Siemens SITRANS T Series - Page 208

ATEX/IECEx and others SITRANS TH/TR SITRANS TF Display
• "Flameproof enclo‐
sure Ex d/dust explo‐
sion protection by en‐
closure Ex tb/tc" type
of protection
- Zone 1/21/22 -
Name
• ATEX
- II 2 G Ex db IIC T6 ... T4 Gb
II 2 D Ex tb IIIC T100°C Db
II 3 D Ex tc IIIC T100°C Dc
-
• IECEx
- Protection against explosion db
IIC T6 ... T4 Gb
Protection against explosion tb
IIIC T100°C Db
Protection against explosion tc
IIIC T100°C Dc
-
• EACEx
- 1Ex d IIC T6…T4 GbX
Ex tb IIC T100°C Db X
-
Output terminals
SITRANS TF single
chamber housing: 1, 2
SITRANS TF dual cham‐
ber housing: (+) and
(-)
- U
max
= 37 V DC -
• Permissible ambi‐
ent temperature
- -50 … +85 °C (-58 … +185 °F)
Temperature class T4
1)
-50 … +60 °C (-58 … +140 °F)
Temperature class T6
1)
SITRANS TF with local display
-40 °C
-
1)
A SITRANS TF display or a SITRANS TF in a dual chamber housing has the minimum permissible ambient temperature of -40 °C.
See also
Certi󹪝cates (
http://www.siemens.com/processinstrumentation/certi󹪝cates)
Technical data
12.2 SITRANS TH320/TH420/TR320/TR420/TF320/TF420
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
208 Operating Instructions, 05/2020, A5E41864807-AB