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INSTRUMENT MECHANIC(Engineering Trade)(Revised in 2019)Version: 1.2CRAFTSMEN TRAINING SCHEME (CTS)NSQF LEVEL- 5Developed ByMinistry of Skill Development and EntrepreneurshipDirectorate General of TrainingCENTRAL STAFF TRAINING AND RESEARCH INSTITUTEEN-81, Sector-V, Salt Lake City,Kolkata – 700

CONTENTSS No.TopicsPage No.1.Course Information12.Training System33.Job Role74.General Information95.Learning Outcome126.Assessment Criteria157.Trade Syllabus34Annexure I(List of Trade Tools & Equipment)93Annexure II (List of Trade experts)117

Instrument Mechanic1. COURSE INFORMATIONDuring the two-year duration of Instrument Mechanic trade, a candidate is trained onprofessional skill, professional knowledge, Engineering Drawing, Workshop Calculation &Science and Employability skill related to job role. In addition to this a candidate is entrusted toundertake project work and extracurricular activities to build up confidence.The broadcomponents covered during the course are as below: FIRST YEAR: In this year the trainee learns about safety and environment, use of fireextinguishers, artificial respiratory resuscitation to begin with. He gets the idea of trade tools &its standardization, Familiarize with basics of electricity, construction of PMMC & MIinstruments. Overhauling and testing & calibration of ammeters, voltmeters, wattmeter andampere-hour meter of various types, meter sensitivity, accuracy, maximum power, capabilityetc. Test the cable and measure the electrical parameter, experiments on transformer,measuring current and voltage in primary and secondary windings filing practice, marking &measuring with the help of Vernier Caliper, Vernier Height Gauge. Skilling practice on differenttypes & combination of cells for operation and maintenance of batteries being done. Identifyand test passive and active electronic components. Construct and test unregulated andregulated power supplies. Practice soldering and de-soldering of various types of electrical andelectronic components on through hole PCBs and different type of switches, application likebuzzers, solenoid valves. The candidate will be able to construct and test different types ofdiode, V-I characteristics, rectifiers, amplifier, op-amps, oscillator and wave shaping circuits.Testing of power electronic components. Construct and test power control circuits. Identify andtest opto electronic devices. Able to achieve the skill on SMD Soldering and De-soldering ofdiscrete SMD components. Verifying the truth tables of various digital ICs by referring Databook. Verification of truth tables of various logic gates, RS and JK flip flops, Counters, BCD todecimal decoder, 7 segment display circuits, D/A and A/D circuit, RS485 to RS232 converter.Practice circuit simulation software to simulate and test various circuits. Assemble a computersystem, install OS, Practice with MS office. Use the internet, browse, create mail IDs, downloaddesired data from internet using search engines. Familiarization with microprocessor trainer kit,basic program on microprocessor. Measurement voltage, frequency using CRO, operatingstorage oscilloscope.1

Instrument MechanicSECOND YEAR: In this year the trainee will be able to study various types of instrumentsconstructions and identify various parts and section. Measuring speed and velocity usingvarious tachometers. Operating stroboscope. Practice on various pressure sensors and pressuregauge. Testing and calibration of various type of pressure measuring instruments, dead weighttester and comparator. Testing and installation of pressure switches. Perform practical onpressure simulator or experimental setup. Operating and calibrating pressure transmitters.Checking various types of flow restrictors and use, D.P. cell/transmitter. Fitting of tapered glasstube checking and testing V- notches fitting, repairing various types of positive displacementflow meters, installation maintenance of flow instruments. Calibrating and installing turbineflow meter, vertex flow meter. Measurement of level performing on level measurement i.e.experimental setup for level measurement process simulator, calibration of level transmitters,level instrument maintenance, repairing and control. Temperature measurement with differentsensors and temperature-controlled oil bath/furnace for low and high temperature,temperature instrument maintenance and calibration. Primary calibration standards, primarystandard instruments, secondary standard instruments, instrument inspection, calibration andtest method. The trainee will work with experimental setup/temperature simulator fortemperature measurement controls. Thermocouple and RTD experiment on optical pyrometerand radiation pyrometer. Measurement of humidity. Recorders and servicing of pneumatic,electrical/ electronic recorders, study of paperless LCD/LED recorder. Study of controlvalves/final control elements and its various components. Piping tubing and fitting. Study thecut section of various type of control valves, operation on cascade, ratio, feed forward controltrainer. Experiment on PID controller trainer on various process parameters, programmablelogic controller trainer, programmes on timers and counters. Installing & operating HARTtransmitters/devises (I/O). Calibration of HART devices. Work on various network lines, uses ofDCS & SCADA complete with communication system on process trainer. Working on Hydraulicsand Pneumatics trainer, air filter regulator. Practice on PH meter, conductivity meter, onlinemeasurement of PH, conductivity and dissolved Oxygen.2

