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PROCESS INSTRUMENTATION-II
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DI04017011
Code: DI04017011
Credits: 4
Semester 4
PE
Process Instrumentation-II
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Follow on Instagram for UpdatesProcess Instrumentation-II Syllabus — Unit-wise Content
The official GTU curriculum for Process Instrumentation-II (subject code DI04017011) as prescribed for PE · Semester 4 divides the course into 4 units, covering 70 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04017011)Unit 1 Temperature Measurement Techniques
- 1.1. Introduction to Temperature Measurement Heat and Temperature – definition Temperature Scales: Celsius, Fahrenheit, and Kelvin (relationships and conversions)
- 1.2. Expansion Thermometers Construction, working, merits and demerits of: o Solid expansion thermometer o Liquid expansion thermometer
- 1.3. Filled System Thermometers Construction, working, applications, merits and demerits of: o Class I – Liquid filled systems o Class II – Vapour pressure systems o Class III – Gas filled systems o Class V – Mercury filled systems Sources of error in filled system thermometry Effects influencing filled system thermometers: o Ambient effect o Head effect o Radiation effect o Immersion effect o Dip effect
- 1.4. Thermocouples Thermocouple Principles o Seebeck, Peltier and Thomson effects. Thermoelectric Laws o Law of Homogeneous Materials o Law of Intermediate Metals o Law of Intermediate Temperatures Cold Junction Compensation o Need for cold junction compensation and commonly used CJC methods. Thermocouple Types & Extension Wires o Positive and negative extension wires used for thermocouple types B, E, J, K, R, S, T. Selection Criteria o Factors considered for selecting a thermocouple for industrial applications.
- 17. 35 % GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 3 of 11 Thermowell o Purpose and importance of thermowell in thermocouple installations. Thermopile o Meaning of thermopile and its requirement. Thermocouple Temperature Calculation o Converting thermocouple output (mV) into temperature (°C) using standard calibration tables (ITS-90).
- 1.5. Resistance Temperature Detectors (RTD) Industrial RTD construction Lead wire compensation – need and concept Measuring circuits for RTD: o 2-wire o 3-wire o 4-wire
- 1.6. Thermistors Working principle and characteristics Temperature measuring circuits for thermistors
- 1.7. Integrated Circuit (IC) Temperature Sensors Working Principle of IC-based temperature sensors Comparison of temperature response of: o Thermocouple o RTD o Thermistor o IC temperature sensor
- 1.8. Non-contact Type Thermometry Basic concepts: o Emissivity o Black body concept o Stefan–Boltzmann Law Construction, working, merits, demerits and applications of: o Radiation pyrometer o Optical pyrometer o Ultrasonic thermometry o Laser thermometry o Optical fiber thermometry o Infra-red thermometer GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 4 of 11 Sources of error in non-contact temperature measurement
- 1.9. Temperature Switches and Thermostats Operation of temperature switches and thermostats Calibration procedure for temperature measuring devices
Unit 2 Level Measurement Techniques
- 2.1. Introduction to Level Measurement Definition of level measurement Units used for level measurement Importance of level measurement in industries
- 2.2. Classification of Level Measurement Methods
- 2.2.1. Direct Methods Construction, working, applications, merits and demerits of: o Sight Glass / Gauge Glass
- 2.2.2. Indirect Methods
- 2.2.2.1. Hydrostatic Pressure Type Construction, working, applications, merits and demerits of: o Pressure Gauge Type o Air Purge System
- 2.2.2.2. Electrical / Electronic Methods Construction, working, applications, merits and demerits of: o Capacitance Level Detector o Radiometric (Radiation ) Level Detector o Ultrasonic Level Detector o Radar Level Detector (Non-contact radar & Guided wave radar) o Laser Level Sensor o Differential Pressure (DP) Type Level Measurement
- 2.3. Level switches Construction and working of: o Float type level switch o Displacer type level switch o Conductivity level switch o Tuning fork level switch o Rotating paddle level switch o Microwave level switch
- 13. 25 % GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 5 of 11
Unit 3 Temperature and level Transmitters
- 3.1. Introduction to Transmitters Definition of a transmitter Purpose of using transmitters in industrial measurement
- 3.2. Electronic Temperature Transmitters Construction Working principle Block diagram
- 3.3. Level Transmitters
- 3.3.1. Pressure (Hydrostatic) Type Level Transmitter Construction Working principle Applications
- 3.3.2. Differential Pressure (DP) Type Level Transmitter Pneumatic & Electronic type o Construction o Working o Applications
- 3.4. Zero Suppression and Zero Elevation Concept of zero suppression Concept of zero elevation Application in level measurement using DP transmitters
