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Elements and Performance Criteria

1. Prepare to work on temperature measurement components and system
   • Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are obtained and applied
2. Hazards are identified, risks assessed and control measures implemented
3. Nature of the temperature measurement problem is identified from documentation or appropriate person/s
4. Appropriate person/s is consulted to ensure work is coordinated effectively with others affected by the work
5. Materials required for work are determined in accordance with workplace procedures
6. Tools, equipment and testing devices needed to carry out the work are obtained and checked for correct operation and safety in accordance with workplace procedures
7. Solve temperature measurement problem
   • WHS/OHS risk control work measures and procedures are followed
8. Need to inspect, test or measure live electrical components is determined in accordance with WHS/OHS regulatory requirements and workplace procedures
9. Temperature measurement apparatus is checked and isolated in accordance with workplace procedures
10. Relevant methods are used to solve measurement problem from tests and calculated values as they apply to flow measurement components and systems
11. Unplanned situations are responded to in accordance with workplace procedures and approval of an authorised person/s
12. Problem is solved using sustainable energy principles and without damaging apparatus, the surrounding environment or services in accordance with workplace procedures
13. Complete work and document work activities
    • WHS/OHS work completion risk control measures and workplace procedures are followed
14. Worksite is cleaned and made safe in accordance with workplace procedures
15. Justification for solutions to resolve flow measurement problems is documented
16. Work completion is documented and appropriate person/s notified in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
temperature measurement apparatus and systems as they apply to installation, fault finding, maintenance or development work functions must include at least three of the following:	determining the operating parameters of a temperature measuring system setting up and calibrating a temperature measuring system altering an existing temperature measuring system to comply with specified operating parameters developing a temperature measuring system to comply with a specified function and operating parameters

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: identifying risk control measures applying safe working practices applying sustainable energy principles and practices completing work and documenting work activities coordinating work with others dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment identifying sources of materials obtaining tools, equipment and testing devices preparing to work on temperature measurement components and systems solving problems in temperature measurement components and systems solving temperature measurement problems.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

introduction to temperature measurement, including: temperature measurement terms international temperature scale temperature scales conversion of temperature readings temperature measuring elements temperature sensor selection factors errors in temperature measurement methods used to reduce errors. types and applications of temperature transducers transducers input/outputs - measurement and evaluation transducer connections filled system thermometers, including: applications of filled system thermometers calibration of filled systems filled systems operating principles liquid in glass thermometers construction other temperature measuring techniques, including: thermistor characteristics and circuit operation thermistor temperature measuring circuits and operation temperature measurement characteristics of solid-state devices and circuits temperature indicators: characteristics and applications liquid crystals thermometers: bimetallic and digital thermistor problems in temperature measurement components and systems radiation thermometers, including: operating principles, terms and factors affecting its use construction, signal conditioning, and calibration of optical pyrometers and radiation relevant manufacturer specifications relevant safe work method statements (SWMS)/job safety assessments or risk mitigation processes, including risk control measures and safe working practices relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures resistance temperature detectors (RTDs) and RTD measuring circuits, including: calculating of unbalanced Wheatstone bridge circuits voltage outputs determining RTD standard resistance values or temperature non-linear voltage output compensation methods RTD lead-resistance compensation methods and immersion errors selecting RTD configurations and terms sustainable energy principles and practices temperature measurement principles, including: terms and international temperature scales, temperature conversions, measuring elements, sensor selection factors, errors in temperature measurement and methods used to reduce them types and applications of temperature transducers, connections, input/outputs (I/O), and measurement and evaluation thermocouple measuring circuits, including: advantages and disadvantages and the characteristics of thermocouples and connection wires calibrating and determining thermocouple measuring instruments, test equipment and junction temperature configurations electromagnetic field distribution in thermocouple circuits handling and selection of thermocouples, including installation errors identification of thermocouple connection wires industrial thermocouple assembly and fabrication methods thermo-electric effects, principles and laws thermowell properties relevant industry standards, regulations and codes.

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