This unit involves the skills and knowledge required to solve problems in temperature measurement components and systems as they apply to various processes and control work functions.

It includes working safely, setting up and calibrating temperature measuring components and systems, applying problem-solving techniques, using a range of measuring devices, and providing solutions derived from measurements and calculations to predictable problems in temperature measurement components and systems.

No licensing, legislative or certification requirements apply to this unit at the time of publication.

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Prepare to work on temperature measurement components and system

1.1

Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are obtained and applied

1.2

Hazards are identified, risks assessed and control measures implemented

1.3

Nature of the temperature measurement problem is identified from documentation or appropriate person/s

1.4

Appropriate person/s is consulted to ensure work is coordinated effectively with others affected by the work

1.5

Materials required for work are determined in accordance with workplace procedures

1.6

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

2

Solve temperature measurement problem

2.1

WHS/OHS risk control work measures and procedures are followed

2.2

Need to inspect, test or measure live electrical components is determined in accordance with WHS/OHS regulatory requirements and workplace procedures

2.3

Temperature measurement apparatus is checked and isolated in accordance with workplace procedures

2.4

Relevant methods are used to solve measurement problem from tests and calculated values as they apply to flow measurement components and systems

2.5

Unplanned situations are responded to in accordance with workplace procedures and approval of an authorised person/s

2.6

Problem is solved using sustainable energy principles and without damaging apparatus, the surrounding environment or services in accordance with workplace procedures

3

Complete work and document work activities

3.1

WHS/OHS work completion risk control measures and workplace procedures are followed

3.2

Worksite is cleaned and made safe in accordance with workplace procedures

3.3

Justification for solutions to resolve flow measurement problems is documented

3.4

Work completion is documented and appropriate person/s notified in accordance with workplace procedures

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.

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.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or other simulations

relevant and appropriate materials, tools, equipment and personal protective equipment (PPE) currently used in industry

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals.

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

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

Electrotechnology

Instrumentation & Control