- 8. 20 % Unit IV Force and Torque Measurement Techniques
- 4.1.1. Definition and Units Definition of force Units of force
- 4.1.2. Construction, working, applications, merits and demerits of: Elastic Force Meters Load Cells
- 4.2.1. Definition and Units Definition of torque Units of torque
- 4.2.2. Construction, working, applications, merits and demerits of: Strain Gauge Torsion Meter Electrical Torsion Meter Mechanical Torsion Meter
- 4. 14 % GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 6 of 11
Unit 4 Vibration Measurement Techniques
- 5.1. Introduction to Vibration Measurement Definition of vibration Need of vibration measurement in industry Units of vibration
- 5.2. Vibration Sensors
- 5.2.1. Construction, Working principle, applications, merits and demerits of: Mass–Spring (Seismic) Type Vibration Sensor Piezoelectric Vibration Sensor
- 3. 6 % Total 45 Hrs 100% SUGGESTED PRACTICAL EXERCISES: The following practical outcomes (PrOs) that are the sub-components of the COs. Some of the PrOs marked ‘*’ are compulsory, as they are crucial for that particular CO. These PrOs need to be attained at least at the ‘Precision Level’ of Dave’s Taxonomy related to ‘Psychomotor Domain’. Sr. No. Practical Outcomes (PrOs) Approx. Hrs. Required
- 1. Perform temperature measurement using expansion thermometer. 04
- 2. Verify the law of intermediate metal for the available type of thermocouple. 02
- 3. Test the effect of reference junction temperature on given thermocouple 04
- 4. Convert output of thermocouple (mV) into temperature (˚C) using corresponding thermocouple calibration table. 04
- 5. Measure the temperature using RTD and Test. 04
- 6. Calculate temperature coefficient of resistance using RTD. 02
- 7. Measure the temperature using Thermistors and Plot the characteristic curve. 04
- 8. Measure the temperature of heating element using Optical Pyrometer. 04
- 9. Measure the temperature of heating element using radiation Pyrometer. 04
- 10. Test the operation of temperature switch at given Temp. 02
- 11. Measure the temperature using fiber Optic thermometer. 02 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 7 of 11 Sr. No. Practical Outcomes (PrOs) Approx. Hrs. Required
- 12. Measure the temperature using infrared thermometer. 02
- 13. Measurement of level in water tank with the help of sight glass. 04
- 14. Measurement of level in water tank with the help of pressure gauge. 04
- 15. Measurement of level in a tank using capacitive transducer. 04
- 16. Test Float type level switch. 04
- 17. Test Rotating paddle level switch. 04
- 18. Test Conductivity level switch. 04
- 19. Use differential pressure type level transmitter for given range & Test. 04
- 20. Use Electronic Temperature transmitters for given range & Test. 04
- 21. Demonstrate zero suppression and zero elevation using DP transmitter. 04
- 22. Measure torsion by electrical torsion meter. 04
- 23. Use load cell and test for performance. 04
- 24. Measure vibration by vibration analyser. 04 Note i. More Practical Exercises can be designed and offered by the respective course teacher to develop the industry relevant skills/outcomes to match the COs. The above table is only a suggestive list. ii. The following are some sample ‘Process’ and ‘Product’ related skills (more may be added/deleted depending on the course) that occur in the above listed Practical Exercises of this course required which are embedded in the COs and ultimately the competency. Sr. No. Sample Performance Indicators for the PrOs Weightage in %
- 1. Prepare experimental setup 30
- 2. Operate the equipment setup or circuit 10 GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Instrumentation and Control Engineering Subject Code : DI04017011 Subject Name : Process Instrumentation-II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page 8 of 11 Sr. No. Sample Performance Indicators for the PrOs Weightage in %
- 3. Follow safe practices measures 20
- 4. Record observations correctly 20
- 5. Interpret the result and conclude 20 Total 100 MAJOR EQUIPMENT/ INSTRUMENTS AND SOFTWARE REQUIRED: These major equipment/instruments and Software required to develop PrOs are given below with broad specifications to facilitate procurement of them by the administrators/management of the institutes. This will ensure conduction of practical in all institutions across the state in proper way so that the desired skills are developed in students. Sr. No. Equipment Name with Broad Specifications PrO. No.
- 1. Multimeter All
- 2. DC power supply ( -30 →0→+30 V with at least 1A current capacity) All
- 3. Electrical tool kit. All
- 4. Circuit/Trainer board/ Demonstration modules of Thermocouples, RTDs, Thermistors 1-7
- 5. Temperature Switches, Optical Pyrometer, Radiation Pyrometer 8-10
- 6. Sight Glass type Level Indicator 13
- 7. Float type, Displacer type and Capacitance type Level Switches 16-18
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