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Elements and Performance Criteria

1. Prepare to work on pressure 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 pressure measurement problem is identified from documentation 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 pressure measurement problem
   • 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. Pressure measurement apparatus is checked and isolated in accordance with WHS/OHS requirements and workplace procedures
10. Relevant methods are used to solve measurement problem from tests and calculated values, as they apply to pressure measurement components and 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 pressure 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.
Pressure 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 pressure measuring system setting up and calibrating a pressure measuring system developing a pressure 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 risk control measures applying sustainable energy principles and practices completing work and documenting work activities dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment documenting completed work identifying pressure measurement components and systems solving problems in pressure measurement components and 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:

pressure transmitters and converters pressure measurement terms and transducers, including: applications and common relationships pressure and the relationship between applied pressure, density, mass, force, area and the height of liquid columns transducer types, applications, connections and input/outputs (I/O) - measurement and evaluation manometers ,including: types of manometers operating principles of manometers gauge pressure measurement wet leg manometer applications manometer limitations absolute, gauge and atmospheric pressure measurement, including: absolute and gauge pressure absolute zero pressure atmospheric pressure barometers absolute pressure gauges mechanical pressure measuring devices, including: gauges: bourdon tube, spiral and helical other mechanical pressure elements: bellows, capsule and slack/stiff diaphragms pressure measurement using elastic deformation gauges term: flexibility spring rate electrical pressure measuring devices, including: electrical sensors for pressure measurements, including capacitive, piezo, inductive and strain gauge testing elements and electrical signal transmission devices dead weight testers, including: law of hydraulics dead weight tester operating principles dead weight tester operating procedures terms: backlash, hysterics and repeatability calibration of gauges precautions bourdon tube gauges calibration testing and installation of pressure measurement devices, including: testing calibration installation of pressure measurement devices within pressure vessel systems isolation, seal, vent, drain and bypass valves location and operation sequence pressure transmitters and converters, including: principle of operation of moment, motion and forced balanced transmitters for pneumatic, electrical, and electronic transmitter applications of transmitters, converters and connections calibration of transmitters principle of operation of signal converters applications of pressure converters calibration of pressure converters problem solutions in pressure measurement systems relevant job safety assessments or risk mitigation processes, including risk control measures relevant manufacturer specifications relevant materials, tools and equipment relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures sustainable energy principles and practices testing and installation of pressure measurement devices, including device calibration live electrical components.

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