专家解读视频
Gives guidelines for ensuring the fidelity and security of pulsed data cables transmission systems for the metering of fluids to ensure the integrity of the primary indication. Includes precautions, installation, commissioning and testing, inspection and maintenance. Illustrates typical functional arrangement for pulse security system, level A - E.
Supersedes NBN ISO 6551 (11/2003)
SN EN ISO 6551:1997 - Identical
NEN EN ISO 6551:1995 - Identical
BS EN ISO 6551:1996 - Identical
DIN EN ISO 6551 (1996-08) - Identical
ONORM EN ISO 6551:1996 - Identical
SS EN ISO 6551 Ed. 1 (1996) - Identical
I.S. EN ISO 6551:1996 - Identical
UNI EN ISO 6551:2000 - Identical
NF EN ISO 6551:1996 - Identical
NS EN ISO 6551 Ed. 1 (1995) - Identical
ISO 6551:1982 - Identical
