Level measurement

Contents

5

Contents

1. Overview of measuring principles

6

A

2. Checklist

12

3. Selection of the measuring principle according to the application 14 • Horizontal cylindrical storage tank 14 • Vertical storage tank 16 • Buffer tank 18 • 20 • Process tank with agitator 22 • Stilling well 24 • Bypass 26 • Pump shaft / overfall construction / rain water basin 28 • Channel measurement (free flowing) 30 • Interface measurement 32 • IIoT Radar (not included in this selection guide): Cloud based IIoT level sensor for mobile applications or remote measuring points for liquids and bulk solids. Data transmission via cellular communication (NBIoT, LTE-M and 2G fallback). Data management in SupplyCare Hosting and Netilion (E+H cloud services). Detailed information is available from our application specialists or at www.endress.com/FWR30.

B

4. Instrument selection within the measuring principle

34 34 68 74 80 84 88

• Radar

C

• Guided radar • Ultrasonics • Capacitance

• Servo

• Hydrostatics (pressure/differential pressure)

• Radiometry: The radiometric measuring principle is not considered in this section. Please contact our application consultants in your country for detailed information.