PREN 12405-2 : DRAFT 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
01-07-2012
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principles of energy determination
5 Rated operating conditions
6 Construction requirements
7 Installation requirements
8 Metrological requirements
9 Tests of conformity
10 Marking
11 Installation and operating instructions
Annex A (normative) - Type test of the energy calculator
(EC)
Annex B (normative) - Type test of the calorific value
determination device (CVDD)
Annex C (normative) - Type approval tests of volume
conversion device (VCD)
Annex D (informative) - Type approval test of VCD, EC and
CVDD
Annex E (normative) - Type approval test of the VCD/EC
Annex F (informative) - Type approval test of the EC/CVDD
Annex G (normative) - Type approval test of the VCD/EC/CVDD
Annex H (normative) - Environmental influences (test
procedures)
Annex I (informative) - Testing of the data transmission
interface of energy conversion
device
Bibliography
Describes the requirements and tests for the construction, performance, safety and conformity of conversion devices used to determine energy of fuel gases, including those of the 1st and 2nd families according to EN 437.
| Committee |
TC 237
|
| DocumentType |
Draft
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Standards | Relationship |
| DIN EN 12405-2:2012-10 | Identical |
| 09/30207853 DC : 0 | Identical |
| 10/30232464 DC : 0 | BS EN 12480 - GAS METERS - ROTARY DISPLACEMENT GAS METERS |
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