Level measurement

Instrument selection within the measuring principle

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Endress+Hauser DC App The app offers comfortable access to several thousand DC values for all kinds of different media. You can search by the name of the medium or the chemical formula. The autocomplete functionality helps you if you don’t know the exact spelling of the name of your medium.

Dielectric constant (DC value) Compendium

Media group DC value Examples A0

1.2 to 1.4 Butane, liquid nitrogen, liquefies hydrogen

A*

1.4 to 1.9

1)

C

B*

1.9 to 4

C

4 to 10

D

> 10

conducting liquids, e.g. aqueous solutions, diluted acids and alkalis

• Measuring range: • Micropilot FMR10/FMR20 up to 20m/66ft • “advanced dynamics“ max. measuring range 70m/229ft • Micropilot FMR6xB up to 80m/262ft •

1) Treat ammonia (NH 3 ) like a medium of group A, i.e. measurement in stilling wells always with FMR54. Alternatively, measurement with guided radar FMP54 respectively FMP51 including option “gastight feedthrough“ * not for Micropilot FMR10/FMR20