Download Instrument Mechanic

SYLLABUS OF SEMESTER SYSTEM
FOR THE TRADE OF
“INSTRUMENT MECHANIC’’
UNDER
CRAFTMAN TRAINING SCHEME (CTS)
(FOUR Semesters)
Designed in – 2012
By
Government of India
Ministry of Labour & Employment (DGE&T)
CENTRAL STAFF TRAINING AND RESEARCH INSTITUTE
EN-81,Sector -V, Salt Lake,
Kolkata – 700 091
List of the trade committee members approved the syllabus of Semester System for the
trade of “INSTRUMENT MECHANIC” under Craftsmen
Training Scheme (CTS) held on 13th & 14th Sep.2011 at ATI, Mumbai – 22,
Maharashtra.
Shri S.J.Amalan, Director, C.S.T.A.R.I, kolkata
Sl. No.
1.
Organization
ATI, Mumbai
Remarks
Chairman
ATI, Mumbai
Member
ATI, Mumbai
Member
4.
Name and Designation ,Shri
S/Shri R. K. Pathak
Director In Charge/HOD
Ujjwal Biswas
Dy. Director of Trg
Abhinoy Nandi
Dy. Director of Trg
P.S. More, Training Officer
ATI, Mumbai
Member
5.
S. J. Wakde, Training Officer
ATI, Mumbai
Member
6.
Smt. Kavita K. Phadnis,
Training Officer
A.R.H. Shaikh, Training Officer
N.V.Nare, Training Officer
J.H.Suryawanshi,
Training Officer
D. N. More, Training Officer
A. N. Mancharkar, Instructor
S. Z. Rajput, Instructor
P.R.Patil, Instructor
S.S.Barve, Instructor
R.S.Wagh, Instructor
D. M. Basha, Instructor
ATI, Mumbai
Member
ATI, Mumbai
ITI, Mahad
ITI, Mahad
Member
Member
Member
ITI, Mahad
IT I Ambarnath
IT I Ambarnath
ITI, Nagathane, Roha
ITI, Mahad
ATI, Mumbai
ATI, Mumbai
Member
Member
Member
Member
Member
Member
Member
2.
3.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
GENERAL INFORMATION
1. Name of the Trade
:
2. NCO Code
:
3. Duration of Craftsman Training :
Instrument Mechanic
Two Year(Four semesters having duration of six months
each).
4. Entry Qualification
:
pass 10th under 10+2 scheme.
5. Space Norms
:
Workshop: 100 Sq. M.
6. Power Norms
:
8.07 KW.
7. Trainees per unit
:
8. Qualification for Instructor :
20
Degree Engineering in Instrumentation /Instrumentation
and control /Electronic Instrumentation/ Process Control
Instrumentation with one year post qualification
experience in relevant field.
OR
Diploma Engineering in Instrumentation /Instrumentation
and Control /Electronic Instrumentation/ Process Control
Instrumentation with two year post qualification
experience in relevant field
OR
National Trade Apprentice Certificate with 4 years post
qualification experience in relevant trade.
OR
National Trade Certificate with 5 years post qualification
experience in relevant trade.
9.Desirable Qualification : Preference will be given to a candidate having Craft instructor Training Certificate.
(If not done CITS than must be trained within 02yrs on joining)
Syllabus for the trade of “INSTRUMENT MECHANIC (GENERAL)” under Craftsmen Training Scheme (CTS)
Based on Semester System
Week.
No.
1
2
Trade practical
FIRST SEMESTER (Basic electricity and electrical measuring instruments)
Trade Theory
Engineering drawing
Vocational science &
Calculation
Introduction
to General simplifications
Engineering
- introduction, fraction,
Drawing. Importance, decimal fraction, LCM,
familiarization
of multiplication
of
drawing equipment
decimal, division of
decimals etc.
Organization
of
the
Institute,
Departments various trades & functions.
Types of work, responsibility to be
undertaken, incentives and future
planning of profession.
OSH:Safety precautions to be observed
in the trade both during ‘theoretical
Periods’ and ‘Practical hours/workshop
hours’
Elementary First Aid.
Safety and hazards.
Sign boards and types.
Hazardous
and
non-hazardous
.
environmental pollution related to the
trade caused, consequences , mitigation
and control.
Bench Work. Filing practice, Basic hand tools, types, classification Sheet
layout
Balance of Pressure, Filing surface & use. basic file, hack saw, vice, screw sketching.
side & checking 90 degree by the try drivers, spanners, chisel, pliers
square (simple exercises involving
filing & use of vice)
Introduction to the training.
Familiarization with the institute.
Layout of shop equipment &
machineries. Syllabus, system of
training, Examination, Types of work
done by the trainees. Familiarization
with
the
institutional
Rules,
discipline, cleaning & forming those
habits.
‘Elementary First Aid’ practice,
Artificial
respiration
practice.
Occupational health hazard related to
the trade its causes consequences,
mitigation and control.
and
-Do-
3
4
5
6
Simple filing exercises as per
dimension up to an accuracy of +/0.5mm.
Measuring with the help of Vernier
Caliper, Micrometer
Measurement & measuring instruments.
Marking tools steel rule, try square,
hammer, punch, chisels, scriber.
Precision Measuring Instruments.
dial indicators, surface plate, calipers,
micrometers, bevel protractor. gauges
Lettering, Numbering
Drilling small holes with help of
bench drill machine. Tapping holes
Checking hole size with gauges.
Straightening of tube, bending of
tube with straight & other couplers.
Checking leakage etc.
Element & types of screw threads used in
instruments, drilling and tapping, taps
and dies.
tube fitting:Types of tubes used for
instrumentation. Tube cutter, Flaring
tools, equipments & fixture required for
pipe bending, straightening, thread
cutting, method of installation.
Geometrical drawing
angles, triangles, circle,
square, Rectangle
-Do-
Basic electricity: Electrical componentsconductor, semiconductor & insulators.
Standard wire gauge (SWG).
Introduction
of
electricitystatic
electricity.
Current, voltage, P.D, E.M.F, resistance.
Electrical circuit – D.C & A.C circuit
differences.
Importance of grounding.
Geometrical
drawing Logarithms- definition,
refer to the log table ,
Rhombus,
log and antilog
Parallelogram,
Pentagon,
Hexagon,
Heptagon,
Regular
Polygon
7
Identification +Ve –Ve polarities.
