Altometer
2
Important notices!
•
Besides the general regulations for low-voltage installations like HD384 etc. the
regulations laid down in the standard for electrical installations in gas hazardous
areas like EN 600079-14 or dust hazardous areas like EN 50 281-1-2 must be
respected !
•
Installation, use and maintenance of this apparatus may only be performed by
personal skilled in explosion safety !
1 Description of the flowmeter
The compact flowmeter Optiflux 5300 C-EEx is suitable for installation in gas and
dust hazardous areas classified as zone 1 and 2 (for Gas) or zone 21 and 22 (for
Dust). The flowmeter incorporates several types of protection against ignition ,
namely:
•
Converter housing, connection compartment: with in/output terminals L, N (or
L+, L-) and A+, A, A-, B, B-, C, C-, D, D- :
standard : EEx e (Increased safety)
special :
EEx d (Flameproof Enclosure)
For certain versions of converter IFC300-EEx the terminals A, A+, A-, B, B-, C, C- D,
and D- are additionally in type of protection EEx ia (Intrinsic Safety). Consult the table
with CG30 numbers for details in section 4.
•
Converter housing, electronics compartment:
always
EEx d (Flameproof Enclosure)
•
Coil housing (primary head) :
depending on DN size :
DN2,5-15 : EEx m (Moulded)
DN25-100 EEx d (Flameproof Enclosure)
•
internal electrode circuit :
always
EEx ia (Intrinsic Safety)
The resulting marking (EEx code) on the data sticker is therefore:
DN size
EEx e or EEx ia
connection compartment
EEx d connection
compartment
2,5-15
EEx dme [ia] IIC T6...T3
EEx dme [ia] IIC T6...T3
25-100
EEx de [ia] IIC T6...T3
EEx d [ia] IIC T6...T3
Содержание OPTIFLUX 4000 F
Страница 19: ...Hazardous area supplement to the QuickStart 15 OPTIFLUX Appendix 1 EC declaration of conformity ...
Страница 20: ...Altometer Addition to the Installation and Operating instructions Optiflux 4300 C EEx rev 0 20 07 2004 ...
Страница 35: ...Altometer Addition to the Installation and Operating instructions Optiflux 5300 C EEx rev 0 23 06 2004 ...