Instruction manual
SITRANS TW
A5E00054075-05
121
Technical data
5.1 Sensor types / Measuring range / Digital accuracy /
Line resistance
Table 2 Resistance thermometer (line resistance = 1 x supply line + 1 x return line)
*) not for difference or average circuit
Table 3 Resistance thermometer (line resistance = 1 x supply line + 1 x return line)
*) The accuracy specification refers to the greatest error over the whole measuring range
Table 4 Thermocouples
Sensor type Measuring
range
in °C
Accuracy
in °C
maximum
permissible line
resistance in ohms
Current for break
detection
Pt10 DIN-IEC
Pt50 DIN-IEC
Pt100 DIN IEC
Pt200 DIN IEC
Pt500 DIN IEC
Pt1000 DIN IEC 751
-200 to 850
-200 to 850
-200 to 850
-200 to 850
-200 to 850
-200 to 850
3.00
0.60
0.30
0.60
1.00
1.00
20
50
100
100
100
100
I
1
I
1
I
1
I
1
I
2
I
2
Pt10 JIS C 1604-81
Pt50 JIS C 1604-81
Pt100 JIS C 1604-81
-200 to 649
-200 to 649
-200 to 649
3.00
0.60
0.30
20
50
100
I
1
I
1
I
1
Ni50 DIN 43760
Ni100 DIN 43760
Ni120 DIN 43760
Ni1000 DIN 43760
-60 to 250
-60 to 250
-60 to 250
-60 to 250
0.30
0.30
0.30
0.30
50
100
100
100
I
1
I
1
I
1
I
2
Sensor type Measuring range
in ohms
Accuracy
in ohms
maximum
permissible line
resistance in ohms
Current for
break detection
resistance
(linear)
0 to 24
0 to 47
0 to 94
0 to 188
0 to 375
0 to 750
0 to 1500
0 to 3000
0 to 6000
*)
0.08
0.06
0.06
0.08
0.10
0.20
1.00
1.00
2.00
5
15
30
50
100
100
75
100
100
I
1
I
1
I
1
I
1
I
1
I
1
I
1
I
2
I
2
Sensor type
Measuring range in °C
Accuracy in °C
*)
Current for break detection
Type B
Type C
Type D
Type E
Type J
Type K
Type L
Type N
Type R
Type S
Type T
Type U
0
0
0
-200
-210
-200
-200
-200
-50
-50
-200
-200
to
to
to
to
to
to
to
to
to
to
to
to
1820
2300
2300
1000
1200
1372
900
1300
1760
1760
400
600
3
2
1
1
1
1
2
1
2
2
1
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2
I
2