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Density measurement

∆p

–

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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Wika DPT-10 Manuale Utente Pagina 10