Instrument Mechanic2. TRAINING SYSTEM2.1 GENERALThe Directorate General of Training (DGT) under Ministry of Skill Development &Entrepreneurship offers a range of vocational training courses catering to the need of differentsectors of Labour market. The vocational training programmes are running under aegis ofDirectorate General of Training (DGT). Craftsman Training Scheme (CTS) with variants andApprenticeship Training Scheme (ATS) are two pioneer programmes under DGT forstrengthening vocational training.The Instrument Mechanic trade under CTS is one of the popular coursesdeliverednationwide through a network of ITIs. The course is of two years duration. It mainly consists ofDomain area and Core area. The Domain area (Trade Theory & Practical) imparts professionalskills and knowledge, while Core area (Workshop Calculation science, Engineering Drawing andEmployability Skills) imparts requisite core skill & knowledge and life skills. After passing out ofthe training programme, the trainee is awarded National Trade Certificate (NTC) by DGT whichis recognized worldwide.Traineebroadly needs to demonstratethat they are able to:·····Read & interpret technical parameters/documentation, plan and organize workprocesses, identify necessary materials and tools;Perform tasks with due consideration to safety rules, accident prevention regulationsand environmental protection stipulations;Apply professional knowledge, core skills & employability skills while performing the job,and repair & maintenance work.Check the job with circuit diagrams/components as per drawing for functioning,diagnose and rectify faults in the electronic components/module.Document the technical parameters in tabulation sheet related to the task undertaken.2.2 PROGRESSION PATHWAYS:···Can join industry as Technician and will progress further as Senior Technician, Supervisorand can rise to the level of Manager.Can become Entrepreneur in the related field.Can appear in 10 2 examination through National Institute of Open Schooling (NIOS) foracquiring higher secondary certificate and can go further for General/ Technicaleducation.3

Instrument Mechanic····Can take admission in the diploma course in notified branches of Engineering by lateralentry.Can join Apprenticeship programs in different types of industries leading to a NationalApprenticeship certificate (NAC).Can join Crafts Instructor Training Scheme (CITS) in the trade for becoming an instructorin ITIs.Can join Advanced Diploma (Vocational) courses under DGT as applicable.2.3 COURSE STRUCTURE:Table below depicts the distribution of training hours across various course elementsduring a period of two years: S No.Notional Training HoursCourse Element1st Year2nd Year1Professional Skill (Trade Practical)100010002Professional Knowledge (Trade Theory)2803603Workshop Calculation & Science80804Engineering Drawing80805Employability Skills1608016001600Total2.4 ASSESSMENT & CERTIFICATIONThe trainee will be tested for his skill, knowledge and attitude during the period of coursethrough formative assessment and at the end of the training programme through summativeassessment as notified by the DGTfrom time to time.a) The Continuous Assessment (Internal)during the period of training will be done by FormativeAssessment Method by testing for assessment criteria listed against learning outcomes. Thetraining institute has to maintain individual trainee portfolio as detailed in assessmentguideline. The marks of internal assessment will be as per the formative assessment templateprovided on The final assessment will be in the form of summative assessment. The All India Trade Testfor awarding NTC will be conducted by Controller of examinations, DGT as per the guidelines.4

Instrument MechanicThe pattern and marking structure are being notified by DGTfrom time to time. The learningoutcome and assessment criteria will be basis for setting question papers for finalassessment. The examiner during final examination will also check individual trainee’s profileas detailed in assessment guideline before giving marks for practical examination.2.4.1 PASS REGULATIONFor the purposes of determining the overall result, weightage of 100% is applied for six monthsand one-year duration courses and 50% weightage is applied to each examination for two yearscourses. The minimum pass percent for Trade Practical and Formative assessment is 60% & forall other subjects is 33%. There will be no Grace marks.2.4.2 ASSESSMENT GUIDELINEAppropriate arrangements should be made to ensure that there will be no artificial barriers toassessment. The nature of special needs should be taken into account while undertakingassessment. Due consideration should be given while assessing for teamwork,avoidance/reduction of scrap/wastage and disposal of scrap/wastage as per procedure,behavioral attitude, sensitivity to environment and regularity in training. The sensitivity towardsOSHE (Occupational Safety & Health Environment) and self-learning attitude are to beconsidered while assessing competencies.Assessment will be evidence based, comprising the following:· Job carried out in labs/workshop· Record book/ daily diary· Answer sheet of assessment· Viva-voce· Progress chart· Attendance and punctuality· Assignment· Project workEvidences and records of internal (Formative) assessments are to be preserved untilforthcoming examination for audit and verification by examination body. The following markingpattern to be adopted while assessing:Performance LevelEvidence(a) Weightage in the range of 60%-75% to be allotted during assessment· Demonstration of good skill in the use ofFor performance in this grade, the candidate5