Identifying and use of various
electrical components, their symbols.
Wire size measurement technique.
Measuring current voltage &
resistance.
8
Resistance measured by the colour
code.
Simple exercise on soldering.
By temperature controlled soldering
station.
Uses of multimeter.
Resistor, Resistivity and colour code.
Types
of
resistors
used
in
instrumentation.
Definition and purpose of soldering and
Types of lines & its use
Dimensioning Method.
-Do-
Square roots – square
and square root,
symbol of root,
theorem of Pythagoras.
-Do-
Percentageintroduction
examples
Basic
units
electricity
conversion
and
of
and
9
10
11
12
Soldering and desoldering of various de-soldering. Soft soldering. Types of
components in verso boards.
soldering irons. Solder & flux. Care &
precaution of soldering
Desoldering tools and method of use.
Verification of ohm’s law.
Cells and batteries: Ohm’s law &
Resistor in series and parallel Kirchhoff’s laws.
circuits.
Series & parallel circuits. Primary &
Measurement of voltage in series secondary cells and batteries. (Liquid &
and parallel circuits.
dry).
Maintenance free batteries - constructioncharging, efficiency-use, advantage.
Familiarize with various types of Switches: Switches and types.
switches; construct circuits with Magnet and magnetism, magnetic
SPST, SPDT, DPDT switches.
properties. Magnetic campus and its uses.
Operating and installation of relays.
Explanation
of
Electromagnetism.
Use of magnetic campus. Study Advantages, disadvantages-applicationvarious types of applications like types E.M. relays. Types- uses of
buzzers, solenoid valves.
Solenoids.
Circuit breakers and their working.
Testing of inductor. Measure the Inductor and capacitor: Inductor and
values of inductor by inductance Inductance, types of inductors, Factors
(LCR) meter.
affecting the value of inductance, self
Measuring Q- factor of inductor.
inductance (L), Mutual inductance (M),
Demonstration on self and mutual Inductors in series and parallel, Q factor
induction.
of the coil.
Testing of capacitor. Measure the Capacitance, types of capacitor, unit of
values of capacitor by capacitance capacitance, factors affecting the value of
(LCR) meter.
capacitors, charge, energy stored in
Identifying capacitor value using capacitors. Capacitors in series and
various techniques
parallel. Capacitors in DC circuit, RC
-Do-
Simple problems on
ohms
law
and
Kirchhoff’s laws.
Geometrical drawing of Simple problems on
ellipse, oval etc.
series and parallel
circuits.
-Do-
Simple problems on
inductor series and
parallel
Isometric & oblique Simple problems on
view of various jobs. capacitor series and
Simple
orthographic parallel
projection of 1st angle &
3 rd angle
13
14 &
15
16
Verification of RC time constant.
time constant.
Study the characteristics of series and A.C.-impedance, Inductive reactance,
parallel resonance circuits.
capacitive reactance.
AC current through – R,L,C circuits.
Resonance in RLC circuit. Importance –
of series and parallel resonance,
properties. Impedance, Admittance, Qfactor.
Study working of AC and DC Generator and motors: Principles of
motors.
alternating current , A.C & DC electricity
Identification, testing & running of Introduction of AC and DC generators
Motors and generators.
working
principles,
construction,
operation, field magnets, armature
windings, commutator and brushes. EMF
equation. Faraday’s Law, Lenz’s Law,
Fleming’s left Hand and right hand rules.
DC
motors
working
principles,
construction, operation, types.
AC motors, induction motors, three
phase motors, stepper motors.
Experiments
on
transformer. Transformers: Transformer, types,
Measuring current & voltage in transformation ratio. Open circuit test
primary & secondary windings. and short circuit test. Regulation auto
Testing auto transformer in its transformer
Current
measurement.
various tapping Care & maintenance Instrument
transformer.
Potential
& connection of auto transformer and transformer and current transformer.
instrument transformer.
-Do-
-Do-
-Do-
-Do-
Simple sectional views.
Problems
transformer ratio.
on
17
18
Familiarization with the construction Electrical measuring instruments:
Free hand sketching of
-Doof (PMMC) instruments. testing
Basics of electrical measuring
hand tools
instruments- types – absolute and
Testing & calibration of ammeters secondary instruments.
and voltmeter of various types.
Types of secondary instruments.
Finding meter FSD full scale Essential of electrical measuring
deflection reading, measurement instruments-deflecting torque, controlling
value, meter sensitivity, accuracy. torque, damping torque etc
Meter resistance, maximum power DC instruments - ‘D’ Arsonval meter,
capability etc.
PMMC meter- working principle,
method of working, moving coil
operation.
Terminology -parallax error, FSD full
scale deflection reading, measurement
value, meter sensitivity, accuracy. Meter
resistance, maximum power capability
etc.
Ideal and practical characteristics of
ammeter, voltmeter.
Making shunt and series resistances Meter range extension – converting
-DoProblems on meter
of various ranges of ammeters. galvanometer in to ammeter, voltmeter.
range extension.
Making multipliers for different Range extension of voltmeter, ammeter.
ranges of voltmeter and ammeter. Shunt resistance and series resistance
making extension of instrument value calculation.
range.
Meter
resistance,
meter
FSD
Finding meter resistance.
identification techniques.
Use of Ohm meter. Calibration of Ohm meters- measuring electrical
ohm meter, use of megger & earth resistance.
Basic construction of Ohm meter,
tester.
working method of ohm meter.
19
Familiarization with the construction
of dynamometer type instruments and
MI, overhauling and calibration of
dynamometer
type
instruments.
Measurement of power by wattmeter
& calibration of wattmeter.
20
Familiarization with the construction
of ampere hour meter . calibration of
ampere hour meter.
Measurement of three phase and
single phase power. calibration of
Energy meter
Types of Ohm meter – series and shunt
type of ohm meters.
Megger/insulation tester, earth tester –
construction working advantages and
disadvantages of various types of ohm
meter.
AC instruments – types of AC
measuring instruments – MI , electro
dynamometer type. Working principle,
construction,
advantages
and
disadvantages of MI instruments and
electro
dynamometer
instruments.
Various applications.
Electro dynamometer applications – as
voltmeter, ammeter, power measuring
instrument, energy measuring instrument,
power factor meter etc.
