Pressure instrumentation

20 Pressure instrumentation

Non-hygienic applications – Deltabar

Deltabar 7x

FMD71

FMD72

High-performance electronic dp level measurement • Electronic differential pressure • Level

Areas of application

High-performance electronic dp level measurement • Electronic differential pressure • Level

Measuring principle Measuring range Turn down Measuring cell

Electronic differential pressure

Electronic differential pressure

100 mbar to 40 bar (1.5 to 600 psi)

400 mbar to 10 bar (6 to 150 psi)

Up to 100:1

Up to 100:1

Ceramic measuring cell

Metallic measuring cell

Output

• 4 to 20 mA HART®

• 4 to 20 mA HART®

Process temperature

–40 to +125 °C/150 °C (–40 to +257 °F/302 °F) higher temperatures on request single sensor up to ±0.05 %, system up to ±0.075 %

–25 to +125 °C/150 °C (–13 to +257 °F/302 °F) higher temperatures on request single sensor up to ±0.05 %, system up to ±0.075 %

Accuracy

Long-term stability Process connections

≤0.05 %/year ≤0.2 %/10 years

≤0.05 %/year ≤0.1 %/10 years

Thread, flange, flush-mounted connections Modular, 2 chamber housing, dot-matrix display

Thread, flange, flush-mounted connections Modular, 2 chamber housing, dot-matrix display

Features