Type 8221 Hygienic Conductivity Sensor Operating Instructions
Initial operation
This hygienic conductivity sensor has been carefully tested and is ready for use. During
unpacking, please check for any mechanical defects. In case of a complaint please return the
sensor in its original packing to your Bürkert representative and describe the problem.
Electrical Wiring
Insertion type with fixed cable
Signal description
Pt 1000 (low end)
Pt 1000 (low end)
Pt 1000 (high end)
Current electrode (high end)
Potential electrode (high end)
Potential electrode (low end)
Current electrode (low end)
Not connected on sensor
Not connected
Comment
Flush type with Vario-Pin cable plug
Signal description
Pt 1000
Pt 1000
Current electrode (high end)
Potential electrode (high end)
Potential electrode (low end)
Current electrode (low end)
Not connected on sensor
Comment
Sensor cable color
Grey
White
Blue
Pink
Green
Brown
Yellow
Shield
Red
VP-Pin
VP cable colors
E
White
F
Green
B
Red
A
Transparent
C
Grey
D
Blue
Shield
Green/yellow
-
-
Page 2 of 8
Bürkert type 8285
transmitter
18
19
17
1
2
3
4
16
-
Short 4 and 5
Bürkert type 8285
transmitter
17
18
1
2
3
4
16
Short 18 and 19