AC voltage and current measurement
using PMMC meter(rectifier type ).
Induction type meters – working
principle construction and operation of
induction type instruments .
Construction and Applications – single
phase and three phase energy meter, watt
meter.
Watt hour meter, Ampere Hour meter,
power factor meter etc.
-Do-
-Do-
-Do-
-Do-
21 to
26
Revision And Test
Syllabus for the Trade of “INSTRUMENT MECHANIC
Duration : Six Month
(GENERAL)” under C.T.S.
Second Semester
SECOND SEMISTER (BASIC ELECTRONICS)
Week.
No.
27
28
29
Trade Practical
Trade Theory
Identification of various types of diodes Electronics basics: Semi conductor,
(solid state), checking of diodes. Covalent bond, Doping, Intrinsic and
Verification the characteristics of diode.
extrinsic semiconductor.
PN
junction diode, Forward and Reverse
bias characteristics.
Specification of diodes. Applications
of diode.
Special semiconductor diode- Zener
diode, tunnel diode, Photo diode.
LED, 7 segment display, LCD
Identification of transistors, FET, Transistors: Defining transistors,
checking of transistors, FET
NPN & PNP transistor, Symbol,
operation, Biasing of Transistor &
mode of Application. Transistor CB,
CC, CE
Amplification. Current gain, voltage
gain, and power gain.
Introduction to FET, MOSFET.
Making half wave & full wave rectifiers, Power supply unit:
Engineering Drawing
Symbols
electricity.
in
Vocational science &
Calculation
basic Ratio and proportionsimple examples and
problems
Symbols of switches and
relays.
Symbols of various
types of transformers.
-Do-
Diagram and sketches of . Graph – roles for
30
31
32
33
center tape & bridge full wave rectifiers. Rectifiers: half wave rectifier, full
Study the function of filters.
wave (bridge & center tapped)
rectifier.
Voltage multipliers.
Filters: Introduction, purpose and
use of ripple filter. Types of filters.
Capacitance filter, inductance filters,
RC filters, LC filters, voltage
dividers and bypass filters.
Hooking up a various types of fixed and Voltage regulators. Introduction &
variable voltage regulators & determine purpose Zener regulators, shunt
its characteristics.
regulators, series regulators, IC
regulators, variable IC regulators.
Study the power supply units.
Power Supply units. Introduction,
Testing of SCR, TRIAC, DIAC and study purpose & use. UPS and SMPS,
the characteristics of SCR, TRIAC, inverters and converters. and their
DIAC.
applications
Thyristor
devices
:
basic
description and applications of SCR,
TRAIAC, DIAC.
Layout of components and preparation of General characteristics of an
PCB’s. soldering and disordering amplifier, Concept of amplification.
practice.
Types of Amplifiers. DC load line
and AC load line. PCB basic
construction,
applications.
Lay
outing circuit on PCB.
Study CE and FET amplifiers.
Amplifiers:
Single
Stage
Finding the gain and phase relation of Amplifiers.
amplifiers.
Classifying amplifiers and their
operation. Single stage voltage
electrical
measuring drawing graph, drawing
instruments.
and reading simple
graphs
Symbols
of
electronics.
basic Simple problems on
transistor voltage gain,
current gain, and power
gain
Circuit
diagram
of Simple Problems on
rectifiers.
rectifiers.-efficiency,
output voltage.
-Do-
-Do-
Circuit
diagram
of
single stage transistor
amplifier and multistage
transistor amplifier
-Do-
34
Study of various types of Oscillator as
mentioned theory.
35
Study various op- amp applications –
inverting
amplifier,
summer,
and
differencial amplifier.
V to I and I to V, Instrumentation
amplifier
36
Astable and monostable multivibrator
using IC 555 timer
37
-Do-
divider
biased
CE
amplifier
Allowing operating region, operating
point, and load lines,
FET amplifiers. Advantages and
disadvantages.
Oscillators:oscillations, oscillation
frequency, basic working principle
and working of Tank circuit, Crystal
controlled oscillators, Phase shift oscillators, RC phase shift oscillators,
Colpitt, Clapp, Hartely, and IC
oscillators.
Operational Amplifier:
Differencetial amplifier, ideal opamp.
Op-amp with feed back, advantages
of feed back.
Inverting and Non inverting and
inverting amplifier, Op-amp as
summer, differential amplifier. V to I
converter and I to V converter,
Instrumentation amplifier
Basics of op- amp applications integrator, differentiator.
Mulivibrator- astable, monostable,
and bistable multivibrator.
Introduction of timers (555) and its
applications.
Digital electronics:
Number systems: binary, octal,
Circuit
diagram
oscillators
of Problems on oscillators
– output frequency.
op-amp
applications Problems on Op- amp
circuits- inverting and gain,
summer,
non-inverting amplifier, subractor.
summer,
instrumentation
amplifier
Circuit
diagram
of
astable and monostable
multivibrator using IC
555
-Do-
-Do-
Number
convertions.
systems,
38
Verification of truth tables of various
logic gates.
39
Verification of truth tables for adders and
subtractors. RS and JK Fillip flops.
40
Introduction of Counters. Study function
of BCD to decimal decoder, BCD to 7
segment display circuits
41
Study various types of bridge circuits.
42
Study function of D/A and A/D circuits.
decimal and hexadecimal number
system. Conversion of number
systems. Boolean algebra, binary
addition, subtraction, 1’s and 2’s
compliment.
BCD code, ASCII code, greys code.
Logic Circuits. Basic gates- AND,
OR and NOT gates. De-Morgan’s
Theorem.
Universal gates – NAND and NOR
gates.
Special gates – Ex-OR, Ex – NOR
gates and Buffer and its applications.
Basic digital ICs, function, digital
application, logic symbols.
Adders – Half adder, full adder
Subractor – Half subtractor, full
subtractor.
Flip flops – RS flip flop, clocked RS
flip flop, JK flip flop,.
Basics of Counters and registers.
Multiplexer and de-multiplexer.
Encoder and decoder. BCD display,
BCD to decimal decoder. BCD to 7
segment display circuits.
Bridge circuits: need of bridges,
types of AC and DC bridges,
Wheatstone bridge.
A/D and D/A converters.
Introduction, weighted register D / A
Symbols
in
electronics.
digital
-Do-
Block diagram of adder
and subtractors.
