Rosemount 3144 - Page 60

Rosemount Models 3144 and 3244MV Smart Temperature Transmitters
5-4
Input Entity Parameters:
Special Conditions for Safe Use (x):
The equipment has been assessed to the “Entity” concept. The
Entity Parameters must be taken into account during installation.
Centro de Pesquisas de Energia Eletrica (CEPEL) Approval
IE Intrinsic Safety
BR-Ex ia IIC T6 (T
amb
=60°C)
Input Entity Parameters:
Special Conditions for Safe Use (x):
The transmitter can only be mounted in an area where it is
protected against mechanical impacts. Only the sensor (T/C or RTD)
can be mounted in Zone 0.
Japanese Industrial Standard (JIS) Flameproof Certification
E4 Without optional meter:
Ex d IIB T6 (T
amb
=60°C)
With optional meter:
Ex d IIB T4 (T
amb
= 60 °C)
GOSTANDART
Tested and approved by Russian Metrological Institute
GOSTANDART.
Power/Loop Sensor
U
max:in
=30Vdc U
max:in
=4.5Vdc
I
max:in
=300mA I
max:in
=51mA
P
max:in
=1.0W P
max:in
=0.057W
C
eq
= 0.005 µF U
max:out
= 24.2 V dc
L
eq
=20µH I
max:out
=35mA
P
max:out
=0.041W
C
a
= 0.2 µF (Group IIC)
L
a
=31mH(GroupIIC)
C
a
= 0.6 µF (Group IIB)
L
a
=93mH(GroupIIB)
C
a
= 1.6 µF (Group IIA)
L
a
= 248 mH (Group IIA)
Power/Loop Sensor
V
max
=30Vdc V
t
= 10.7 V dc
I
max
=130mA I
t
=15.3mA
P
max
=1.0W P
max
=40mW
C
i
=5nF C
a
=2.23µF
L
i
=0.02mH L
a
=140mH