Session 3 (1st July 2010)

Objectives:

The learner will be able to identify the importance of Load cells.

Understand:

• Types of Load cells
• Installation and sensitivity of load cells

Students work:

• Find out industries where load cells can be applied
• Identify the types of load cells for different applications.
• Typical application areas

References:

http://www.sensorland.com/HowPage005.html
http://www.npl.co.uk/reference/faqs/how-many-different-types-of-force-transducer-are-there-%28faq-force%29
http://www.omega.com/prodinfo/loadcells.html

Session 2 (30th June 2010)

Objectives:

The learner will be able to identify the importance of force transducers.

Understand:

• Force measurement methods
• Elastic transducer model

Session 1 (28th June 2010)

Introduction of friends

After this session learner will be able to understand:

1. Introduction to Industrial Instrumentation
2. Role of an Instrumentation engineer: DMIAC
   
3. Need of Industrial Instrumentation
4. Types of Instruments: based on power, based on containment, based on operation
   
5. Types of measurement: direct Vs Indirect
6. Characteristics of Instruments: static and dynamic
   
7. Common process parameters in Industries

Syllabus II - 1

UNIT – I

Measurement of straightness, flatness, roundness and roughness. Electric balance – different
types of load cells – magnets – elastics load cell-strain gauge load cell- different methods of
torque measurement, using strain gauge, relative regular twist-speed measurement – revaluation
counter-capacitive tacho-drag up type tacho D.C and A.C tacho generators – stroboscopic
methods.

UNIT – II

Mechanical type flowmeters: Theory of fixed restriction variable head type flow meters-orifice
plate – venturi tube – flow nozzle – dall tube – installation of head flow meters- piping
arrangement for different fluids – pilot tube. Positive displacement flow meters – constructional
details and theory of operation of mutating disc, reciprocation piston, oval gear and helix type
flow meters-inferential meter turbine flow meter – rotameter – theory and installation – angular
momentum mass flow meter – coriolis mass flow meters – thermal mass flow meter – volume
flow meter plus density measurement – calibration of flow meters – dynamic weighing method.

UNIT – III

Electrical type flow meter: Principle and constructional details of electromagnetic flow meter –
different types of excitation – schemes used – different types of ultrasonic flow metera-laser
Doppler anemometer systems – vortex shedding flow meter – target flow meter – solid flow rate
measurement – guidelines for selection of flow meter.

UNIT – IV

Accelerometers - LVDT, piezo-electric, strain gauge and variable reluctance type accelerometers
– mechanical type vibration instruments – seismic instrument as an accelerometer and vibrometer
– calibration of vibration pick ups – units of density, specific gravity and viscosity used in
industries – Baume scale API scale – pressure head type densitometer – float type densitometer –
ultrasonic densitometer Bridge type gas densitometer.

UNIT – V

Viscosity terms – say bolt viscometer – rotameter type viscometer – industrial consistency meters
– humidity terms – dry and wet bulb psychrometers – hot wire electrode type hygrometer – dew
cell – electrolysis type hygrometer – commercial type dew point meter – moisture terms -
different methods of moisture measurement – moisture measurement in granular materials, solid
penetrable materials like wood, web type material.

Text Books:

1. Ernest O.Doebelin, “Measurement systems Application and Design”, International
Students Edition, IV Edition, McGraw Hill Book Company, 1998.
2. R.K.Jain, “Mechanical and Industrial Measurements”, Khanna Publishers, New Delhi,
1999.

References:

1. D.Patranabis, “Principles of Industrial Instrumentation”, Tata McGraw Hill Publishing
Ltd., New Delhi, 1999.
2. A.K.Sawhney, “A course in Electrical and Electronic Measurement and Instrumentation”,
Dhanpat Rai and Sons, New Delhi, 1999.
3. P.Holman, “Experimental Methods for Engineers”, International Student Edition,
McGraw Hill Book Company, 1971.