19544 version 2
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Test gas meters using a bell prover
Level
3
Credits
12
Purpose
People credited with this unit standard are able to: locate and identify
procedures, documentation, and equipment for testing a gas meter using a
bell prover; prepare to and test gas meters using a bell prover; and complete
reporting and documentation for testing gas meters.
Subfield
Gas Industry
Domain
Gas Measurement
Status
Registered
Status date
20 November 2006
Date version published
20 November 2006
Planned review date
31 December 2011
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
NZ Motor Industry Training Organisation (Incorporated)
(MITO)
Accreditation and Moderation Action Plan (AMAP) reference
0114
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
This unit standard is intended for, but is not limited to, workplace assessment. The
range statements relate to enterprise specific equipment, procedures, and
processes.
2
The current version of the following documents must be complied with:
Health and Safety in Employment Act 1992;
Testing Laboratory Registration Act 1972;
NZS 5259:2004 Gas measurement available at http://www.standards.co.nz/.
3
All work practices must comply with regulations and codes of practice pertaining to
the gas industry. A full list of applicable regulations and codes is available from the
NZ Motor Industry Training Organisation (Incorporated) (MITO).
 New Zealand Qualifications Authority 2016
19544 version 2
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4
All work practices must comply with the quality requirements of the International
Standards Organisation.
5
Definitions
Company procedures means 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.
IANZ refers to International Accreditation New Zealand.
Elements and performance criteria
Element 1
Locate and identify procedures, documentation, and equipment for testing a gas meter
using a bell prover.
Performance criteria
1.1
Company procedures for testing a gas meter using a bell prover are located and
interpreted in relation to specified job requirements.
Range
NZS 5259, Test Method Manual, IANZ requirements.
1.2
Potential environmental and safety hazards are identified in accordance with
company procedures.
1.3
Test equipment, components, and materials are identified and described in
terms of type and function.
Range
equipment may include but is not limited to – bell prover, meter,
labels, external leak test, rating caps, test certificates, internal leak
test, tools, fittings, seals;
function may include but is not limited to – pressure, capacity,
flow, leakage, conversion.
1.4
Equipment is described in terms of potential hazards of incorrect application
and operation, and the steps to avoid them are described in accordance with
company procedures.
1.5
Resource requirements are identified and sourced in accordance with company
procedures.
Range
tools, materials, documentation, personnel.
 New Zealand Qualifications Authority 2016
19544 version 2
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Element 2
Prepare to and test gas meters using a bell prover.
Performance criteria
2.1
Gas meter details are checked prior to test.
Range
2.2
Bell prover is checked prior to test.
Range
2.3
position of bell, leaks, bell temperature, room temperature, zero,
calibration labels, rating caps, valves.
Tests are performed in accordance with manufacturer’s instructions and
company procedures.
Range
2.4
soundness, conditioning, badge plate, seals, dials, make and
model, serial number, index reading, metric or imperial, year of
manufacture.
labelling, external leakage, accuracy of registration, internal
leakage, sealing.
Test equipment is used in accordance with company procedures and
manufacturer’s instructions.
Element 3
Complete reporting and documentation for testing gas meters.
Performance criteria
3.1
Test results are recorded in accordance with company procedures.
Range
3.2
report number, capacity, flow rate, leakage, accuracy, date,
person conducting test, person certifying test.
Information is communicated to other parties, both internal and external, in
accordance with company requirements.
Range
test certificates, currency certification, recommendations,
identification tags, labels, customers, clients.
Please note
Providers must be accredited by the Qualifications Authority, or an inter-institutional body
with delegated authority for quality assurance, before they can report credits from
assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
 New Zealand Qualifications Authority 2016
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Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP 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.
Comments on this unit standard
Please contact the NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016