‹ Level

Interface Level

DP interface measurement between two liquids

Interface Level
Transmitter = 0 cm · Above = + · Below = −

Measurement Range

450 cm

Vessel Geometry

Upper Liquid

Lower Liquid

Reference Leg

Transmitter Range

LRV
URV
Span

Interface Sensitivity

DP Change

Hydrostatic calculation · P = ρgh

Interface level measurement diagram