I.S. EN ISO 8990:1997
Current
The latest, up-to-date edition.
THERMAL INSULATION - DETERMINATION OF STEADY-STATE THERMAL TRANSMISSION PROPERTIES - CALIBRATED AND GUARDED HOT BOX
Hardcopy , PDF
English
01-01-1997
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Section 1 General
1.1 Scope
1.2 Normative reference
1.3 Definitions
1.4 Symbols, units and relationships
1.5 Principle
1.6 Limitations and sources of errors
Section 2 Apparatus
2.1 Introduction
2.2 Design requirements
2.3 Metering box
2.4 Guard box
2.5 Specimen frame
2.6 Cold side chamber
2.7 Temperature measurements
2.8 Instrumentation
2.9 Performance evaluation and calibration
Section 3 Test procedure
3.1 Introduction
3.2 Conditioning of specimen
3.3 Specimen selection and mounting
3.4 Test conditions
3.5 Measurement periods
3.6 Calculations
3.7 Test report
Annexes
A Heat transfer at surfaces and environmental temperatures
B Bibliography
Covers the principles for the design of the apparatus and minimum requirement that shall be met for determination of the laboratory steady-state thermal transmission properties of building components and similar components for industrial use.
| DocumentType |
Standard
|
| Pages |
50
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN ISO 8990:1996 | Identical |
| BS EN ISO 8990:1996 | Identical |
| UNI EN ISO 8990 : 1999 | Identical |
| DIN EN ISO 8990:1996-09 | Identical |
| ISO 8990:1994 | Identical |
| UNE-EN ISO 8990:1997 | Identical |
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