What is the operating principle of a level transmitter?
A. Resistance measurement
B. Ultrasonic measurement
C. Magnetic measurement
D. All of the above
Answer:D
What is the operating principle of a level transmitter?
A. Resistance measurement B. Ultrasonic measurement C. Magnetic measurement D. All of the above
Explanation: A level transmitter can operate on different principles such as resistance measurement, ultrasonic measurement, and magnetic measurement.