Emerson HAS8xE-IM-ATEX Manuel D’Utilisation
MLT 2 / BINOS
100 F
Emerson Process Management Manufacturing GmbH & Co. OHG
1 - 3
ATEX Instruction Manual
HAS8xE-IM-ATEX
January 2004
January 2004
1-3 Specification
1-3
Specification
1-3-2
Explosion Protection
Concepts:
Category 3: Pressurized enclosure
(EEx p) using simplified
purge with either leakage
compensation mode or
continuous flow
purge with either leakage
compensation mode or
continuous flow
Temperature class: T4
Options: Intrinsically safe (EEx i) digital,
analog, network or Foundation
Fieldbus outputs.
Intrinsically safe (EEx i) para-
magnetic Oxygen sensor or ther-
mal conductivity sensor.
Fieldbus outputs.
Intrinsically safe (EEx i) para-
magnetic Oxygen sensor or ther-
mal conductivity sensor.
Applicable Standards:
EN 50014:1997 + amendments 1 & 2,
EN 50016:1995,
EN 50020:1994
EN 50016:1995,
EN 50020:1994
1-3-3
Pressurization Conditions
Volume of pressurized enclosure:
single enclosure:
single enclosure:
approx. 56 l
dual enclosure:
approx. 112 l
Pre-purge phase:
Duration:
single enclosure:
single enclosure:
5 minutes
dual enclosure:
17 minutes
Flow of protective gas:
single enclosure:
8 Nm³/h
dual enclosure:
7 Nm³/h
Minimum overpressure during
operation:
operation:
1 mbar against external Ex Zone and
>50 Pa against Containment System if
>50 Pa against Containment System if
flammable gases are supplied.
Hazardous area:
Zone 2 (Category 3),
1-3-1
Installation Site