What is the main advantage of non-contact level measurement technologies such as ultrasonic and radar?
A. They are less expensive than contact technologies
B. They are more accurate than contact technologies
C. They can be used with any type of fluid
D. They do not require direct contact with the fluid
Answer:D
What is the main advantage of non-contact level measurement technologies such as ultrasonic and radar?
A. They are less expensive than contact technologies B. They are more accurate than contact technologies C. They can be used with any type of fluid D. They do not require direct contact with the fluid
Explanation: Non-contact level measurement technologies such as ultrasonic and radar do not require direct contact with the fluid, which can be advantageous in certain applications where direct contact is not possible or desirable.