DEVICE DESCRIPTION
2
7
OPTIBAR DP 7060
www.krohne.com
05/2017 - 4005720001 - AD OPTIBAR 7060 Ex db ia R01en
2.4 Device category
Category 1/2G equipment (EPL-Ga/Gb equipment
Category 1/2G equipment (EPL-Ga/Gb equipment
Category 1/2G equipment (EPL-Ga/Gb equipment
Category 1/2G equipment (EPL-Ga/Gb equipment)
The process connection element is installed in the separating wall, which separates areas in
which equipment of category 2G or 1G are required. The electronics housing is installed in
hazardous areas requiring equipment of category 2G. The sensor is installed in hazardous areas
requiring equipment of category 1G.
Category 2G equipment (EPL-Ga equipment)
Category 2G equipment (EPL-Ga equipment)
Category 2G equipment (EPL-Ga equipment)
Category 2G equipment (EPL-Ga equipment)
The devices are installed in hazardous areas requiring equipment category 2G.
2.5 Protection types
The pressure transmitter is designed in protection type flameproof enclosure with internal
intrinsically safe circuits "d ia" according to EN 60079-1/EN 60079-11 and IEC 60079-
1/IEC 60079-11, however the device does NOT
NOT
NOT
NOT require an intrinsically safe supply.
The marking according to ATEX is:
II 1/2G, 2G Ex db ia IIC T6
II 1/2G, 2G Ex db ia IIC T6
II 1/2G, 2G Ex db ia IIC T6
II 1/2G, 2G Ex db ia IIC T6
…
T1 Ga/Gb, Gb
T1 Ga/Gb, Gb
T1 Ga/Gb, Gb
T1 Ga/Gb, Gb
The marking according to IECEx is:
Ex db ia IIC T6...T1 Ga/Gb, Gb
Ex db ia IIC T6...T1 Ga/Gb, Gb
Ex db ia IIC T6...T1 Ga/Gb, Gb
Ex db ia IIC T6...T1 Ga/Gb, Gb
The marking contains the following information:
The marking contains the following information:
The marking contains the following information:
The marking contains the following information:
II
IIII
II
Explosion protection, group II
G
G
G
G
Gas explosion protection
Ex db ia
Ex db ia
Ex db ia
Ex db ia
Flameproof enclosure with internal intrinsically safe circuits "db ia"
IIC
IIC
IIC
IIC
Gas group, suitable for gas groups IIC, IIB and IIA
1/2
1/2
1/2
1/2
Equipment category 1/2
2222
Equipment category 2
Ga/Gb
Ga/Gb
Ga/Gb
Ga/Gb
EPL, suitable for zone 0 / zone 1
Gb
Gb
Gb
Gb
EPL, suitable for zone 1
T6...T1
T6...T1
T6...T1
T6...T1
Temperature class, suitable for temperature classes T6 ... T1