Density measurement
Fig. 5: Density measurement with DPT10, h = defined mounting distance, Δp =
differential pressure, ρ = density of the medium, g = acceleration of gravity
1 DPT10
Interface measurement
Fig. 6: Interface measurement with DPT10
1 DPT10
2 Liquid with highest density
3 Liquid with lowest density
A metallic measuring cell is used as sensor element. The process
pressures are transmitted via separating diaphragms and filling oils to
the resistance measuring bridge (semi-conductor technology). The
differential-pressure dependent change of the bridge voltage is
measured, further processed and converted into a corresponding
output signal.
Functional principle
10 Differential pressure transmitter DPT10 - metal measuring diaphragm • Profibus PA
3 Product description
37245-EN-100120
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