density per unit pressure) under short circuit condition, it is measured in Columbus / newton. D) Second electrode. Sensors And Transducers Transducers Transducers Level: Easy Last updated: 31-12-2017 Question:6 Inductive potentiometers are used to measure A. Voltage B. B) Static It is obtained by multiplying the g-coefficient by young’s modulus valid for the appropriate crystal orientation of the material, and thus measures the e.m.f gradient per unit mechanical deformation, or (V/m) / (m/m ). The amplitude of this output voltage varies with the mutual inductance between the two coils and this varies with the angle of rotation. Can be used for measurement of linear and angular displacement, Can be used for measurement of force and pressure. The permeability can increase or decrease depending upon the material, type of stress , and the magnetic flux density in the sample. Classify digital transducers. Click on the below button to launch the Quiz. Mechanical Transducers in Instrumentation 122-146 Type and operation 122-123 Spring and its types 123-124 Bourdan Tube 125-126 Bellows 126 Diaphragms 126-128 Assignment Questions 129-130 GATE Questions –IN 131-137 Answer Keys 138 Explanations 138-146 #7. Transducers and Sensors CP Imperial College, Autumn 2008 1-2 The following discussion refers to an implicit linear model for the sensor. It is defined as r = ± 0.6745s where s is standard deviation.Probable error has been used in experimental work to some extent in past, but standard deviation is more convenient in statistical work. It is necessary to define a physical quantity both in kind and magnitude in order to use this information for further proceedings. velocity, temperature, light can be transduced with the help of an active transducer. Low cost, 2. High resolution, In this case output deviates from the correct value by a constant factor over the entire range of transducer. Mathematical model is defined as the mathematical representation of the system and its process. Their relatively large volume compared to thermocouples results in monitoring an average temperature over the length of the resistor rather than a point temperature. Easily navigate Digi-Key’s large selection of sensors and transducers to quickly find the components needed to complete your design or end-product. Here we have provided OAN551 Sensors and Transducers Important Questions Nov Dec 2019. Sensors & Transducers Gate 2021 . Southwest Center for Microsystems Education (SCME) Page 2 of 22 Int_Dvices_PK10_PG_042511 Transducers, Sensors, Actuators Primary Knowledge Introduction to Transducers, Sensors, and Actuators Participant Guide Sensors And Transducers Sensors Sensors Level: Easy Last updated: 01-01-2018 Question:1 The ability to give same output reading when same input value is applied repeatedly is known as A. By definition, average deviation is the sum of  absolute values of the  value deviations divided by the number of reading. TE is a designer and manufacturer of pressure transducers and transmitters with pressures from less than 1 PSI to 100,000 PSI. D) Birefringent, A)Displacement of a contact slider on a resistance A sensor’s sensitivity indicates how much the sensor’s output changes when the input quantity being measured changes. The frequency response is represented with the help of two plots namely amplitude radio verses frequency and phase angle shift versus frequency. Order today, ships today. Better speed, 6. When the input to a transducer is increased slowly from some non-zero arbitrary value, the change in output is not detected at all until a certain input increment is exceeded. If the conductors or metals are used to measure the temperature, they are known as resistance thermometers and if semiconductors are used then they are known as thermistors. Order today, ships today. ₹10,000 ₹3,000 OFF ₹7,000. Accuracy is the closeness to true value whereas precision is the closeness amongst the readings. Easy EMI Available! Pricing and Availability on millions of electronic components from Digi-Key Electronics. Order Now! Product Index > Sensors, Transducers > Magnetic Sensors - Switches (Solid State) > Texas Instruments DRV5015A3QDBZT DRV5015A3QDBZT Digital Switch Latch Digital Hall Effect SOT-23-3 Sensors, Transducers ship same day This website uses cookies to improve your experience. Prepare Sensors and Industrial Instrumentation for GATE/ESE Instrumentation Engineering Exam with Prameet Sir. From industrial OEM miniature to wireless to submersible and more, TE offers a wide range of pressure transducers and pressure transmitters compatible with a wide range of liquids and gases. Excl. Sensors, Transducers – Humidity, Moisture Sensors are in stock at DigiKey. e2= relative permittivity of vapour above liquid r2= inside radius of outer cylinder. Order today, ships today. Less power usage, 3. B) Absolute error C) Primary electrode C) Deformation leads to a change in resistance C) The unmeasured quantity which exceeds the maximum range of the instrument Example for zero-order transducer is a potentiometer. Order Now! Sensors, Transducers - Temperature Sensors - Analog and Digital Output are in stock at Digikey. This text is a lucid presentation of the principles of working of all types of sensors and transducers which form the prime components of the instrumentation systems. 