-Do-
Block
diagram
of 1’s
and
counters and registers.
compliment.
Free hand sketches of
bridges.
2’s
-Do-
Simple circuit diagram Binary
of A/D and D/A subtraction,
addition,
43
Measurement voltage, frequency using
CRO. Study method of operating storage
oscilloscope.
Method of using CRO probes.
44
Identification of PC components and
devices.
45
and
46
To familiarize with 8085 Microprocessor
kit.
converter, binary(R-2R) ladder D / A
converter, specification for D / A
converter,
Ramp and successive type A/D
converter,
Digital voltmeter
CRO: introduction and applications
of CRO, functional block diagram of
CRO, CRT power supply. Various
types of probes.
Applications of various types of
CROs like dual beam CRO, Dual
trace CRO, storage oscilloscope.
Computer fundamentals:
Introduction to Computer, Block
diagram of PC, I/P and O/P and peripheral equipm ents, terminals,
printers, MODEMS programming
languages, software,
Familiarization of Multi Media
System consisting of CD ROMS,
DVD ROMS,
Microprocessors: Introduction to
microprocessor micro computers,
Memories Intel 8085. Architecture ,
Microprocessor
applications.
Instruction
set
of
8085,
Microprocessor.
1. Data transfer group.
2. Arithmetic group.
converters.
multiplication
divisions
Block diagram of CRO
-Do-
Computer
diagram.
-Do-
block
and
Simple block diagram of Calculations on finding
8085 microprocessor.
unknown
resistance
using bridges
3. Logic group.
Basic Programming of 8085
Revision And Test
47 to
52
Syllabus for the Trade of “INSTRUMENT MECHANIC
Duration : Six Month
(GENERAL)” under C.T.S.
Third Semester
THIRD SEMISTER (INSTUMENTATION AND MEASUREMENTS)
Week
No.
53
54
Trade Practical
Trade Theory
Study various types of instruments Instrumentation fundamentals:
constructions and identifying various Scope
and
necessity
of
parts and section.
instrumentation.
Fundamentals
of
measurement
systems- functional block diagram of
measurement system . calibration and
calibration
standards
–
basic
standards,
secondary
standards,
working standards.
Fundamental units The metric
system, Base & supplementary units,
Derived Units, Multiplying factors
and standards of length, mass, time, &
frequency.
Temperature & electrical units.
-DoInstrument characteristics
Static characteristics – accuracy,
Engineering Drawing
Drawing various types
of lines using in
instrumentation field as
per ISA (International
society for automation).
Simple block diagram of
measuring instruments.
Vocational
Science
and Calculation
Force- Newton’s law of
motion, unit of force,
resultant force, space
and vector diagrams,
parallelogram law of
forces, condition of
equilibrium, triangle of
force, Lami’s theorems,
moment of inertia,
centripetal
and
centrifugal force.
-Do-
55
Measuring strain in terms of resistances.
Operating load cells, LVDT and
capacitive transducer.
56
Measuring speed and velocity using
various tachometers.
Operating stroboscope
57
Pressure Measurement. Practical on
various Pressure sensors and pressure
gauges.
Measuring gauge, absolute and vacume
pressure using manometer.
precision, sensitivity, resolution dead
zone, repeatability, reproducibility,
drift, Dead band, backlash, hysteresis.
Dynamic characteristics – speed
response, fidelity, lag.
Error, deviation, true value, data.
Types of errors- systematic, random &
illegitimate error.
Motion measurement:
Stress & Strain Measurement.
Introduction to Strain gauges, types of
strain gauges and differences.
Applications of strain gauges , load
cells.
LVDT, RVDT, capacitive and
inductive transducers advantages and
limitations.
Measurement of motion, velocity/
vibro-meters
and
acceleration.
Difference between tachometer and
speedometers.
Types of tachometers - Eddy current
type, AC and DC tachometer.
Stroboscope and its applications.
Pressure Measurement:
Principle of Pressure in Liquids&
Gases. Properties of matter
Principles of liquid pressure, units of
pressure Liquids pressure and volume,
density and specific gravity. Factors
Symbols of transmitter
and sensors indication as
per ISA
block
diagram
of Velocity and speedLVDT,
capacitive, definition,
vector
inductive transducer
quantity,
scalar
quantity,
difference
between speed and
velocity, acceleration.
Symbols
of
displacement devices,
tachometers.
block
diagram
of
tachometer.
Symbols of various
pressure sensors.
block
diagram
of
pressure indicator and
transmitter.
-Do-
Method of using barometer
58
Testing and installation of bourdon tube,
diaphragm type, capsule type pressure
gauges and pressure switches.
59
Operating and calibrating Pressure
transmitters, DP transmitters practical
on I to P and P to I converters.
60
Measuring low pressure
affecting liquid pressure. Pressure
relation with volume, temperature and
flow.
Units of pressure and unit conversions.
Types of pressure: absolute, gauge,
atmospheric and vacuum pressures and
their relation ships.
Barometers,
Aneroid
barometer,
manometers types and applications.
Types of pressure sensing elementsbourdon tube, diaphragms, capsules,
and bellows. Each on types, shapes,
material used for various applications,
ranges advantages and limitations.
Pressure
switches
types
and
applications.
Electrical
pressure
transducers.
method of conversion, primary
and
secondary
pressure
transducers. potentio metric pr.
transducers,
Capacitive
pr.
transducers,
reluctance
pressure
transducers, strain gauge pressure
transducers, piezoelectric pressure
transducer. Differentials pressure
transducers. P to I and I to P
converter
Low Pressure Measurement.
Vacuum,
gauges,
thermal
conductivity gauges, pirani gauges,
-Do-
Stress
and
straindefinition,
simple
stress, strain, hooks
law, young’s modulus
or modulus of elasticity
, factor of safety
Free hand sketches of
bourdon tube/diaphragm
gauges and various
pressure
measuring
devices.
-Do-
-Do-
Unit of pressure and
unit conversions.
61
Repairing, fault finding, Testing &
calibration of various types of
pressure
measuring
instruments.
Calibration with dead weight tester
and comparator.
62
Flow Measurement Checking various
types of flow restrictors (orifice,
venturi, flow nozzle) and use.
63
Dismantling, checking overhauling and
calibration of D.P. cell/ transmitter in
the flow line.
