MR25401 Mechanical Instrumentation – Semester IV – Mechatronics – R-2025

Subject Code & Name: MR25401 – Mechanical Instrumentation

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.E. Mechatronics Engineering (Mechatronics)

Credits / L-T-P: 4 Credits | L-T-P: 3-0-2

Course Objectives

• To provide comprehensive knowledge of mechanical instrumentation by enabling students to understand measurement principles, sensors, signal conditioning, and data acquisition systems, and to apply these concepts in calibration, experimental analysis, and integration of instrumentation with mechatronic systems.

Full Unit-wise Syllabus

Unit I – Fundamentals of Measurement

Measurement system elements, Static characteristics: accuracy, precision, repeatability, sensitivity, Dynamic characteristics, Errors and uncertainty analysis, Calibration and standards

Practical: Calibration of measuring instrument, Error and uncertainty analysis experiment

Unit II – Displacement and Motion Measurement

Linear displacement sensors: Potentiometer, LVDT, Capacitive, Angular displacement: Optical encoder, Velocity measurement: Tachometers, Acceleration measurement: Piezoelectric accelerometers, INU (Inertial Navigation Unit)

Practical: LVDT calibration, Speed measurement using digital tachometer, Accelerometer study

Unit III – Force and Strain Measurement

Strain gauge principle, Gauge factor, Wheatstone bridge, Load cells, Torque measurement

Practical: Strain gauge experiment, Load cell calibration

Unit IV – Pressure and Temperature Measurement

Pressure sensors: Bourdon tube, diaphragm, piezoelectric, Temperature sensors: Thermocouple, RTD, Thermistor, Radiation pyrometers

Practical: Thermocouple calibration, Pressure measurement experiment.

Unit V – Flow and Level Measurement

Orifice meter, Venturimeter, Rotameter, Ultrasonic flow sensor, Level measurement techniques

Practical: Flow rate measurement experiment.

Unit VI – Signal Conditioning and Data Acquisition

Bridge circuits, Amplifiers and filters, A/D and D/A conversion, Data acquisition systems, PLC/DAQ-based measurement, Computer-based instrumentation

Practical: Signal conditioning experiment, Sensor interfacing using DAQ/PLC

Tasks: T1. Design a measurement system to monitor temperature and pressure in an industrial boiler. T2. Develop a sensor-based system to measure displacement and speed in a rotating machine. T3. Analyze strain and load in a structural component using strain gauges and load cells. T4. Design a DAQ-based system for real-time monitoring of flow and level in a process plant.

Course Outcomes (COs)

• CO1: Explain the fundamentals of measurement systems, characteristics, sensors, and instrumentation techniques.
• CO2: Apply measurement principles and sensor technologies to determine mechanical parameters such as displacement, force, pressure, temperature, and flow.
• CO3: Analyze measurement systems, signal conditioning circuits, and data acquisition systems to interpret experimental results and system performance.
• CO4: Evaluate measurement accuracy, calibration methods, and uncertainty in experimental data for reliable engineering applications.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 50% | End Semester Examinations 60%
• Internal methodology: Written Test (40%), Practical (30%), Activity (30%). Practical: Lab Experiments (50%), Tasks (50%) (Each student must complete a minimum of two tasks). Activity: Review of GATE/ESE (10%), Mini Project/ Quiz/ Assignment Programs/ Flipped Class /Seminar Presentation (20%)
• Note: the official Anna University PDF prints the weightage as 50% + 60% (totals 110%); it is reproduced here exactly as printed.

Source: Official Anna University – B.E. Mechatronics Engineering R-2025 Syllabus
Last Updated: October 2026