NZQA registered unit standard
28157 version 1
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Title
Demonstrate knowledge of types of instrumentation used in the
energy and chemical industry
Level
3
Credits
Purpose
5
This theory-based unit standard is for entry-level people
working as boiler and energy and chemical process operators.
People credited with this unit standard are able to demonstrate
knowledge of types of instrumentation used in the energy and
chemical industry.
Classification
Energy and Chemical Plant > Monitoring of Energy and
Chemical Plant
Available grade
Achieved
Explanatory notes
1
Definition
Energy and chemical industry may be in – petrochemical, agri-nutrient, power
generation, dairy processing, meat processing, and wood fibre manufacturing, or
other plants that operate with a combination of high temperatures, pressures, steam
and/or chemicals in gas, liquid or solid form.
2
Legislation relevant to this unit standard includes but is not limited to – Hazardous
Substances and New Organisms Act 1996, Health and Safety in Employment Act
1992, Resource Management Act 1991.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of types of instrumentation used in the energy and chemical
industry.
Evidence requirements
1.1
Pressure indicating instruments are described in terms of their design and
operating concepts.
Range
evidence is required of four types of instrument.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.2
The relationship between units used for indicating pressure is described in
terms of conversion between these units.
units include but are not limited to – pounds per square inch, bar
absolute, bar gauge, kilopascal, millimetres of water,
atmospheres.
Range
1.3
28157 version 1
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Temperature indicating instruments are described in terms of their design and
operating concepts.
Range
evidence is required of four types of instrument.
1.4
The relationship between Fahrenheit and Celsius is described in terms of
conversion between these units.
1.5
Level measurement instruments are described in terms of their design and
operating concepts.
Range
1.6
evidence is required of five types of instrument.
Flow measurement instruments are described in terms of their design and
operating concepts.
Range
evidence is required of five types of instrument.
Replacement information
This unit standard replaced unit standard 3054.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
24 October 2014
N/A
Consent and Moderation Requirements (CMR) reference
0079
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
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.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28157 version 1
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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.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016