64
Installation and testing of variable
area type flow meters study the
construction of weirs and flumes.
thermocouple
gauges,
McLeod
gauge.
Method of pressure instrument
calibration. Dead weight tester and
comparators/manifolds.
Maintenance and servicing of
various
pressure
measuring
instruments.
Flow measurement:
Properties of Fluid Flow. Basic
properties of fluids, fluids in motion, getting fluids to flow, units of
flow rate and quantity flow, factors
affecting flow rate, Reynolds
number, relation between flow rate
and pressure, area, quantity.
Types of flow meters – head type,
variable area type, quantitative flow
meters. Mass flow meters.
Head type of flow meters: working
principle, types- venturi tube, orifice
plates and it’s shapes. Pitot tube, flow
nozzles,
constructions,
tapings,
advantages, limitations, applications,
materials used for various flows.
Types of secondary devices used to
measure for flow rates.
Open channel flow meters- principle
of open channel flow, weirs and
flumes. Various shapes and their
-Do-
-Do-
block diagram of flow Density and relative
meters.
density- mass, unit of
mass,
weight,
difference
between
mass
and
weight,
density, unit of density,
relative
density,
Archimedes principle,
law
of
floatation,
buoyancy, hydrometer
Free hand sketches of
head type flow meters.
-Do-
Free hand sketches of
Rotameter.
-Do-
67
65
Study
construction,
repairing
various
types
of
positive
displacement flow meters- rotating
vane. Calibration
of
positive
displacement flow meters.
66
Calibrating and installing turbine
flow meter, vertex flow meters
Installation
maintance
of
flow
instruments. (Components for flow
measurement system, primary flow
elements, pressure taps, piping and
fitting
valve,
DP
transmitter,
miscellaneous items.).
applications, maintenance.
Variable area type flow meterRotameter, constructions, working
principle, applications. Various shapes
of float, type of materials used to body
and float, applications.
Positive Displacement Meters. Symbols of various flow Unit of flow and flow
Advantages and disadvantages of sensors, indicators and rate, unit conversion
positive
displacement
meters, transmitters.
piston meter, oscillating piston
meter, rotating vane meter, notating
disk meter, lobed impeller and oval
flow meter, calibrating positive
displacement meters.
Electronic flow meters-Target flow
-Do-Dometers, turbine flow meter, magnetic
flow meters, vertex flow meter.
Construction, working principle,
advantages and disadvantage,
applications..
Carioles mass flow meter, thermal
flow meters, summary basics of ultra
sonic flow meters.
Metering the flow of solid particles.
Measuring volumetric and mass flow
rate of solids.
Free hand sketches of
Installation and measurement of liquid Level measurement:
various level measuring
level using sight glass, float type, static Principles of level measurement
types
of
level
measurementssolid
system.
pressure type and air purge liquid
-Do-
measurement setup.
68
69
Calibration and measurement using DP
and capacitance type level transducer/
transmitters
Temperature measurement. Performing
practical on temperature measurement
with different sensors as in the theory
part, in the temperature controlled oil
bath/ furnace for low and high
temperature .
and liquid, volume and mass,
mechanical and electrical type.
Sight glass type, float type, static
pressure type Differential pressure
type, and air purge type liquid level
measurement systems.
Factors need to consider for open and
closed channel level measurements
level
switches,
mercury
level
switches, level detectors, magnetic
reed switches.
Electrical method- capacitance type
liquid level Measurement, radiation
type, sonic level detectors.
Solid level measurement. Using
weight to determine level, sonic,
radiation
type
solid
level
measurement. micro wave solid level
detectors
Temperature measurement:
Temperature
measurement.
Temperature, heat, specific heat,
temperature. properties of liquid,
solids and gases. Temperature scales Fahrenheit and Celsius, Rankin and
Kelvin scales primary and secondary
standards.
Bimetallic
and
filled
systems
temperature
instruments/
thermometers
Basic
symbols
of
various level sensors,
transmitters
and
indicators.
-Do-
-Do-
Free hand sketches of
various types of filled
system thermometers.
Free hand sketches of
various
temperature
sensors
Heat – unit of heat,
temperature, differec
between
heat
and
temperature,
boiling
point, melting point,
scale of temperature,
specific heat, thermal
capacity,
water
equivalent o heat
advantages & disadvantages
70
Practical on various thermocouples, Electrical temperature instrument.
and
RTDs and pyrometers.
RTD,
thermocouple,
thermistor71
principle, working types, advantages,
disadvantages, applications.
thermopiles
72
Calibration of RTD and thermocouple Optical and radiation type pyrometers.
transmitters and measuring instruments. Introduction to the thermal imagers.
Thermo-wells and calibration methods
of electrical pressure transmitters.
73 to
Revision And Test
78
Syllabus for the Trade of “INSTRUMENT MECHANIC
Duration : Six Month
Symbols of
temperature
indicators
transmitters.
various
sensors,
and
-Do-
Free hand sketches of Units of temperature
optical and radiation and unit conversion
pyrometers.
(GENERAL)” under C.T.S.
Fourth Semester
Week.
No.
79
FOURTH SEMISTER (Process Instrumentation and Control)
Trade Practical
Trade Theory
Engineering Drawing
Recorders and servicing. Overhauling,
checking, fault finding, repairing, testing of
electrical/ electronic recorders.(single point
& multipoint).
Coping and editing on digital storage
recorders
80
Dismantling, fault finding, repairing,
cleaning, reassembling and testing of
Vocational science &
calculation
Recorders:
Introduction
to Symbols of various Fundamental
of
recorders. Construction, working types of recorders.
Algebra- introduction,
principle, various parts installation
addition, subtraction,
and use of pneumatic and Block diagram of strip multiplication
and
electronic recorders. Strip chart chart recorder.
division,
algebra
and circular and XY charts.
formula, factorization,
Introduction to the Digital
equations
recorders and types
Symbol of different
-DoFinal control elements:
Pneumatic
and
Hydraulic types of valves.
control valves.
81
82
Actuators. Pneumatic principles
pneumatic actuators, diaphragm
actuator, spring and springless
actuators, direct and reserve acting
actuator,
piston
actuator,
positioner,.
Electrical actuators and their
advantages.