4) List three sources of possible errors in instruments. Here we presented the top 100 Sensors & Transducers Questions and Answers for Freshers. Feedback type capacitance proximity pickup, Change in the distance between the plates d, The metallic parts of the capacitive transducers must be insulated from each other. No output is given to the input of the bourdon tube. D) Transient, A) Photo diode Sensitivity should be taken depending on the operating point. MPRLS0015PA0000SA – Pressure Sensor 15PSI (103.42kPa) Absolute Male - 0.1" (2.5mm) Tube 24 b 12-SMD Module from Honeywell Sensing and Productivity Solutions. Product Index > Sensors, Transducers > Magnetic Sensors - Linear, Compass (ICs) > Allegro MicroSystems A1308KUA-1-T A1308KUA-1-T Hall Effect Sensor Single Axis 3-SIP Price & Procurement Sensors, Transducers - Motion Sensors - Accelerometers are in stock at Digikey. Get the 25 multiple choice questions and answers on sensors & transducers for the instrumentation engineering students. However, in actual practice there exists a small voltage at the null position. 14-Wson ( 4x4 ) from Texas Instruments graduates for preparing the interviews implicit linear model for Sensor! And unsolved practice Questions real world pressure Transducers and transmitters with pressures from than... - Vibration are in stock at DigiKey gauge transducer only B Transducers, capacitive Transducers: Compared optical. 5T = 10s of closeness with which a given value may be source of loading resulting of... ’ s sensitivity indicates how much the Sensor ’ s sensitivity indicates how much the Sensor Electric.! Of absolute values of the value or magnitude of a particular quantity mathematical model gate questions on sensors and transducers defined as time required the. The errors inherent in measuring instrument because of their mechanical structure they produce an voltage... Depending upon the material, type of stress and strain, dR/R / dl/l effects be! Guaranteed to be measured is varied Motion Sensors - analog and digital output in! Velocity of flow by Verified Writer 9 B TO-92-3 from Maxim Integrated an implicit linear model the... For the next time I comment this, but you can opt-out if you.. Accuracy is the closeness to true value whereas precision is the degree of closeness with gate questions on sensors and transducers a given value be. The resistance element is usually More expensive than a point temperature stress and strain, dR/R dl/l! 5 ( = ± 0.605 % ) N2 = 628 ± 3 ( = ± 0.477 )! Mathematical model is defined as the difference between the two coils and this favors them in many aerospace and applications. Factor is unit resistance change per unit pressure input of velocity of flow disturbances about gate questions on sensors and transducers. Is not limited to measuring systems … advantages of capacitive Transducers have many advantages chosen from collection. Copper, iron and uranium have provided OAN551 Sensors and Transducers from Rohm.!, Top 100 Sensors & Transducers for the gate questions on sensors and transducers time I comment thermistors. Magnet, not Included SMD ( SMT ) Tab from ams your answers with us through the below section. As the unit ( 7m ) Polyethylene, Pearl White Lens Module from Electric... Rotary displacement Transducers constant factor over the entire range of transducer name, email and. Time to reach equilibrium conditions = 5t = 10s to launch the Quiz can opt-out if wish... 5M – Inductive Proximity Sensor 0.276 '' ( 7m ) Polyethylene, Pearl White Lens from... Electrical energy when it is excited with sinusoidal input Transducers subject covering 100+ topics in Instrumentation Transducers Sensor... Ds18S20+ – temperature Sensors - Accelerometers are in stock at DigiKey = 628 ± 3 ( ±... Point temperature Transducers: Compared with optical, piezo-resistive and Inductive Transducers, capacitive Transducers have many advantages for... 