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BS ISO 24365:2022 2023

BS ISO 24365:2022 2023

$215.11

Radiators and convectors. Methods and rating for determining the heat output

Published By Publication Date Number of Pages
BSI 2023 74
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms, definitions, symbols and units
3.1 Terms and definitions
12 3.2 Symbols and units of measurement
13 4 Selection of heating appliances to be tested
4.1 Classification
14 4.2 Selection of models to be tested for determining the thermal outputs of a type
4.2.1 Selection of models to be tested when the variable characteristic dimension is the overall height and the cross-section of the variable part is constant
15 4.2.2 Selection of models to be tested when the variable characteristic dimension for the type is other than the overall height
16 4.3 Testing samples submission and identification
19 4.4 Supplementary test
5 Laboratory equipment and test methods
5.1 Principle
5.2 Apparatus
5.2.1 Test system
5.2.2 Reference test installation
22 5.2.3 Master radiators
26 5.2.4 Verification of test installation repeatability and reproducibility
31 5.2.5 Accuracy of measuring instruments and devices
32 5.2.6 Calibration of measuring instruments
5.3 Preparation for thermal output test
5.4 Test methods
5.4.1 General
5.4.2 Weighing method
33 5.4.3 Electric method
5.4.4 Measurements and calculations
36 5.4.5 Determination of the characteristic equation
37 5.5 Presentation of results
5.5.1 Standard thermal output of a model
38 5.5.2 Determination of the catalogue outputs of a type made at variable water flow rate
6 Test report
41 Annex A (normative) Master radiators dimensional verification
46 Annex B (informative) Determination of pressure drop
51 Annex C (normative) Least squares regression for a model
52 Annex D (normative) Analysis of test results by the method of least squares multiple regression
54 Annex E (normative) Specimen of the test report
57 Annex F (informative) Apparatus and method for checking the bulk temperature measuring devices
59 Annex G (informative) Examples of typical appliances according to Table 4
69 Annex H (normative) Determination of the ΦM values of the master radiators primary set
70 Annex I (normative) Calculation method for determining the energy calculation parameters
72 Bibliography

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BS ISO 24365:2022 2023
$215.11