NZQA Expiring unit standard
Title
3054 version 8
Page 1 of 3
Read and interpret instruments used on energy and chemical plant
Level
Purpose
3 Credits 5
People credited with this unit standard are able to demonstrate knowledge of the common types of process instrumentation used in the energy and chemical industry and their units of measurement, and read and interpret process instrumentation used at an energy and chemical plant.
Classification Energy and Chemical Plant > Monitoring of Energy and
Chemical Plant
Available grade Achieved
Explanatory notes
1 Definitions
Organisational requirements refer to documented policies and to documented or other directions provided to staff. These may include but are not limited to: manufacturers’ procedures, plant procedures, suppliers’ instructions, site signage, legislative requirements, codes of practice, company health and safety plans, on site briefings, and supervisor’s instructions.
Plant refers to the plant or unit at which the person is employed.
2
This unit standard is
3
1991; and Hazardous Substances and New Organisms Act 1996. expiring process operators whose role can include all or some of the following – steam generation, water treatment, hydrocarbon processing and electrical generation in industries including petrochemical, power generation, dairy processing, meat processing, timber processing and other steam users.
Outcome 1
Demonstrate knowledge of the common types of process instrumentation used in the energy and chemical industry and their units of measurement.
Evidence requirements

New Zealand Qualifications Authority 2020 New Zealand Industry Training Organisation
SSB Code 101541
This unit standard is expiring
New Zealand Qualifications Aut

NZQA Expiring unit standard
1.1
3054 version 8
Page 2 of 3
Pressure indicating instruments and their principles of operation are described in terms of design and operating concepts.
Range includes but is not limited to
– bourdon tube, bellows, diaphragm, manometers, barometers.
1.2 Units used for indicating pressure are defined in terms of their relationships to each other.
Range pounds per square inch, bar absolute, bar gauge, kilopascal, millimetres of water, millimetres of mercury, atmospheres, pascal.
1.3 Temperature indicating instruments and their principles of operation are described in terms of design and operating concepts.
Range thermometer, bimetallic, thermocouple, pyrometer, resistance temperature devices.
1.4
1.5
Fahrenheit and Celsius are defined in terms of their relationship to each other.
Level measurement instruments are described in terms of design and operating concepts.
Range instruments include but are not limited to – sight glass, float, differential pressure, bubble, magnetic, radar, ultrasonic, conductivity probe, capacitance probe.
1.6 Flow measurement instruments are described in terms of design and operating concepts.
Range turbine meter, vortex, impeller, orifice plate, magnetic, venturi,
Outcome 2 rotameter. This unit standard is expiring
Range instrumentation includes at least one each of – pressure, temperature, flow, level.
Evidence requirements
2.1
2.2
Instruments are identified using plant numbering and identification system.
Units of measurement are identified and normal operating parameters are defined.
2.3 Interpretation ensures reading is valid for the product being measured and is within operating parameters.
2.4 Data is reported and logged in accordance with organisational requirements.

New Zealand Qualifications Authority 2020 New Zealand Industry Training Organisation
SSB Code 101541
This unit standard is expiring
New Zealand Qualifications Aut

NZQA Expiring unit standard
Range
3054 version 8
Page 3 of 3 may include but is not limited to – equipment defects, deviation from normal operating parameters, actions taken.
Replacement information This unit standard has been replaced by unit standard
28157.
This unit standard is expiring. Assessment against the standard must take place by the last date for assessment set out below.
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration
Revision
1
2
8 November 1995
15 December 1998
31 December 2014
31 December 2014
Review
Revision
Review
Rollover and
Revision
Review
3
4
5
6
7
29 May 2000
24 July 2002
27 June 2005
25 July 2006
22 May 2009
31 December 2014
31 December 2014
31 December 2014
31 December 2014
31 December 2016
Review 8 24 October 2014
Consent and Moderation Requirements (CMR) reference
31 December 2016
0079
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do
.
Please note
This unit standard is
Providers must be granted consent to assess against standards (accredited) by NZQA, of study leading to that assessment. expiring
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.

New Zealand Qualifications Authority 2020 New Zealand Industry Training Organisation
SSB Code 101541
This unit standard is expiring
New Zealand Qualifications Aut