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Elements and Performance Criteria

1. Check instrumentation system components
   • System components are identified correctly.
   • The characteristics and operational function of each system component are understood.
   • The operational function of each component is inspected and tested in accordance with standard operating procedures.
   • Operation of each component is assessed against specifications.
2. Identify, repair/replace faulty instrumentation system components
   • Faulty system components are localised/isolated and the malfunction is confirmed by inspection and testing using instrumentation principles, procedures and safety requirements.
   • Faulty system components are dismantled and repaired according to manufacturers'/site specifications and in accordance with standard operating procedures.
   • Replacement parts are selected from manufacturer catalogues and listings to required specifications.
   • System components are reassembled and tested for correct operation and assessment against specifications and in accordance with standard operating procedures.
   • Correct operation of the instrumentation system is confirmed according to standard operating procedures.
   • Appropriate follow-up procedures are adopted according to standard operating procedures.
   • Where appropriate, service reports are completed according to standard operating procedures.

Required Skills

Required skills

Look for evidence that confirms skills in obtaining relevant data with respect to the operation of the instrumentation systemsequipment locating inspecting and testing a range of instrumentation system components isolating instrumentation systemequipment obtaining and interpreting all relevant instrumentation circuits drawings instructions manuals and data sheets checking the individual components within the instrumentation system for correct operation dismantlingrepairingreassembling faulty components selecting correct replacement parts from the manufacturersupplier catalogues checking repairedreplaced instrumentation system components for correct operation completing service reports obtaining error code interpretation documents recordingdocumenting test results undertaking zero span and range checks on instrumentation systemsequipment calibrating instrumentation systemequipment

Required knowledge

Look for evidence that confirms knowledge of instrumentation principles such as controlling density level flow temperature composition of a range of materials effects of resistance capacitance inductance and impedance RLC upon electrical circuit interpretation requirements of schematic wiring and block diagrams and circuits basic principles of hydraulicpneumaticelectrical flow purpose and operational function of each system component procedures and equipment for inspecting and testing instrumentation system components instrumentation system component specifications deviations from specifications procedures for repairing faulty instrumentation system components dismantling reassembly and testing techniques correct operation of the instrumentation system procedures for recording and completing service reports safe work practices and procedures relevant hazards and control measures

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to maintain instrumentation system components Competency in this unit cannot be claimed until all prerequisites have been satisfied
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts
Context of and specific resources for assessment	This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with maintaining instrumentation system components or other units requiring the exercise of the skills and knowledge covered by this unit
Method of assessment	Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Components	Include sensors, transmitters, converters, indicators, analysers, controllers, transducers, power supplies, removable circuit boards and sensor units associated with determining/controlling density, level, flow, temperature, composition etc. of a range of materials

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