Study the cut sections of various types of Control valves. Control valves
control valves.
functions and components, types
of control valves, based on valve
flow characteristics – liner, equal
percentage, quick opening valves,
by shape of plug- globe valves, ,
butterfly valves, ball valves, gate
valves, diaphragm valves, split
body valves, proximity switch, IR
switch, micro switch, limit switch,
other control valves, control valve
mechanical
considerations,
selecting control valves, valve
positioner.
Controllers. Practical on PID controller Process control systems:
trainer on various process parameters.
Introduction to controllers. Basic
block diagram of control systems.
Advantages Process variable and
set point, analog controllers,
digital controllers, control ranges
and limits, control loop, measuring
PV, final control elements
Free hand sketches of
control valve- gate
valve, butterfly valve,
single seated and double
seated valves
-Do-
Simple block diagrams
of various types of
control systems like feed
back, feed forward,
ratio, cascade control
systems etc.
Mensuration-1rectangle,
square,
parallelogram, rombus,
trapezium, triangles
83
84
85
-Do-
Types of controller and their
-Do-Dooperation. Types of controller,
range limit of controllers, ON/OFF
controllers, direct and reverse
acting controllers, proportional
controllers,
automatic/manual,
split control, pneumatic control.
Adaptive, limiting and batch
control, ratio control system, feed
forward, feed back control systems
and cascade control system.
Comparison between pneumatic
and electronic control systems.
Basic
knowledge
on
communication protocol.
Study operation on cascade, ratio, feed Controller models and tuning.
-Do-Doforward control trainer.
Controller
tuning,
setting,
controller modes, proportional
mode, off-set, integral mode, reset
mode, derivative mode(rate),
single mode controller, multi mode
controller, tuning the control loop,
step-change- response method.
Basics industrial programmable controllers. PLC basics:
Basic block diagram of Mensuration
2
–
Practical on programmable logic controller Introduction to programmable PLC.
pentagon,
hexagon,
trainer.
controllers.
History
of
circle, segment of
programmable controllers, general
circle, ellipse
characteristics of programmable
controllers, some limitation of
PLCs, method of developing PLC
86
87
88
and
89
programming.
Basic simple programs on PLC – logic gates Input/output devices. Definition of
preparation,
input/output devices, I/O interface,
input modules, output modules,
input devices encoders, output
devices,
the
Op-to-isolators,
safety.
Small programs on timers and counters.
Processing and programming
functions. The processor unit, the
memory, memory organization,
ladder diagrams,
most used
programming
symbols,
other
programming symbol timers and
counters,
data
manipulation
instructions,
alternate
PLC
symbols.
Installing
&
Operating
HART HART devices:
transmitters/devices (I/O).
Digital control systems: need of
Calibration of HART devices.
smart devices, HART transmitters
futures, advantages, applications.
Working method of HART
devices, HART protocol.
HART communicators and PC
based HART device configuration.
Steps in calibration of HART
devices.
Communication
fundamentals:
modulation and demodulation,
signal to noise ratio, digital
communication basics – PWM,
Symbols
devices
-Do-
-Do-
-Do-
Mensuration 3
Volumes of solids
cube, rectangle block,
cylinders,
sphere
frustum of cone.
of
HART
Basic block diagram of
HART devices.
-Do-
90
91
and
92
PCM, FSK
Study various network lines.
Networking:
Preparation network cables and connectors. Net working: types of networks
Testing network cables.
used in digital instrument systems.
LAN, WAN , Ethernet. Point to
point and multipoint networking.
Ring, delta, star connections.
Redundant Net. TCP/IP addresses
and descriptions.
Types of Cable categories(CAT),
and their descriptions.
Various types of Cable connectors.
Advantages and disadvantages of
co-axial cable and fiber optic
cables.
Various tools used in networkingwire cutter, crimp tool, memory
blade holder, memory blade
cartridge, cable strip tool with
blade cassettle. Terminators and
extra connectors, taps, calibration
tool etc.
Study and use of DCS & SCADA complete Fundamentals of SCADA and
with communication system through DCS.
History
of
DCS
industrial visit.
development.
Basic architecture, block diagram
description
advantages
and
disadvantages, applications.
TerminologyRTU(remote
transmitting
unit,
central
Simple block/schematic
diagrams of various
network systems in
instrumentation field.
Trigonometry
–
definition,
formulas,
measurement of angles,
area of triangle, sin bar,
angle of elevation and
depression. Solution of
triangle using sine and
cosine rules
Simple block diagram of
DCS and SCADA
-Do-
93
and
94
95
monitoring station, types of
communications, field instruments
and types
Study various field bus/ profibus based Fundamentals
field
control system through industrial visit.
bus/profibus:
Introduction field bus/profibus :
futures, advantages, architecture,
basic block diagram, working.
Work station, Human Machine
interface(HMI).
Controller(with
basic types), filed bus/profibus
interfacing modules, gateway,
network manager, I/O modules,
field bus devices(I/O), remote
transmission panel(RTP), ethernet.
Electronic device description
language (EDDL) and device
description(DD).
Centralized control system power
supply and its function.
Introduction of digital and multi
drop communication protocol.
Vendors.
Need
and
advantages
of
redundancy.
Futures- library, call up, various
visualized futures, reports(alarms,
events), history, trading etc.
Basic pneumatics. Pneumatic systems, Basic pneumatics:
forces, weight and pressure.
Pneumatic
principles,
mass,
Simple block diagram of Work
power
and
field
bus/
profibus energy- work, unit of
system.
work power, unit of
power, hourse power,
hourse
power
of
engine,
mechanical
efficiency
energy,
usage
of
energy,
potential and kinetic
energy.
Drawing the sketches of
the
components
of
-Do-
Practical on pneumatic training kits .
96
Practical on pneumatic trainer.
97
Analytical Instruments. Exercises on PH
meter, conductivity meter
Through
industrial
visitOnline
measurement of pH, conductivity and
dissolved oxygen .
pressure, work and energy, pneumatic
system.
compressibility,
law
of Block
diagram
of
pneumatics,
transmission
of pneumatic systems.
pneumatic fluid power, pneumatic
leverage, air properties, air flow in
pipe lines, viscosity of air
pressure,
Bernoulli’s
law,
components of pneumatic power
system.
Pneumatic
Cylinders.
-DoDescriptions, single and double
acting cylinders, two-position
cylinders, cylinder construction,
variations in cylinder mounting,
pneumatic cylinder selection,
reading the performance charts,
cushioning devices.
