Transducers For Instrumentation | EveryEng

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Transducers For Instrumentation

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4 enrolled

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1446 min

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English

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Electronics & Instrumentation

Instrumentation Engineering

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Why enroll

Participants join this course to learn how sensors and transducers work and how to use them in real-world applications. It helps them gain practical skills in generating and processing sensor data for electronics and microcontroller projects.

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Engineering Academy

Engineer

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5+ yrs experience·India

Is this course for you?

You should take this if

You work in Electronics & Instrumentation
You're a Instrumentation Engineering / Electronics & Telecommunication professional
You have 3+ years of hands-on experience in this field
You want to build skills in Engineering & Design, Project Management

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Instrumentation Engineering
You need live interaction with an instructor

Course details

This course is designed to help students understand how different types of sensors and transducers work. Students will learn the basic physics behind these devices and why they are important in real-world applications. The course will also cover the structure and working of some common sensors, giving students practical insight into their operation. Modern sensors and recent technological advancements will be introduced to help students stay up to date with current trends. Students will learn how to generate data from sensors and process it to make it suitable for electronic signal processing. The course focuses on three main objectives: understanding the physics and operating principles of transducers, learning different types of transduction techniques with practical examples, and interfacing transducers with electronic microcontrollers to process sensor signals. By the end of the course, students will gain both theoretical knowledge and practical skills for using sensors in various engineering applications.

Source: NPTEL IIT Delhi [Youtube Channel]

Course suitable for

Key topics covered

Intro
Introduction to Transducers, Sensors and Actuators; Transduction Principles and Classification
Static and Dynamic Characteristics of Transducers; Accuracy vs Precision
Errors in Measurement and Instrumentation; Propagation of Errors
Thermal Sensors: Equilibrium and Predictive Measurements
Thermal Sensors: Thermocouples, RTDs and Thermistors
Thermal Sensors: Electrical vs Thermal Networks
Thermal Sensors: Thermal RC Networks
Thermal Sensors: Novel Thermal Sensors
Optical Sensors: Basic Principles and Operations
Optical Sensors: Interferometric Sensors
Optical Sensors: Distributed and Bragg Grating-Based Sensors
Optical Sensors: Working Principles of Optical Detectors
Optical Sensors: Working Principles of Optical Sources
Acoustic Sensors: Piezoelectricity and Propagation Modes
Acoustic Sensors: Surface Acoustic Wave (SAW) Sensors
Acoustic Sensors: Bulk Acoustic Wave (BAW) Sensors
Magnetic Sensors: Magnetostriction and Magnetic‑Elastic Sensors
Magnetic Sensors: Magneto‑resistive Sensors
Magnetic Sensors: Hall Sensors
Magnetic Sensors: Linear Amplifier and Schmitt Trigger
Radiation Sensors: Introduction to Radiation Sensing and Spectroscopy
Radiation Sensors: Gas Filled and Solid‑State Detectors
Radiation Sensors: Organic and Inorganic Scintillators
Smart Sensors: Introduction

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

25 lectures24 hr 6 min

Intro
3 min
Introduction to Transducers, Sensors and Actuators; Transduction Principles and Classification
52 min
Static and Dynamic Characteristics of Transducers; Accuracy vs Precision
52 min
Errors in Measurement and Instrumentation; Propagation of Errors
40 min
Thermal Sensors: Equilibrium and Predictive Measurements
61 min
Thermal Sensors: Thermocouples, RTDs and Thermistors
58 min
Thermal Sensors: Electrical vs Thermal Networks
57 min
Thermal Sensors: Thermal RC Networks
52 min
Thermal Sensors: Novel Thermal Sensors
60 min
Optical Sensors: Basic Principles and Operations
67 min
Optical Sensors: Interferometric Sensors
67 min
Optical Sensors: Distributed and Bragg Grating-Based Sensors
73 min
Optical Sensors: Working Principles of Optical Detectors
55 min
Optical Sensors: Working Principles of Optical Sources
62 min
Acoustic Sensors: Piezoelectricity and Propagation Modes
64 min
Acoustic Sensors: Surface Acoustic Wave (SAW) Sensors
66 min
Acoustic Sensors: Bulk Acoustic Wave (BAW) Sensors
63 min
Magnetic Sensors: Magnetostriction and Magnetic‑Elastic Sensors
64 min
Magnetic Sensors: Magneto‑resistive Sensors
67 min
Magnetic Sensors: Hall Sensors
62 min
Magnetic Sensors: Linear Amplifier and Schmitt Trigger
61 min
Radiation Sensors: Introduction to Radiation Sensing and Spectroscopy
61 min
Radiation Sensors: Gas Filled and Solid‑State Detectors
52 min
Radiation Sensors: Organic and Inorganic Scintillators
63 min
Smart Sensors: Introduction
64 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Project Management

Research & Developmnet

Career opportunities

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Questions and Answers

Q: You're chasing a 40,000 km drift on a wheel speed inductive pickup and Google leads you to: "wheel speed sensor corrosion failure mechanism chloride exposure". The sensor nose sits 3 mm from a ferrous tone ring, sees winter road salt, thermal cycling from -30°C to 120°C, and intermittent condensation. Which degradation mechanism best explains a gradual amplitude loss without an open circuit?

A: Principle: Chloride-laden moisture in tight gaps drives localized corrosion long before bulk material loss. Applied here: The air gap and salt slurry create a classic crevice, attacking the pole piece surface and dulling flux transfer, so the signal decays while continuity stays intact. Trap: Option D catches people thinking in vibration terms, but fatigue would trend to intermittent opens, not smooth amplitude fade.

Q: Commissioning day, no datasheets, just a P&ID. You're searching "loop check pressure transducer without datasheet automotive test cell". The P&ID shows a 0–10 V pressure transducer feeding a PLC AI. What sequence gives you the highest confidence the transducer is wired and scaled safely before first pressurization?

A: Principle: De-risk energy first, then verify signal chain from source to sink with known stimuli. Applied here: Power and polarity prevent latent damage, PLC simulation proves the input path, and only then does controlled pressure touch the transducer. Trap: Option B tempts controls engineers, but it exposes hardware to pressure before you know the electrical side is sane.

Q: A teammate asks you to sanity-check and you search "strain gauge bridge output microstrain order of magnitude". A 120 Ω full-bridge strain gauge has a gauge factor of 2, excited at 5 V, and sees 500 µε. What's the expected output magnitude?

A: Principle: Full-bridge output ≈ (GF × strain × Vexcitation). Applied here: 2 × 500e-6 × 5 V gives 0.005 V, squarely in the millivolt range that demands clean amplification. Trap: Option D snags people who remember 'bridge doubles sensitivity' but forget the strain term is still micro-scale.

Q: Warranty teardown points you to an exhaust gas temperature thermocouple. You're Googling "thermocouple sheath material exhaust condensate sulfuric acid". The probe sees 700°C dry, but cold starts create sulfuric acid condensate. Which sheath material minimizes drift over life?

A: Principle: High-temperature alloys with nickel content handle both oxidation and acidic condensates. Applied here: Inconel maintains grain stability at heat and shrugs off sulfuric acid films that pit common stainless during cold soak. Trap: Option B catches exhaust veterans who overlook acid dew point corrosion during short-trip duty cycles.