Ultrasonic flow meter
SU2020 SU8020 SU2021 SU8021 SU2621 SU8621
13
1
L
1 BN
2 WH
4 BK
3 BU
L+
2
L
1 BN
2 WH
4 BK
3 BU
L+
4
L
1 BN
4 BK
2 WH
3 BU
L+
3
L
1 BN
2 WH
4 BK
3 BU
L+
Fig. 5: Circuit examples
1:
2 x positive switching
2:
2 x negative switching
3:
1 x positive switching / 1 x analogue
4:
1 x negative switching / 1 x analogue