Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
42
A5E45779389002-01, 09/2018
7.6
Technical specifications for operation in hazardous areas
The following tables show the data relevant to explosion protection. If the values shown here differ from the general or
device-specific technical specifications, the values specified here apply.
Position of use
Danger zone
Zone 1 and zone 2
Ambient temperature
5 ... 45 °C
Moisture
No cooling below dew point during storage and operation
Explosion protection
Assignment of pressurized enclosure Ex px with leakage compensation:
Ignition protection type
•
Pressurized enclosure
Ex px with leakage compensation:
(Analyzer versions 7MB251x-
xxx0x-xAEx, 7MB253x-xxxx-xxEx, 7MB201x-xxx0x-2xxx or -3xxx and 7MB211x–xxxxx–
2xAx or -3xAx)
•
Pressurized enclosure
Ex px with continuous purging:
(Analyzer versions 7MB251x-
xxx0x-xAFx, 7MB253x-xxxx-xxFx, 7MB201x-xxx0x-6xxx or -7xxx and 7MB211x–xxxxx–
6xAx or -7xAx)
•
Intrinsic safety i for keyboard isolation component and PROFIBUS PA output option
Temperature class *)
Device
Ex px with leakage compen-
sation
Ex px with continuous purg-
ing
O 6F, unheated
T4
T4
O 6F, heated
T3
T3
U 6F
T4
T6 (T4 with PROFIBUS PA
module)
C 6F
T4
T4
Explosion group
IIC
*) Assuming that the doors of the enclosure are opened at the earliest 10 minutes after switching off the power.
Assignment of simplified pressurized enclosure Ex pz with continuous purging
Ignition protection type
•
Pressurized enclosure Ex pz with continuous purging
:
(Analyzer versions 7MB251x-
xxx0x-xACx, 7MB201x–xxx0x–0xxx- or -1xxx-Z+E12 and
7MB211x–xxxxx–0xAx- or -1xAx-Z+E12, 7MB253x–xxxxx–xxCx)
Temperature class *)
Device
Ex pz
OXYMAT 6F, unheated
T4
OXYMAT 6F, heated
T3
ULTRAMAT 6F
T6 (T4 with PROFIBUS PA module)
CALOMAT 6F
T4
CALOMAT 62F
T4
Explosion group
IIC
*) Assuming that the doors of the enclosure are opened at the earliest 10 minutes after switching off the power.
