DP / Flow

Square-root extraction checker

Q / Qmax = √(ΔP / ΔPmax)
Ideal DP flow relationship · zero-based ranges

Configured ranges

Meter setup · these values define the measurement ranges

DP at maximum flow

mbar

Maximum flow

m³/h

Calculation

Live values · edit either field to calculate the other

Applied DP

mbar

Actual flow

m³/h

DP (% of span)—

Flow (% of span)—

Expected linear DP signal—

Expected square-rooted flow signal—

Signals assume 4–20 mA, zero-based ranges and no low-flow cutoff. Use the linear value if square-root extraction is in the DCS; use the square-rooted value if extraction is in the transmitter. No density or pressure compensation.