Ex relevant specifications
64 TTF300
OI/TTF300-EN
12 Ex relevant specifications
Change from one to two columns
12.1 TTF300-E1XX, intrinsic safety ATEX
Explosion protection
The TTF300 complies with the requirements of
ATEX directive 94/9/EC
Approved for use in Zone 0.
Designation
II 1G EEx ia IIC T6 (Zone 0)
II 2 (1) G EEx [ia] ib IIC T6 (Zone 1 [0])
II 2G(1D) Ex [iaD] ib IIC T6 (Zone 1 [20])
EC type-examination test certificate PTB 05 ATEX 2017 X
12.2 TTF300-H1XX, intrinsic safety IECEx
Designation
Ex ia IIC T6
Ex [ia] ib IIC T6
Ex [iaD] ib IIC T6
TTF300-H1XX :
IECEx Certificate of Conformity IECEx PTB 09.0014X
12.3 Safety specifications for Intrinsic Safety
ATEX / IECEx
Temperature table
Permissible ambient temperature range
Temperature
class
Device category 1
use
Device category 2
use
T6
-50 … 44 °C
(-58 ... 111,2 °F)
-50 … 56 °C
(-58 ... 132,8 °F)
T5
-50 … 56 °C
(-58 ... 132,8 °F)
-50 … 71 °C
(-58 ... 159,8 °F)
T4, T3, T2, T1
-50 … 60 °C
(-58 ... 140,0 °F)
-50 … 85 °C
(-58 ... 185,0 °F)
hallo
Protection type intrinsic safety Ex ia IIC (Part 1)
Supply circuit
Measurement current
circuit / passive
transducer (RTD)
Max. voltage
U
i
= 30 V
U
o
= 6.5 V
Short circuit
current
I
i
= 130 mA
I
o
= 25 mA
Max. power
P
i
= 0.8 W
P
o
= 38 mW
Internal inductance L
i
= 0.5 mH
L
i
= 0 mH
Internal
capacitance
C
i
= 5 nF
C
i
= 49 nF
Maximum
permissible
external
inductance
L
o
= 5 mH
Maximum
permissible
external
capacitance
C
o
= 1.55 µF
Protection type intrinsic safety Ex ia IIC (Part 2)
Measurement
current circuit /
active transducer
(TC)
Display interface
Max. voltage
U
o
= 1.2 V
U
o
= 6.2 V
Short circuit
current
I
o
= 50 mA
I
o
= 65.2 mA
Max. power
P
o
= 60 mW
P
o
= 101 mW
Internal
inductance
L
i
= 0 mH
L
i
= 0 mH
Internal
capacitance
C
i
= 49 nF
C
i
= 0 nF
Maximum
permissible
external
inductance
L
o
= 5 mH
L
o
= 5 mH
Maximum
permissible
external
capacitance
C
o
= 1.05 µF
C
o
= 1.4 µF
