What is the principle of operation for differential pressure level transmitters?
A. Conductivity
B. Capacitance
C. Buoyancy
D. Pressure
Answer:D
What is the principle of operation for differential pressure level transmitters?
A. Conductivity B. Capacitance C. Buoyancy D. Pressure
Explanation: Differential pressure level transmitters work on the principle of measuring the pressure difference between two points in the tank.