Instrument Mechanicshould produce work which demonstratesattainment of an acceptable standard ofcraftsmanship with occasional guidance, anddue regard for safety procedures andpracticeshand tools, machine tools and workshopequipment.· 60-70%accuracyachievedwhileundertaking different work with thosedemanded by the component/job.· A fairly good level of neatness andconsistency in the finish.· Occasional support in completing theproject/job.(b) Weightage in the range of 75%-90% to be allotted during assessment· Good skill levels in the use of hand tools,machine tools and workshop equipment.· 70-80%accuracyachievedwhileundertaking different work with thosedemanded by the component/job.· A good level of neatness and consistencyin the finish.· Little support in completing theproject/job.(c) Weightage in the range of more than 90% to be allotted during assessmentFor this grade, a candidate should producework which demonstrates attainment of areasonable standard of craftsmanship, withlittle guidance, and regard for safetyprocedures and practices· High skill levels in the use of hand tools,machine tools and workshop equipment.· Above 80% accuracyachieved whileundertaking different work with thosedemanded by the component/job.· A high level of neatness and consistencyin the finish.· Minimal or no support in completing theproject.For performance in this grade, the candidate,with minimal or no support in organizationand execution and with due regard for safetyprocedures and practices, has produced workwhich demonstrates attainment of a highstandard of craftsmanship.6

Instrument Mechanic3. JOB ROLEMechanic Precision Instrument,General; tests, repairs, overhauls and assembles variousprecision instruments and their parts for efficient performance. Examinesinstrument fordefects.Dismantles components and cleans them in appropriate fluid such as petrol, kerosene etc. tofind out extent of damage or wear and tear to parts. Removes minor defects of parts bygrinding, filing, drilling, etc. and replaces worn out and damaged parts. Adjusts position ofvarious parts using screwdriver, spanner etc. and assembles instrument to form complete unit.Makes simple electrical connections, solders contact points and performs other tasks asnecessary. Tests performance either by visual observation or by conducting simple electricaland mechanical tests and ensures that repaired or assembled instrument conforms toprescribed efficiency. May make new components and assemble new instruments. Mayspecialize in any particular type of instrument like mechanical, hydraulic, pneumatic, electrical,optical, orthopedic etc.Technician Instrumentation; dismantles removes and replaces a range of instruments andfaulty peripheral components down to unit and component level, setting up test equipment,troubleshooting components of instruments, calibrating them and also preparing servicereports and accurately documenting parts replacement and repair.Mechanic Precision Instrument, Mechanical; makes, alters and adjusts mechanical instrumentsor mechanical parts of electrical and optical instruments by accurate milling, filing, grinding,lapping and other processes. Studies drawings or samples and examines precision instrumentlike balance, meters, pressure gauges etc. for defects. Dismantles instrument, cleans metalcomponents in petrol, kerosene oil or otherwise and checks them to find out extent of damageand further serviceability. Makes new parts on lathe milling or other machines, ifnecessary.Sizes and fits metal parts by filing, scraping, grinding lapping etc. as necessary andensures their desired accuracy by checking with precision measuring instruments shadow graphand other highly perfect devices. Assembles parts to form complete unit. Gets electricalcomponents repaired by Electrician. Fits electrical and optical parts to instrument and adjuststhem as required. Texts repaired or assembled instrument for clarity or vision sensitivity,correct meter and scale readings etc. as required and ensures stipulated performance withinprescribed limits. Makes necessary adjustments and seals meters to avoid manipulations. Mayspecialize in particular type of instruments like balance, pressure gauges, meters, theodolitesetc. May make new instruments from blueprints.Functional Tester; is responsible forchecking functions of manufacturedindustrial equipmentsuch as UPS,inverter, energy meter, PLC, oscilloscope,control panel. The individual at worktestsspecified functions of every product being assembled on the production line.7

