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Elements and Performance Criteria

  1. Receive and schedule inspector's class reference standards for calibration
  2. Receive and schedule Inspectors’ Class reference standards for calibration

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Inspectors’ Class reference standards include one or more of:

Inspectors’ Classes of reference standards defined in the National Measurement Regulations 1999:

mass – Inspectors’ Class 1, 2 and 3

length – Inspector’s Class 1

volume – Inspector’s Class 1

Standard calibrations include one or more of:

testing and/or calibrating reference standards using standard methods and procedures

Legislation and standards include:

national measurement legislation

relevant national/international standards including ISO/IEC 17025

applicable Commonwealth, state and territory work/occupational health and safety (WHS/OHS) legislation

Policy and procedures include:

NMI policies and procedures

NMI monographs

Verifying authority internal policies and procedures

WHS/OHS and environmental management requirements include:

complying with WHS/OHS and environmental management requirements at all times, which may be imposed through state/territory or federal legislation. These requirements must not be compromised at any time

applying standard precautions relating to the potentially hazardous nature of any materials used

Performance Evidence

Evidence of competence in this unit must satisfy all of the requirements of the elements and performance criteria, and include demonstration of:

calibrating and verifying the following Inspectors’ Class level reference standards using standard calibration procedures:

at least one (1) mass Inspectors’ Class 1, 2 or 3 reference standard (single or double substitution)

at least one (1) Inspectors’ Class 1 length reference standard (flexible or rigid)

at least one (1) Inspectors’ Class 1 volume reference standard (gravimetric or volumetric)

receiving and scheduling Inspectors’ Class reference standards for calibration in accordance with organisation policy and procedures

accessing and correctly interpreting documentation required for verifications and calibration of Inspectors’ Class reference standards

preparing for calibrations by considering possible hazards, sources of measurement error, control strategies, conditioning of standards and evaluating/documenting the suitability of high order reference standards and measuring equipment selected for use

using the specified personal protective equipment, safety equipment and procedures to safely conduct calibrations

assessing the design, suitability and appearance of Inspectors’ Class reference standards

performing calibrations, without variance, according to the standard methods, using prescribed high order reference standards, Certificates of Verification, National Measurement Institute (NMI) policy and procedures, NMI monographs, and organisational procedures

if applicable, making adjustments to Inspectors’ Class reference standards

examining each calibration step critically to ensure repeatability and validity of data

estimating uncertainties, comparing calibration results with prescribed performance criteria for the Inspectors’ Class reference standard and confirming that results are within maximum permissible variation and uncertainty

analysing any variances in results from the performance criteria to identify isolated or systemic problems with the Inspectors’ Class reference standards or calibration procedure

attaching all required calibration labels, equipment stickers, quality control tags and tamper resistant seals on the standard

completing all calibration documentation and reporting in accordance with legislative requirements and organisational procedures

cleaning and storing test equipment/high order reference standards and documenting their status in accordance with organisational policy and procedures

using communication skills to:

deal with customers politely and efficiently

communicate with the laboratory manager

performing specified calculations involving:

fractions, decimals, ratios, proportions and percentages

scientific notation, correct units and the correct number of significant figures

interpretation of statistical quantities, such as mean, median, mode, range, variance and standard deviation

uncertainties

use of calibration and correction charts, determination of regression line equations and correlation coefficients

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.

Knowledge Evidence

Must provide evidence that demonstrates knowledge of:

purpose of metrology and calibration, including common terminology, concepts, principles, procedures and applications

detailed knowledge of specific metrology terms and principles, including uncertainty, maximum permissible variations, traceability and legal requirements for traceability

NATA's and the NMI’s role in Australia’s measurement and testing system, and measurement standards laboratories

requirements for the competence of testing and calibration laboratories (for example, AS ISO/IEC 17025) as they affect job role and responsibilities

national measurement legislation applicable to verification of Inspectors’ Class reference standards

hierarchy and appropriate selection of reference standards

NMI policy, procedures, monographs and operating procedures for equipment, and reference standards used in job role

detailed knowledge of calibration procedures (equipment, measurement steps, test conditions, environmental impacts, calculations and uncertainty treatment) to give valid results with appropriate accuracy, precision and units

non-conformance/non-compliance procedures and protocols associated with equipment, reference material and calibration procedures

troubleshooting procedures for equipment and test methods

handling, transport, storage and documentation of reference and working standards

laboratory environmental control requirements

lines of communication and reporting procedures.