Air gap sensor
SDP110
15
5.6 Measuring nozzle geometry
In order to achieve an optimal measuring performance of the unit, the measuring nozzles should have
the following characteristics:
•
The measuring nozzle is 1.5 times longer than its diameter at the outlet.
•
The access bore hole of the measuring nozzle has 2.5 x the diameter of the measuring nozzle at
the outlet.
•
Expanding the access bore hole to an angle of 120°.
•
The outlet of the measuring nozzle is sharp-edged.
4
2
3
Ø
1
Ø
2,5
1,5
120°
1
Fig. 8: Example of a measuring nozzle with Ø 1 mm
1:
Measuring nozzle length
2:
Measuring nozzle outlet
3:
Widening of the access bore hole
4:
Access bore hole of the measuring nozzle