FISCHER DE49 A Series, Operating Manual

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2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH
8/36 BA_EN_DE49_A
2.3.1 Type plate
The presented type plates serve to show an example of the information shown.
The data shown is purely fictive, but does correspond to the actual conditions.
For more information, please see the order code at the end of these instruc-
tions.
0044 IBExU09ATEX1164
DE49
II 1/2 G Ex ia IIC T4 Ga/Gb
II 2D Ex ia IIIC T80°C Db
Tamb: -10°C to 60°C
Electrical data: see user manual
Product
Basic measuring range
Pmax.
Output signal
2-wire supply (Ex ia)
Prod. No.
Please note!
Do not separate
while energized
Functional
ground
DE49N6A040BH00MW
0 ... 250 mbar
3 bar
4 ... 20 mA 2-wire
≤ 30 V DC
1705717.01.001
ATEX marking
Order Codes
Technical data
Serial number
Electr. connection Year of construction
Fig. 2: Nameplate
2.4 Function diagram
Transfer
fluid
Safe area
Hazardous area
Zone 0/1/2
Zone 21/22
Supply PE
Ex ia
Zone 21/22
Zone 1/2
1,999 µC
A
GB
3V3
+
Separating
membrane
Pressure sensor
Fig. 3: Function diagram