NZQA expiringunit standard / 12450 version 5
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Title / Demonstrate knowledge of gas meters and correctors
Level / 2 / Credits / 3
Purpose / People credited with this unit standard are able to describe the types, operation, application, and handling of meters and correctors used in a gas distribution network.
Classification / Gas Industry > GasMeasurement
Available grade / Achieved

Explanatory notes

1This unit standard is intended for, but is not limited to, workplace assessment. The range statements relate to enterprise specific equipment, procedures, and processes.

2The current version of the following documents must be complied with:

Health and Safety in Employment Act 1992;

NZS 5258:2003 Gas distribution networks available at

NZS 5259:2004 Gas measurement available at

3All work practices must comply with regulations and codes of practice pertaining to the gas industry.

4Definition

Company proceduresmeans the documented methods for performing work activities and include health and safety, environmental, and quality management requirements. They may refer to manuals, codes of practice, or policy statements.

Outcomes and evidence requirements

Outcome 1

Describe the types, operation, application, and handling of meters used in a gas distribution network.

Evidence requirements

1.1Types of meters are identified and described in accordance with system and company procedures.

Rangediaphragm, turbine, rotary, ultrasonic.

1.2Operation of meters is described in accordance with system requirements.

Rangediaphragm, turbine, rotary, ultrasonic.

1.3Applications of meters are described in accordance with system requirements.

Rangedomestic, commercial, industrial, internal, external.

1.4Storage, handling, and transportation requirements for meters are described in accordance with manufacturer’s instructions and company procedures.

Rangepackaging, protection, position, orientation, securing, seals.

Outcome 2

Describe the types, operation, application, and handling of correctors used in a gas distribution network.

Evidence requirements

2.1Types of correctors are described in accordance with system requirements.

Rangemechanical, electronic, pressure, temperature, absolute, gauge.

2.2The operation of different types of correctors is described in accordance with system requirements.

Rangemechanical, electronic.

2.3Applications and compliance requirements of different types of correctors are described in accordance with system requirements.

Rangecommercial, industrial, internal, external.

2.4Storage, handling, and transportation requirements for correctors are described in accordance with manufacturer’s instructions and company procedures.

Rangepackaging, protection, position, orientation, securing, seals.

Replacement information / This unit standard, unit standard 23084, and unit standard 23088were replaced by unit standard 30381.

This unit standard is expiring. Assessment against the unit standard must take place by the last date for assessments set out below.

Status information and last date for assessment for superseded versions

Process / Version / Date / Last Date for Assessment
Registration / 1 / 25 September 1997 / 31 December 2020
Revision / 2 / 3 August 2000 / 31 December 2020
Review / 3 / 22 October 2002 / 31 December 2020
Review / 4 / 20 November 2006 / 31 December 2020
Review / 5 / 17 August 2017 / 31 December 2020
Consent and Moderation Requirements (CMR) reference / 0014

This CMR can be accessed at

Please note

Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.

Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.

Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.

Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMR). The CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.

MITO New Zealand Incorporated
SSB Code 101542 / New Zealand Qualifications Authority 2018