Evidence of competence in this unit must satisfy all of the requirements of the elements and performance criteria, and include demonstration of:
testing and marking at least three (3) instruments from one (1) or more of the following classes of liquid measuring instruments using volume measures:
fuel dispensers other than liquid petroleum gas (LPG) dispensers
milk flowmeters
flowmeters used for non petroleum products
accessing and correctly interpreting documentation required for verification of liquid measuring instruments
planning, scheduling, preparing for and safely conducting a verification to optimise use of resources and minimise disruption to the public and trader
ensuring test equipment and reference standards are fit for purpose in accordance with applicable legislation and organisational procedures
checking compliance and evaluating the performance of liquid measuring instruments using volume measures using appropriate Certificates of Approval, National Measurement Institute (NMI) policy and National Instrument Test Procedures, and adjusting for any impact of the operating environment and operational factors
reliably determining if liquid measuring instruments are suitable for trade use in accordance with legislative requirements
displaying the verification result on the instrument and completing all verification documentation in accordance with legislative requirements and organisational procedures
identifying and communicating any inadequacies in servicing licensee's organisational procedures and practices that may contribute to non-compliance with legislative requirements
maintaining the accuracy, completeness and currency of statutory records required of servicing licensees such as authorisation, training and relevant licences
identifying and communicating any inadequacies in trader's use of liquid measuring instruments which may contribute to non-compliance with national measurement legislation
demonstrating professionalism and respecting the rights of the trader at all times
using communication and negotiation skills to:
explain the verification purpose, procedures and outcomes to traders, verifiers and managers
inform traders of non-compliances and consequences of failing to rectify them
access external equipment and resources to complete the verification
using numeric skills to perform calculations involving:
fractions, decimals, ratios, proportions and percentages
scientific notation, correct units and the correct number of significant figures, calculation of uncertainties
evaluation of formulae containing powers, exponents and logarithms functions
preparation and interpretation of linear graphs
maintaining the security and confidentiality of data in accordance with organisational and regulatory requirements
reporting results in the required formats and expected timeframe
working safely.
Must provide evidence that demonstrates knowledge of:
general science principles and concepts, including:
physical states (solid, liquid and gas), weight, mass, gravity and density
pressure, pressure differential, backpressure and head pressure, fluid flow and viscosity
temperature effects and coefficients of expansion, flashpoint, boiling point and ice point
metrological terms and terminology specific to liquid measuring instruments, including maximum permissible errors, maximum permissible difference and maximum permissible variation, traceability, repeatability, uncertainty, error of measurement and error of indication, meter creep, hose dilation, temperature correction, linearization and gas elimination
basic details of the design, application and function of components used in one class of liquid measuring instruments
servicing licensee requirements, including:
quality management system
licence conditions
maintenance of statutory records
national measurement legislation applicable to liquid measuring instruments
safe work method statements (SWMS) for trading environments relevant to job role
NMI policy, National Instrument Test Procedures and operating procedures for equipment, and reference standards used in job role, including:
test conditions and possible environmental impacts on performance of the instrument
key preparation/measurement steps in test method
calculation steps to give results in appropriate units and precision
maximum permissible errors for liquid measuring instruments under test
safety principles and procedures relevant to liquid measuring instruments
organisational policy and procedures for verifying liquid measuring instruments, including completion of test results, verification documents and statutory records
organisational safety procedures and requirements of applicable Commonwealth, state and territory work/occupational health and safety (WHS/OHS) legislation
basic first aid and site safety induction, if required.