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BS EN 12405-3:2015

Gas meters. Conversion devices-Flow computer

standard by British-Adopted European Standard , 12/31/2015

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About This Item

 

Full Description

BS EN 12405-3:2015 specifies the requirements and tests for the construction, performance, safety and conformity of flow computers (FCs) used to meet the metrological and technical requirements of a high accuracy volume conversion device.

They are used to determine volume of fuel gases, including those of the first and second families according to EN 437.

For the purpose of this European Standard, only flow computers that are intended to operate with ultrasonic meters according to ISO 17089-1 or gas turbine meters conforming to EN 12261 are considered.

For the purpose of this European Standard only classification classes E2 and M1 are considered for the flow computer calculator.

FCs are equipped with external separate transducers for pressure and temperature which may be approved separately.

The provisions concerning pressure and temperature transducers are given in Annex B and C.

Requirements and tests are given for energy calculator in EN 12405-2.


Cross References:
EN 437
EN 1776
EN 12261
EN 12405-1:2005+A2:2010
EN 12405-2
EN 55011
EN 60068-2-1
IEC 60068-2-1
EN 60068-2-2
IEC 60068-2-2
EN 60068-2-30
IEC 60068-2-30
EN 60068-2-31
IEC 60068-2-31
EN 60068-2-64
IEC 60068-2-64
EN 60068-2-78
IEC 60068-2-78
EN 60068-3-1
IEC 60068-3-1
EN 60079-0
IEC 60079-0
EN 60079-7
IEC 60079-7
EN 60079-11
IEC 60079-11
EN 60079-25
IEC 60079-25
EN 60529
IEC 60529
EN 60751
IEC 60751
EN 60947-5-6
IEC 60947-5-6
EN 60950-1
IEC 60950-1
EN 61000-4-1
IEC 61000-4-1
EN 61000-4-2
IEC 61000-4-2
EN 61000-4-3
IEC 61000-4-3
EN 61000-4-4
IEC 61000-4-4
EN 61000-4-5
IEC 61000-4-5
EN 61000-4-6
IEC 61000-4-6
EN 61000-4-8
IEC 61000-4-8
EN 61000-4-11
IEC 61000-4-11
EN 61000-4-29
IEC 61000-4-29
EN 62054-21
IEC 62054-21
EN 62262
IEC 62262
EN ISO 6976
ISO 6976
EN ISO 12213-2:2009
ISO 12213-2:2006
EN ISO 12213-3:2009
ISO 12213-3:2006
EN ISO 15970
ISO 15970
IEC 61520
ISO 17089-1
ISO/IEC/IEEE 60559
EN 22768-1: 1993
EN 24006:1993ISO
4006:1991
EN 50160
ISO 5168
ISO 7498-2:1989
EN ISO 13443


All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
12/31/2015
ISBN(s):
9780580841804
Number of Pages:
82
File Size:
1 file , 1.6 MB
Product Code(s):
30289290, 30289290, 30289290
Note:
This product is unavailable in Ukraine, Russia, Belarus