6 TTF200 FIELD-MOUNT TEMPERATURE TRANSMITTER | OI/TTF200-EN REV. B
… 2 Use in potentially explosive atmospheres in accordance with
ATEX and IECEx
Temperature data
Transmitter
ATEX / IECEx intrinsic safety
Temperature class Permissible ambient temperature range
Device category 1 use Device category 2 / 3 use
T6 −40 to 44 °C
(−40 to 111.2 °F)
−40 to 56 °C
T4-T1 −40 to 60 °C
(−40 to 140.0 °F)
−40 to 85 °C
ATEX / IECEx Flameproof (Enclosure)
Temperature class Permissible ambient temperature range on the
T6 −40 to 67 °C (−40 to 152 °F)
T4 to T1 −40 to 85 °C (−40 to 185 °F)
LCD indicator
ATEX / IECEx intrinsic safety
Temperature class Permissible ambient temperature range
Device category 1 use Device category 2 / 3 use
T6 −40 to 44 °C
(−40 to 111.2 °F)
−40 to 56 °C
T4-T1 −40 to 60 °C
(−40 to 140 °F)
−40 to 85 °C
Electrical data
Transmitter
Intrinsic safety type of protection Ex ia IIC (Part 1)
Supply circuit
Max. voltage U
i
= 30 V
Short-circuit current I
i
= 130 mA
Max. power P
i
= 0.8 W
Internal inductance L
i
= 160 µH
Internal capacitance C
i
= 0.57 nF
Intrinsic safety type of protection Ex ia IIC (Part 2)
Measurement current circuit
Resistance
Thermocouples, voltages
Max. voltage U
o
= 6.5 V
U
o
= 1.2 V
Short-circuit current I
o
= 17.8 mA
I
o
= 50 mA
Max. power P
o
= 29 mW
P
o
= 60 mW
Internal inductance L
i
= 0 mH
L
i
= 0 mH
Internal capacitance C
i
= 118 nF
C
i
= 118 nF
Maximum permissible
external inductance
L
o
= 5 mH
L
o
= 5 mH
Maximum permissible
external capacitance
C
o
= 1.55 μF
C
o
= 1.05 μF
Intrinsic safety type of protection Ex ia IIC (Part 3)
LCD indicator interface
Max. voltage U
o
= 6.2 V
Short-circuit current I
o
= 65.2 mA
Max. power P
o
= 101 mW
Internal inductance L
i
= 0 mH
Internal capacitance C
i
= 0 nF
Maximum permissible
external inductance
L
o
= 5 mH
Maximum permissible
external capacitance
C
o
= 1.4 μF