View Unit : Checking and Calibrating Electrical and Electronic Test Equipment

Unit

Unit Reference Number

L/600/5618

Qualification Framework

QCF

Title

Checking and Calibrating Electrical and Electronic Test Equipment

Unit Level

Level 3

Unit Sub Level

None

Guided Learning Hours

287

Unit Credit Value

139

Date of Withdrawal

SSAs

4.1 Engineering

Unit Grading Structure

Pass

Assessment Guidance

This unit must be assessed in a work environment and must be assessed in accordance with the ‘Common Requirements for National Vocational Qualifications (NVQ) in the QCF’ which can be downloaded from Semta’s website:

http://www.semta.org.uk/training_providers__awarding/national_occupational_standard/qca_assessment_requirements.aspx

Additional assessment requirements have been published by Semta. These additional assessment requirements are set down in Semta’s Engineering Technical Support Level 3 unit assessment strategy which can be downloaded from Semta’s website: http://www.semta.org.uk/training_providers__awarding/national_occupational_standard/qca_assessment_requirements.aspx

View Unit's Qualifications

Learning Outcomes and Assessment Criteria

Learning Outcome - The learner will:		Assessment Criterion - The learner can:
1	1a. Check and calibrate electrical and electronic test equipment	1.1	Work safely at all times, complying with health and safety and other relevant regulations and guidelines
		1.2	Prepare for the calibration activities, by carrying out all of the following: • ensure that the work area is in a safe and tidy condition • ensure that environmental conditions are suitable for the calibration checks being made (such as temperature, cleanliness, humidity) • obtain and use the correct quality control documentation (such as calibration records, equipment specifications) • obtain and check the general condition of the instrumentation to be calibrated • obtain appropriate calibration/reference equipment for the job in hand • leave the work area in a safe and tidy condition on completion of the activities
		1.3	Obtain and use the correct equipment to carry out the calibration activities
		1.4	Use three of the following types of equipment during the calibration activities: • reference/workshop potentiometers • measuring bridges • master/reference stabilised power supplies • master/reference meters • master/reference signal generators • master/reference oscilloscopes • spectrum analysers • network analysers • logic analysers • other specific calibration equipment
		1.5	Identify and confirm the calibration checks to be made and acceptance criteria to be used
		1.6	Correctly set up, check and calibrate the equipment, using approved techniques and procedures
		1.7	Carry out the calibration of electrical/electronic test instruments in both of the following types of measurement: • analogue • digital
2	1b. Check and calibrate electrical and electronic test equipment (continued)	2.1	Carry out the calibration of electrical/electronic test equipment, to include eight of the following types of instruments: • multimeters • ammeter • voltmeter • watt meters • ohmmeters • oscilloscope • insulation tester • loop impedance tester • earth bond testers • current probes • chart recorders • frequency meters and counters • flash testers • resistance boxes • residual current device (RCD) tester • signal generators • portable appliance (PAT) testers • logic probes • current injection devices • phase testers • amplifiers • spectrum analysers • network analysers • logic analysers • other specific test equipment
		2.2	Test and calibrate electrical/electronic test instrumentation, to include carrying out all of the following: • obtaining calibration parameters from data records • connecting up power supplies, test and calibration equipment • following specified or appropriate calibration procedures • ensure that any special operating conditions are taken into account • calibrating to manufacturer’s procedures and specifications • applying appropriate coding to calibrated equipment • recording calibration results accurately and legibly, in the appropriate format • identifying and recording out-of-specification instruments • taking appropriate action in respect of instruments that fail to meet calibration specifications • diagnosing faults during the calibration process (where appropriate)
		2.3	Record the results of the calibration checks in the appropriate format
		2.4	Complete the calibration documentation, to include one from the following, and pass to the appropriate people: • calibration report • ‘equipment withdrawal from service’ report • job card • customer specific documentation
		2.5	Where appropriate, apply suitable identification to the equipment, stating current date(s) of calibration
		2.6	Deal promptly and effectively with problems within their control and report those that cannot be solved
3	2a. Know how to check and calibrate electrical and electronic test equipment	3.1	Describe the specific safety precautions to be taken when checking and calibrating electrical and electronic test instrumentation (such as specific legislation or regulations governing the activities or work area, safe working practices and procedures to be adopted, general workshop safety practice)
		3.2	Describe the health and safety requirements of the work area in which they are carrying out the calibration activities, and the responsibility these requirements place on them
		3.3	Describe the COSHH regulations with regard to the substances used in the calibration process
		3.4	Describe the hazards associated with calibrating electrical and electronic test instrumentation, and how they can be minimised
		3.5	Describe the appropriate personal protective equipment and clothing to be worn during the calibration activities
		3.6	Explain how and where to obtain the required calibration specifications, and how to check that they are current and complete
		3.7	Describe the general principles of quality assurance systems and procedures
		3.8	Describe the basic operating principles of the test instruments that are being calibrated
		3.9	Describe the preparations to be undertaken before the equipment is checked and calibrated (such as cleaned and free from contaminants, visually inspected for damage or missing parts)
4	2b. Know how to check and calibrate electrical and electronic test equipment (continued)	4.1	Describe the need to take note of any special operating conditions
		4.2	Describe the effects that the environment may have on the calibration activities (such as where precision measurements are concerned)
		4.3	Describe the use of temperature-controlled standards rooms for calibration activities
		4.4	Describe the application and uses of the tools and equipment to calibrate electrical and electronic test instruments (such as stabilised power supplies, reference signal generators, measuring bridges and reference potentiometers, etc)
		4.5	Describe the typical defects and variations that can be found on the instruments, and how to identify them
		4.6	Describe the need to carry out the calibration checks, and to record the results using the appropriate documentation
		4.7	Describe the procedure to be followed when instruments do not meet calibration requirements
		4.8	Describe the importance of completing calibration documentation, what needs to be recorded and where records are kept
		4.9	Describe the extent of their own responsibility and to whom they should report if they have any problems that they cannot resolve

Equivalent Units

There are no equivalences to display.