Thermal resistance R
Temperature detecting device
Type
Thermocouple
Thermocouple
Thermocouple
Thermocouple
Resistance thermometer
Resistance thermometer
Resistance thermometer
Resistance thermometer
Output P
of ABB temperature transmitters
o
Type
TS 02-Ex
TH 02-Ex
TF 12-Ex
All further information necessary for the proof of the inherent safety (Ui, Ii, Pi, Li, Ci etc.) can
be taken from the data sheets of the respective types of transmitter.
A maximum allowed power in dependence to the temperature category
Indication of temperature category according to DIN EN 50014 and DIN EN1127-1 for zone 0.
2.2.1 Resistance temperature detecting device without protecting well
(separative element) for zone 0
∅ 3mm
Temperature
category/
temperature
[ °C ]
Power Pi ( Po )
[W]
DMW
0
T6/ 64
0,15
T5/ 76
0,23
T4/104
0,44
T3/156
0,88
T2/232
1,50
T1/352
-
Tabelle 2-1
DMW: wire multiplier resistor, SMW: layer multiplier resistor
GB 6
th
Diameter
[mm]
3
3
6
6
3
3
6
6
Approval
II 2(1) G EEx [ia] ib IIC T6
II 2 G EEx [ia] ib IIC T6
II 2 G EEx ia IIC T6
Surface
temperature
[°C]
SMW
DMW
0
40
0,12
64
0,19
76
0,36
104
0,66
156
1,22
232
1,50
-
SensyTemp MI, IS
With protect-
ing well
x
x
x
x
EC-Type-examination
certificate
PTB 01 ATEX 2035 X
PTB 99 ATEX 2139 X
ZELM 99 ATEX 0021
∅ 6 mm
Power Pi ( Po )
[W]
SMW
DMW
40
0
64
0,34
76
0,50
104
1.00
156
1,50
232
-
250
-
Without pro-
R
th
tecting well
[K/W]
24
x
28
16
x
20
80
x
200
40
x
84
P
[mW]
o
20
20
26
Surface
temperature
[°C]
SMW
DMW
0
40
0,28
64
0,43
76
0,80
104
1,50
130
-
-
-
-
42/10-59 XU
SMW
40
64
76
104
146
-
-