Emerson 2120 - Technical Data

Quick Start Guide
25
December 2016
Aggressive substances – e.g. acidic liquids or gases that may attack metals or
solvents that may affect polymeric materials.
Suitable precautions – e.g. regular checks as part of routine inspections or
establishing from the material’s data sheet that it is resistant to specific
chemicals.
7. The Rosemount 2120 meets the requirements of clause 6.3.12 (Isolation of
circuits from earth or frame) in EN 60079-11 (IEC 60079-11).
8. Technical data:
a. Coding:
ATEX: II 1 G D, Ex ia IIC T5...T2 Ga, Ex ia IIIC T85 °C...T265 °C Da
IECEx: Ex ia IIC T5...T2 Ga, Ex ia IIIC T85 °C...T265 °C Da
b. Temperature:
2120***H*I1**, 2120***H*I7**:
Minimum ambient air temperature (Ta) = –40 °C
Minimum process temperature (Tp) = –40 °C
2120***K*I1**, 2120***K*I7**:
Minimum ambient air temperature (Ta) = –40 °C
Minimum process temperature (Tp) = –40 °C
c. Input parameters:
NAMUR electronics:
Ui =15 V, Ii = 32 mA, Pi = 0.1 W, Ci = 12 nF, Li = 0.06 mH
8/16 mA electronics:
Ui = 30 V, Ii = 93 mA, Pi = 0.65 W, Ci = 12 nF, Li = 0.035 mH
d. Materials:
See the Rosemount 2120 Product Data Sheet
or Reference Manual.
e. Year of manufacture: printed on product label
Gas (Ga) and Dust (Da)
Temperature
classes
Maximum surface
temperature (T)
Maximum ambient air
temperature (Ta)
Maximum process
temperature (Tp)
T5, T4, T3, T2, T1 T85 °C 80 °C 60 °C
T4, T3, T2, T1 T120 °C 60 °C 115 °C
T3, T2, T1 T155 °C 50 °C 150 °C
Gas (Ga) Dust (Da)
Temperature
classes
Maximum
ambient air
temperature
(Ta)
Maximum
process
temperature
(Tp)
Maximum
surface
temperature
(T)
Maximum
ambient air
temperature
(Ta)
Maximum
process
temperature
(Tp)
T5, T4, T3, T2, T1 80 °C 60 °C T85 70 °C 60 °C
T4, T3, T2, T1 60 °C 115 °C T120 60 °C 115 °C
T3, T2, T1 50 °C 150 °C T155 50 °C 150 °C