Analytical instruments:
Analytical Instruments. Exposure
to basic analytical instruments.
Types of electrodes used for PH
measurements. Relation of PH &
mV. PH indicator and controllers.
-Do-
-Do-
-Do-
98
99
100104
Quality
Control
&Ecological
Considerations. Practical for assuring
quantity products avoiding environmental
pollution, preventing wastage of energy.
Industrial visit/tour
Quality Control. Methods to be
followed for assuming quality
products, conservation of energy
& preventing pollution.
Ecological
Consideration.
Methods to be followed to avoid
environmental pollution.
-Do-
Industrial training OR Project work preferably in cross sectoral trades
Revision and Test
-Do-
Tools are specified for batch 20 Nos of students.
I. Trainee’s Tool Kit (Required for all Four Semester)
S.No.
Name of instrument/tools/item
For
Instructor
1.
Screw driver set (5 bit minimum)
1 No.
2.
Combination Pliers (150 mm)
1 No.
3.
Soldering Iron with stand (25watt)
1 No.
4.
Adjustable spanner
1 No.
5.
Wire cutter
1 No.
6.
Hammer
1 No.
7.
Desoldering pumps
1 No.
8.
Twizer
1 No.
9.
Electrician knife
1 No.
10.
watchmaker screw driver set
1 No.
11.
Steel Rule 150 mm (metric and
1 No.
English Marking)
12.
File hand smooth 200 mm
1 No.
nd
13.
File Flat 2 cut 200 mm
1 No.
For
Trainees
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
20 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
21 Nos.
20 Nos.
20 Nos.
21 Nos.
21 Nos.
II. Tools and Equipment (Required for all Four Semester)
S.No.
Name of instrument/tools/item
1.
Hand drill machine (electrical)
2.
Long nose pliers
3.
Round nose pliers
4.
Standard wire gauge (SWG)
5.
IC pullers
6.
Pipe wrench
7.
Spanner set
8.
Pipe wice
9.
Pipe die set
10.
Allen key
11.
Fire extinguishers
12.
Digital Multimeter (auto ranging)
13.
Digital Multimeter (manual ranging)
14.
Analog Multimeter
15.
Temperature controlled soldering station
16.
DC regulated power supply ( 0- 30 V)
17.
Dual trace CRO
III. IT Equipments and Software (Required for all Four Semester)
S.No.
Name of instrument/tools/item
1.
Computers ( latest configuration) with tables (For operating
various control system trainers for mentioned above )
2.
Lap top (for convenient to control system )
3.
Licensed/free operating system (latest version)
4.
Latest Office (licensed(MS office)/free version like open
office oracle)
Total
quantity
1 No.
2 Nos.
2 Nos.
2 Nos.
4 Nos.
2 Nos.
2 Nos.
1 No.
1 No.
2 Nos.
3 Nos.
2 Nos.
2 Nos.
2 Nos.
2 Nos.
4 Nos.
4 Nos.
quantity
02 No.
02 Nos.
04 Nos.
1 No.
5.
6.
7.
8.
LCD multimedia projector with trolley/installation
arrangement
Broad band internet connection
Printer (Scan/copy)
Networking tool kit
01 No.
01 No.
01 No.
02 Nos.
General Installation (Required for all Four Semester)
S.No.
Name of instrument/tools/item
quantity
1.
Work benches (240 cm x 120 cm x 75 cm )
4 Nos.
2.
Instrument test bench with cup boards
4 Nos.
3.
Steel cup boards with eight lockers for trainees
2 nos.
4.
Steel cup boards/ alminrah (6 x 2 x 1feet or above) (with five
3 Nos.
shelves)
5.
Student chairs
20 Nos.
6.
Instructor chair and table
1 No. each
7.
Fire buckets
4 no.
FIRST SEMESTER
Tools And Equipment For First semester (S.No.1 to 19 Not required, if
fitter/machinist/ turner/ Tool and Die trades are available in the Institute)
S.No.
Name of instrument/tools/item
quantity
1.
* triangle file
4 Nos.
2.
*Square file
4 Nos.
3.
*Round file
4 Nos.
4.
* Chisel
1 No.
5.
*Try square hardened blade 100 mm
4 Nos.
6.
* Surface plate 400×400 mm
1 No.
7.
*Universal scribing block 250 mm
2 Nos.
8.
*Angle plate
2 Nos.
9.
*Hacksaw frame adjustable
8 Nos.
10.
*Vice bench jaw 100 mm
20 Nos.
11.
*Punch center 100×10 mm
2 nos.
12.
* Micrometer outside 0 to 25 mm
2 nos.
13.
*Vernier height gauge 300 mm
2 nos.
14.
* Combination set 300 mm
1 no.
15.
*Vernier caliper 150 mm
2 nos.
16.
*bevel protractor
2 Nos.
17.
* Dial test indicator in mm with accessories.
1 No.
18.
*Tube cutter
1 no.
19.
*Tube bender
1 no.
Electrical tools and Equipments
1.
LCR meters
2.
Standard wire gauge (SWG)
3.
Magnetic campus
4.
Buzzers and solenoid valve
5.
Simple generator and motor trainer
6.
Current transformers
7.
Variac (variable transformers/auto transformer)
2 Nos.
2 Nos.
2 Nos.
2 Nos. each
2 Nos.
2 Nos.
2 Nos.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
DC ammeter (PMMC type) various range
DC voltmeter (PMMC type) various range
AC ammeter (MI/ electro dynamometer) various range
AC voltmeter (MI/ electro dynamometer) various range
Energy meter (single phase)
Energy meter (3 phase)
Watt meters
Ampere Hour meter
Frequency meter
Power factor meter
Megger
Earth tester
Electrical trainer (consisting ohms law ,series & parallel
circuits, krichoff’s law, bridge circuits, switches, solenoid
testing, resonance circuits, capacitor and inductor series
parallel properties etc)
SECOND SEMISTER
Tools and Equipments
1.
Function generator
2.
Frequency counter
3.
Storage oscilloscope
4.
Digital panel meters (current measurement) various range
5.
Digital panel meters (voltage measurement) various range
6.
7.
Digital IC tester
Rheostat 50 ohm, 500 ohm, 1 k ohm, 10 k ohm
8.
9.
10.
11.
