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Elements and Performance Criteria

1. Prepare to work on flow 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 flow measurement problem is identified from documentation and/or appropriate person/s to determine the scope of work to be undertaken
4. Appropriate person/s is consulted to ensure work is coordinated effectively with others
5. Materials required for the 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 a flow measurement problems
   • WHS/OHS risk control work measures and workplace procedures are followed
8. Need to inspect, test or measure electrical components of live work is determined in accordance with job requirements and workplace safety procedures
9. Flow measurement apparatus is checked and isolated in accordance with WHS/OHS requirements and workplace procedures
10. Relevant methods/techniques are used to solve measurement problems and calculated values as they apply to flow measurement systems
11. Unplanned situations are responded to in accordance with workplace procedures and with the approval of an authorised person/s
12. Problems are resolved using sustainable energy principles and without damage to 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 used to resolve flow measurement problem 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.
Flow measurement apparatus and system fault finding, maintenance or development work functions must include at least three of the following:	determining the operating parameters of a flow measuring system setting up and calibrating a flow measuring system altering an existing flow measuring system to comply with specified operating parameters developing a flow 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: applying safe work practices implementing risk control measures applying sustainable energy principles and practices completing work and documenting work activities connecting pneumatic, hydraulic and electric equipment dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment identifying flow measurement components and system identifying specifications, industry standards and equipment manuals solving problems in flow measurement systems.

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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 flow measurement in closed conduits, including: basic principles of fluid flow International System of Units (SI) units pertaining to flow and conversion factors to SI units volumetric and mass flow Reynolds numbers behaviour of fluid flow in pipes correction methods flow terminology pressure loss integration uses of flow meters types and applications of flow transducers transducers input/outputs - measurement and evaluation transducer connections differential pressure flow measurement, including: Bernoullis theorem and square root head law calculations of the differential pressure calibration of the associated secondary instrument installation and types of differential pressure flow meters and primary elements differential pressure flow measurement circuits, including define turndown and accuracy, output signals, square root extractors, scaling factors and signal scaling electromagnetic, vortex and ultrasonic flow meters, including: construction, operating principles, performance, application and installation installation of vortex and ultrasonic flow meters operating principles and applications of ultrasonic flow meters flow measurement in closed conduits, including: basic principles of fluid flow behaviour of fluid flow in pipes correction methods and flow terminology integration, pressure loss, and Reynolds numbers SI units pertaining to flow and conversion factors to SI units types and applications of flow transducers, connections, and transducer input/outputs (I/O) - measurement and evaluation uses of flow meters volumetric and mass flow mass flow measurement and volumetric flow rate correction, including: applications, installation, operating principles and performance of mass flow meters calculations of corrected flow rate calibration of corrected systems components mass flow measurement volumetric flow rate correction mechanical flowmeters for liquid service, including: operating principles of mechanical flow meters performance of mechanical flow meters applications of mechanical flow meters installation of mechanical flow meters operating principles of gas flow meters performance of gas flow meters applications of gas flow meters installation of gas flow meters open-channel flow measurement and flow meter calibration, including: calculations of the head generated flow meter calibration installation of open channel flow meters non-linear head/flow relationships open channel flow measurement operating principles of secondary instruments principles of fluid flow in open channels principles of head/flow relationships problems in flow measurement systems relevant job safety assessments or risk mitigation processes, including risk control measures relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures, including safe work practices specifications, industry standards and equipment manuals sustainable energy principles and practices variable area flow meters and turbine flow meters, including; applications, installation, and operating principles and performance of variable area and turbine meters density correction calculations and scaling factors variable area meters performance factors.

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