Instrument MechanicReference NCO-2015:a)b)c)d)7311.0100 – Mechanic Precision Instrument,General7311.0101 – Technician Instrumentation;7311.0400 – Mechanic Precision Instrument, Mechanical7543.0801 – Functional Tester8

Instrument Mechanic4. GENERAL INFORMATIONName of the TradeINSTRUMENT MECHANICTrade CodeDGT/1024NCO - 20157311.0100, 7311.0101, 7311.0400, 7543.0801NSQF LevelDuration of CraftsmenTrainingEntry QualificationLevel-5Two Years (3200 Hours)Passed 10th class examination with Science and Mathematicsor its equivalent.Minimum Age14 years as on first day of academic session.Eligibility for PwDUnit Strength (No. OfStudents)LD, LC, DW, AA, LV, DEAF, AUTISMSpace Norms80 Sq. mtrs.Power Norms8.07 KW24 (There is no separate provision of supernumerary seats)Instructors Qualification for:(i) Instrument MechanicTradeB.Voc/Degree in Instrumentation/ Instrumentation andControl Engineering from AICTE/UGC recognized Engg.College/ university with one-year experience in the relevantfield.OR03 years Diploma in Instrumentation/Instrumentation andControl Engineering from AICTE/ recognized board of technicaleducation or relevant Advanced Diploma (Vocational) fromDGT with two years’ experience in the relevant fieldORNTC/NAC passed in the Trade of "Instrument Mechanic" With3 years’ experience in the relevant field.Essential Qualification:Relevant National Craft Instructor Certificate (NCIC) in any ofthe variants under DGT.Note: - Out of two Instructors required for the unit of 2(1 1),9

Instrument Mechanic(ii) Workshop Calculation &Scienceone must have Degree/Diploma and other must haveNTC/NAC qualifications. However, both of them must possessNCIC in any of its variantsB.Voc/Degree in Engineering from AICTE/UGC recognizedEngineering College/ university with one-year experience inthe relevant field.OR03 years Diploma in Engineering from AICTE/ recognized boardof technical education or relevant Advanced Diploma(Vocational) from DGT with two years’ experience in therelevant field.ORNTC/ NAC in any one of the engineering trades with threeyears’ experience.Essential Qualification:National Craft Instructor Certificate (NCIC) in relevant tradeOR(iii) Engineering DrawingNCIC in RoDA or any of its variants under DGTB.Voc/Degree in Engineering from AICTE/UGC recognizedEngineering College/ university with one-year experience inthe relevant field.OR03 years Diploma in Engineering from AICTE/ recognized boardof technical education or relevant Advanced Diploma(Vocational) from DGT with two years’ experience in therelevant field.ORNTC/ NAC in any one of the Electrical groups (Gr-II) tradescategorized under Engg. Drawing’/ D’man Mechanical / D’manCivil’ with three years’ experience.Essential Qualification:National Craft Instructor Certificate (NCIC) in relevant tradeORNCIC in RoDA / D’man (Mech /civil) or any of its variants underDGT.10

Instrument Mechanic(iv) Employability Skill(v) Minimum Age forInstructorList of Tools and EquipmentMBA/ BBA / Any Graduate/ Diploma in any discipline with Twoyears’ experience with short term ToT Course in EmployabilitySkills from DGT institutes.(Must have studied English/ Communication Skills and BasicComputer at 12th / Diploma level and above)ORExisting Social Studies Instructors in ITIs with short term ToTCourse in Employability Skills from DGT institutes.21 YearsAs per Annexure – IDistribution of training on hourly basis: (Indicative only)YearTotal Hrs./weekTradePracticalTradeTheoryWorkshopCal. & Sc.Engg.DrawingEmployabilitySkills1st40 Hours25 Hours7 Hours2 Hours2 Hours4 Hours2nd40 Hours25 Hours9 Hours2 Hours2 Hours2 Hours11

Instrument Mechanic5. LEARNING OUTCOMELearning outcomes are a reflection of total competencies of a trainee and assessmentwill be carried out as per the assessment criteria.5.1 LEARNING OUTCOMES (TRADE SPECIFIC)FIRST YEAR: and organize the work to make j

COMPETENCY BASED CURRICULUM INSTRUMENT MECHANIC (Duration: Two Years) CRAFTSMEN TRAINING SCHEME (CTS) NSQF LEVEL- 5 SECTOR –ELECTRONICS AND HARDWARE . INSTRUMENT MECHANIC (Engineering Trade) (Revised in 2019) Version: 1.2 CRAFTSMEN TRAINING SCHEME (CTS) . The Instrument Mechanic trade under CTS is one of the popular coursesdelivered

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