CRO trainer
Computer trainer
Multiplexer and demultiplexer trainer
Liner IC trainer ( consisting OP-AMP experiments,
instrumentation amplifier,555 timer practical, A/D and D/A
converter
Electronic trainers (consisting diode and Zener diode
characteristic, rectifiers, IC regulators various types of diodes
& transistors, CE amplifier, cascade amplifiers, FET
amplifiers, oscillators , multivibrators , class B and C power
amplifiers, SCR, TRIAC and DIAC characteristics etc )
Digital Trainers (consisting basic gates, universal gates,
adders, subtractors, flip flops, counters, registers, 7 segment
display, BCD display etc)
8085 micro processor trainer
instrumentation application modules For 8085 kit
12.
13.
14.
15.
THIRD SEMESTER
Displacement Measurement
2 Nos. each
2 Nos. each
2 Nos. each
2 Nos. each
4 Nos.
2 Nos.
2 Nos.
1 No.
1 No.
1 No.
2 Nos.
2 Nos.
2 Nos.
4 Nos.
1 No.
1 No.
2 Nos.
each
2 Nos.
each
2 Nos.
2 Nos.
each
1 No.
1 No.
1 No.
1 No.
2 Nos.
2 Nos.
2 Nos.
1 No.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Stain gauge/load cell trainer
LVDT trainer
Capacitive and inductive displacement trainer
Tachometer (contact type)
Tachometer (non contact type)
Speedo meter
Stroboscope
Acceleration meter
Bridge circuit trainer
Pressure Measurement
1.
Bourdon tube pressure gauges (C and spiral type ) various
range
2.
Diaphragm pressure gauges various range(6 inch dial
minimum)
3.
Capsule pressure gauges various range(6 inch dial
minimum)
4.
Pressure switches
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
2 Nos. each
2 Nos. each
2 Nos. each
2 Nos.
5.
Vaccume pressure gauge (6 inch dial minimum)
2 Nos.
6.
Absolute pressure gauge (6 inch dial minimum)
2 Nos.
7.
U tube manometer
2 Nos.
8.
Well type manometer
2 Nos.
9.
Inclined manometer
2 Nos.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
Aneroid barometer
Electronic pressure transmitter
Pneumatic pressure transmitter
DP transmitter (electronic)
DP transmitter(pneumatic)
I to P converter
P to I converter
Pressure comparator/ manifold
Dead weight tester
Electronic pressure calibrator
Pneumatic pressure calibrator
FLR (filter +Lubricator+ regulator ) Unit
Air compressor (0 – 10 Kg/cm2, 500 liters tank capacity or
above)
Vaccume pump with gauge
Very low pressure measuring gauges (any two types)
2 Nos.
2 Nos.
2 Nos.
2 Nos.
2 Nos.
2 Nos.
2 Nos.
2 Nos.
1 No.
1 No.
1 Nos.
4 Nos.
1 No.
23.
24.
Flow measurement
1.
Venturi tube
1 No.
1 No. each.
1 No.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Orifice plates
Pitot tube
Oscillation piston flow meter
Rotating van flow meter
Turbine flow meter
Magnetic flow meter
Vertex flow meter
Ultrasonic flow meter
Mass flow meter
Flow calibration setup(using venture, orifice, flow nozzle, PD
meter, Rotameter, DP transmitter )
Level measurement
1.
Sight glass level indicator
2.
Float type level indicator
3.
Air purge type level indicator/transmitter
4.
Static pressure level indicator (for closed channel and open
channel)
5.
Electronic static pressure level transmitter/indicator (for
closed channel and open channel)
6.
Capacitive type level transmitter/ indicator
7.
Resistive type level transmitter
8.
Non contact type level transmitter
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
2 Nos.
2 Nos.
1 No.
1 No. each
1 No. each
2 Nos.
1 No.
1 No.
Temperature measurement
1.
Mercury glass thermometer (consumable) various range and
sizes
2.
Alcoholic glass thermometer (consumable) various range and
sizes
3.
Bimetallic thermometer
4.
Mercury in steel thermometer
5.
Thermocouples (minimum 4 types)
6.
RTD ( minimum 2 types)
7.
RTD temperature transmitter/ indicator
8.
Thermocouple temperature transmitter/ indicator
9.
Thermocouple welder
10.
Thermistor temperature indicator / transmitter
11.
Pyrometer
12.
Thermal imager
13.
Temperature calibrator
14.
Electric Furnace (600 C or above)
2 Nos.
1 No.
1 No. each
1 No. each
2 Nos.
2 Nos.
1 No.
1 No.
1 No.
1 No.
1 No.
2 Nos.
FOURTH SEMESTER
Recorders
1.
Single point recorder (electrical and pneumatic)
2.
Multipoint recorder (electrical)
3.
Digital recorder setup
1 No. each
1 No.
1 No.
2 Nos.
each
2 Nos.
Final Control Elements
1.
Different type of control valves such as gate valves, globe
valves,
Ball valves, diaphragm valves, butterfly valves etc. (with at
least one with eclectically actuated, pneumatic actuated and
hydraulic actuated)
2.
Valve positioner, booster relays etc.
3.
Cut section models of various type of control valve
4.
Liner, equal percentage, ratio type control valve
5.
HART/ FIELD BUS/PROFIBUS final control element
6.
Proximity sensor trainer (inductive, capacitive, resistive etc)
Control systems
1.
Electronic Pressure control trainer (complete unit consisting
PID controller, HART transmitter, final control element and
process, computer inter face and software)
2.
Pneumatic pressure control trainer (complete unit consisting
PID controller, transmitter, final control element and process)
3.
Flow and level control trainer (complete unit consisting PID
controller, HART Transmitters, final control element and
process, feed forward, feedback, Ratio and cascade control
loop arrangement with computer inter face and software)
4.
Temperature control trainer (complete unit consisting PID
controller, HART transmitter, final control element and
process, computer inter face and software)
5.
PLC (programmable logic controller ) with SCADA
development software for process control
6.
Universal process calibrator and communicator
7.
HART device communicator and calibrator
Analytical and Pneumatic Instruments
8.
Pneumatic trainer
9.
pH meter
10.
Conductivity meter
11.
Hygrometer
1 no. each.
1 no. each.
1 no. each.
1 no. each.
1 no. each
1 no. each
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.
1 No.