Associated Isolating Amplifiers - WIKA 831 Manual De Instrucciones

9. Specifications
Safety-related maximum values
Contact version
831
831-N
831-SN
EN
831-3.5N
831-3.5S1N
831-3.5SN
Permissible temperature ranges
Contact version
831
831-N
831-SN
831-3.5N
831-3.5S1N
831-3.5SN
For further information see annex "EU declaration of conformity"

9.4 Associated isolating amplifiers

Model
904.28 KFA6 - SR2 - Ex1.W
904.29 KFA6 - SR2 - Ex2.W
904.30 KHA6 - SH - Ex1
904.33 KFD2 - SH - Ex1
The above mentioned isolating amplifiers are examples. Other isolating ampli-
fiers can also be used, provided that the safety-related maximum values are
observed.
24
Ui Ii
20 V 60 mA
16 V 25 mA
16 V 25 mA
16 V 25 mA
16 V 25 mA
16 V 25 mA
T6
-20 ... +60 °C
-20 ... +60 °C
-20 ... +60 °C
-20 ... +60 °C
-20 ... +60 °C
-20 ... +60 °C
Number of contacts
1
2
1
1
Pressure gauges with inductive contact model 831, for hazardous areas
Pi
130 mW
64 mW
64 mW
64 mW
64 mW
64 mW
T5 ... T1 T95°C
-20 ... +70 °C -20 ... +70 °C
-20 ... +70 °C -
-20 ... +70 °C -
-20 ... +70 °C -
-20 ... +70 °C -
-20 ... +70 °C -
safety equipment
no
no
yes
yes
Ci Li
250 nF 350 µH
30 nF 100 µH
30 nF 100 µH
50 nF 250 µH
30 nF 100 µH
30 nF 100 µH
T135°C
-
-20 ... +70 °C
-20 ... +70 °C
-20 ... +70 °C
-20 ... +70 °C
-20 ... +70 °C