NZQA registered unit standard
Title
2649 version 6
Page 1 of 3
Demonstrate knowledge of signal conditioners, trending recorders, and alarm systems
Level
Purpose
4 Credits 3
This unit standard covers signal conditioning equipment, recorders, and alarm systems. However it excludes transmitters and controllers.
People credited with this unit standard are able to demonstrate knowledge of:

analogue signal conditioners;

trending recorders; and

alarm systems.
Classification Industrial Measurement and Control > Industrial Measurement and Control - Theory
Available grade Achieved
Explanatory note
1 Reference
ANSI/ISA-51.1-1979 (R1993) Process Instrumentation Terminology and all subsequent amendments and replacements.
;
Outcome 1
Demonstrate knowledge of analogue signal conditioners.
Evidence requirements
1.1 Identify signal conditioning functions and uses.
Range equipment – square root extractor, integrator, summer, current to pressure converter, pressure to current converter, function generator, multiplier divider, ratio module, booster relay, ratio relays, switching relays, current repeaters (isolators).
The Skills Organisation
SSB Code 100401

New Zealand Qualifications Authority 2020

NZQA registered unit standard
1.2
2649 version 6
Page 2 of 3
Describe the operation of signal conditioning modules with the aid of functional diagrams.
Range current to pressure, pressure to current.
1.3 Plot input versus output characteristics from selected signal conditioning modules.
Range module types may include – square root extractor, integrator, summer, current to pressure converter, pressure to current converter, function generator, multiplier divider, ratio module; evidence of two module types is required.
Outcome 2
Demonstrate knowledge of trending recorders.
Evidence requirements
2.1 Describe function and uses of trending recorders.
Outcome 3
Demonstrate knowledge of alarm systems.
Evidence requirements
3.1
3.2
Describe operation of alarm systems with the aid of a functional diagram.
Explain terms associated with alarm systems.
Range first out, accept, fail-safe modes, alarm priorities.
Planned review date 31 December 2017
Status information and last date for assessment for superseded versions
Process Version Date Last Date for Assessment
Registration 1 31 October 1995 31 December 2013
Revision
Revision
Review
Review
Review
2
3
4
5
6
30 October 1997
3 April 2001
22 June 2001
19 May 2008
28 November 2013
31 December 2013
31 December 2013
31 December 2013
31 December 2019
N/A
The Skills Organisation
SSB Code 100401

New Zealand Qualifications Authority 2020

NZQA registered unit standard
0003
2649 version 6
Page 3 of 3
Consent and Moderation Requirements (CMR) reference
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.
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 Skills Organisation reviewcomments@skills.org.nz
if you wish to suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401

New Zealand Qualifications Authority 2020