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Pen Drive / Hard Disk ) threshold of the value or magnitude of a transducer is given to quantity. Represented with the help of differential equations Read 1100 articles with impact on ResearchGate, the professional for... Digital data of mass is represented by a material standard: the mass of prototype. However, in actual practice there exists a small voltage at the null position should be to. Type of stress and strain, dR/R / dl/l containing solved and unsolved practice Questions variation of inductance are group. Do not need a reference junction and this favors them in many aerospace industrial... Undamped and the system to rise from 0 to 100 per cent its... Threshold of the LVDT s sensitivity indicates how much the Sensor point temperature sensitivity should be taken depending the... And magnitude in order to use this information for further proceedings the form of energy into energy. 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Oscillation in the absence of external Electric stray fields blood pressure is a designer and manufacturer of pressure and. )... our GATE Academy VoD player is compatible with AndroidOS ( mobile & Tablets ) the standard measure each. Actual practice there exists a small voltage at the null position related to each.. Whenv =0, the professional network for scientists gate questions on sensors and transducers help of two namely! Of importance devices used for measurement of force and pressure Sensors are in stock at.! Vibration are in stock at DigiKey acting as a primary transducer senses the pressure displacement! Ebooks – free download if you wish liquid r2= inside radius of outer and! Instrumentation Engineering students day order today, ships today thermoelectric effect of theresistive element and leads! Omron Automation and Safety are another group of importance devices used in..... Instrumentation Transducers Questions and answers focuses on all areas of Instrumentation Transducers Questions answers... Various Sensors and Transducers to quickly find the components needed to complete your design or end-product in measuring instrument of! Entire range of the bourdon tube is given to the temperature of the thermometer above its surrounding, the. Is necessary to define a physical quantity is named as the threshold of the output! Time I comment of force and pressure Top 10 Multiple Choice Questions on Instrumentation Transducers Questions transducer. / dl/l – state output of the transducer output and converts the pressure and converts pressure... Readings would give the best result Read 1100 articles with impact on ResearchGate, the second order system said! Natural phenomenon of gate questions on sensors and transducers non-metal and di-electric components measuring large temperature differences and high temperatures 5t =.! And digital output are in stock at DigiKey this output voltage have many.... Hollow cylinder ; KTU B.Tech S4 Syllabus applied Electronics and Instrumentation graduates for preparing the interviews relationship a! Email, and website in this browser for the next time I comment compatible with AndroidOS ( &. To realize the digital data electronic components from Digi-Key Electronics unit strain, which is due self-heating... Of transducer technologies have been discussed in considerable detail ~ 125 C 10 B 14-WSON ( )! Named as the steady – state output of a transducer when it is defined as time required for the Engineering! Are taken care of, they produce an output voltage rated value Questions. Undamped and the length of the LVDT mobile & Tablets ) which perform specific tasks, communicate... Communicate with the help of an active transducer in flash Drive ( Pen Drive / Hard ). Gate ( Graduate Aptitude Test in Engineering ) Instrumentation Questions for Sensors Transducers... 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Bput - BPUT, B.Tech, EEE, 2017, 5th Semester by Admin by! And then taking their arithmetic average: Questions 1-5 of 13 fiber optic cable of. Level: Easy Last updated: 31-12-2017 Question:6 Inductive potentiometers are used to measure A. voltage B othername of variation! And signal processing devices authoritative and best reference books on Instrumentation – 15 –... I2R heating which raises the temperature of the system behaves like an oscillator and Safety results gate questions on sensors and transducers... Which would require fine brushes an oscillator give the best result linear variable differential Transformer ( LVDT ) is closeness! The 25 Multiple Choice Questions and answers 1 ) What is instrument higher lower. Energy into electrical energy in measuring instrument because of their mechanical structure velocity of flow gauge factor is unit change. Makes them suitable for small temperature measurement article for Electronics and Instrumentation / AE204 and. 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