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AS 2464.6-1983

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods of testing thermal insulation - Steady-state thermal transmission properties by means of the guarded hot plate
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

07-04-1983

Publisher

Standards Australia

Preview

1 - AS 2464.6:1983 METHODS OF TESTING THERMAL INSULATION - STEADY– STATE THERMAL TRANSMISSION PROPERTIES BY MEANS OF THE GUARDED
2 - METHOD
2 - 1 SCOPE.
2 - 2 APPLICATION.
2 - 2.1 Measurement of Thermal Resistance and Thermal Conductance.
2 - 2.2 Measurement of Average Thermal Resistivity and Average Thermal Conductivity.
2 - 2.3 Applicability of Test Results to a Material.
2 - 3 REFERENCED DOCUMENTS.
3 - 4 DEFINITIONS.
3 - 4.1 Layered specimen
3 - 4.2 Homogeneous specimen
3 - 5 SYMBOLS.
3 - 6 APPARATUS.
3 - 6.1 General Features.
3 - 6.2 Heating Unit.
3 - 6.3 Gap and Surfaces.
3 - 6.4 Imbalance Detectors.
4 - 6.5 Cooling Units.
5 - 6.6 Temperature Detectors.
5 - 6.7 Clamping Force.
5 - 6.8 Temperature Difference Across Specimens.
6 - 6.9 Measurement System for Temperature Detector Outputs.
6 - 6.10 Edge Insulation.
7 - 6.11 Enclosure.
7 - 7 TEST SPECIMENS.
7 - 7.1 Selection and Size.
11 - 7.2 Specimen Preparation.
12 - 8 PROCEDURE.
12 - 8.1 Temperature Difference and Gradient.
12 - 8.2 Ambient Conditions.
12 - 8.3 Heat Flow Measurements.
12 - 8.4 Cold Surface Control.
12 - 8.5 Temperature Difference Detectors.
12 - 8.6 Equilibrium Time and Measurement Interval.
12 - 9 CALCULATIONS.
12 - 9.1 Density.
12 - 9.2 Change in Mass.
13 - 9.3 Mass Regain.
13 - 9.4 Transmission Properties.
13 - 10 REPORT.
13 - 10.1 Values Reported.
14 - 10.2 Graphs.
14 - 10.3 Statement of Compliance.
14 - 10.4 Calibration of Direct-reading Circuitry.
14 - 11 REFERENCES.
16 - APPENDIX A - SUGGESTED METHODS FOR PREPARING TEST SPECIMENS OF LOOSE MATERIALS WHERE NO METHOD IS SPECIFIED IN THE MATERIAL S
16 - A1 METHOD A.
16 - A2 METHOD B.
17 - APPENDIX B - MEASURING SYSTEM
17 - B1 GENERAL REQUIREMENTS.
17 - B2 MEASURING SYSTEM REQUIREMENTS FOR CERTIFICATION TESTING.
17 - B3 CALIBRATION OF COMPUTING CIRCUITRY.
18 - APPENDIX C - TESTS ON SPECIMENS TO DETERMINE APPLICABILITY OF THE METHOD
18 - C1 SCOPE.
18 - C2 DISTORTION OF THE HEAT FLOW IN THE SPECIMEN.
18 - C3 TEST FOR THERMAL SHORT-CIRCUITS.
18 - C3.1 General.
18 - C3.2 Simple Test.
18 - C4 DETERMINING THE THERMAL CONDUCTIVITY AND RESISTIVITY OF A MATERIAL.
18 - C4.1 General.
19 - C4.2 Dependence on Specimen Thickness.
19 - C4.3 Dependence on Temperature Difference.
19 - C4.4 Method of Determining Dependence on Temperature Difference.
19 - C4.5 Determination of Minimum Thickness for Which Thermal Properties of the Material may be definedc
19 - C4.6 Procedure.

Sets out the method for determining the steady-state thermal transmission properties of thermal insulating specimens using a guarded hotplate, within the limits set by Clauses 2.1, 2.2 and 2.3. For purposes of certification, this method is limited to specimens with thermal resistances greater than 0.017 m2.K/W in all directions.

This standard sets out the method for determining the steady-state thermal transmission properties of thermal insulating specimens using a guarded hotplate, within the limits set by Clauses 2.1, 2.2 and 2.3. For purposes of certification, this method is limited to specimens with thermal resistances greater than 0.017 m2.K/W in all directions (see Note 1).NOTES:1. Special techniques may be required for measuring surface temperatures with specimens having thermal resistances less than 0.1 m2.K/W.2. The accuracy of measurement on specimens of low-density thermal insulation by this standard may be difficult to verify and may require an extensive analysis of the equipment and/or a performance check using calibration standards having heat transmission characteristics and thickness similar to the test specimens.This standard is a primary method for measuring the thermal transmission properties of specimens, as only measurements of length, electrical power, and temperature difference are required.

Committee
BD-058
DocumentType
Standard
ISBN
0 7262 3017 0
Pages
18
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision See DR 02026 CP

AS 2352-1980 Glossary of terms for thermal insulation of buildings
AS 2464.5-1985 Methods of testing thermal insulation Steady-state thermal transmission properties by means of the heat flow meter

AS 4073-1993 Urea-formaldehyde foam thermal insulation - In situ set foam
AS 3742-1990 Mineral wool thermal insulation - Batt and blanket
AS 4075-1993 Urea-formaldehyde foam thermal insulation - Installation requirements for in situ set foam
AS 2464.3-1983 Methods of testing thermal insulation Thermal resistance of low-density loose-fill insulation
AS 1366.1-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polyurethane (RC/PUR) (Reconfirmed 2018)
AS 1366.4-1989 Rigid cellular plastics sheets for thermal insulation Rigid cellular polystyrene - Extruded (RC/PS-E) (Reconfirmed 2018)
AS/NZS 4256.4:1995 Plastic roof and wall cladding materials - Unplasticized polyvinyl chloride (uPVC) wall cladding boards
AS 4256.4-2006 Plastic roof and wall cladding materials Unplasticized polyvinyl chloride (uPVC) wall cladding boards (Reconfirmed 2018)
AS 2464.5-1985 Methods of testing thermal insulation Steady-state thermal transmission properties by means of the heat flow meter
AS 4508-1999 Thermal resistance of insulation for ductwork used in building airconditioning (Reconfirmed 2018)
AS 1366.2-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polyisocyanurate (RC/PIR) (Reconfirmed 2018)
AS 1366.3-1992 Rigid cellular plastics sheets for thermal insulation Rigid cellular polystyrene - Moulded (RC/PS - M) (Reconfirmed 2018)

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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