<
Operation via
HART handheld
I
O
DXR 75 (Ex version,
3
only for intrinsically safe
current circuits)
➀
Ultrasonic transmitter Prosonic Flow 93 in:
EEx de [ia] IIC/IIB T6 or EEx d [ia] IIC/IIB T6
PROline Ex d housing in IP 67
PROline Ex d housing in: EEx d resp. EEx de
(an appropriate cable entry is to be selected, depending on
the explosion protection type)
➁
Flow measuring sensors Prosonic Flow P (Clamp On) in:
EEx ib IIC/IIB T1-T6
Ex ibD 21 T1-T6
Sensor housing in IP 68
For ambient and medium temperature ranges and tempera-
ture class, resp. surface temperature see Page 3.
The interconnection of components
II2(1)GD SYST EEx ia/ib IIC/IIB.
➅
For number references
2
Hazardous area
II2GD
➄
➁
➄
➂
➄
➃
Zone 1 / Zone 21
Hazardous area
➀
➄
and
with sensors
➆
and
see Page 17.
➀
r
➅
Esc
-
+
E
➆
➀
r
➅
Esc
-
+
E
➆
➀
r
➅
Esc
-
+
E
➆
➂
Sensor velocity measuring sensors Prosonic Flow DDU 18
(Clamp On) in:
EEx ib IIC/IIB T1-T6
Ex ibD 21 T1-T6
Sensor housing in IP 68
➃
Wall thickness measuring sensor Prosonic Flow DDU 19
(Clamp On) in:
EEx ib IIC/IIB T6
Ex ibD 21 T1-T6
Sensor housing in IP 67
➄
For safety reasons the max. cable length is 30 m.
For interconnection between transmitter and sensors only
prefabricated Endress+Hauser cables shall be used.
Replace defective cables with new cables.
➁
➂
➃
,
or
forms the intrinsically-safe system of code
PROline Prosonic Flow 93
II3GD
Operation via
HART handheld
DXR 375 (only for
non-intrinsically safe
current circuits)
EX
Zone 2 / Zone 22
Endress+Hauser
Safe area
I
O
EX
Safe area