Capacitance level sensors face typical limitations when the liquid has which characteristic?

• A. It relies on ultrasonic reflections to determine level.
• B. Capacitance changes with liquid dielectric; limitations include foaming liquids, dielectric variability, temperature effects, and dirty media.
• C. It measures hydrostatic pressure to infer level.
• D. It uses a float to drive a reed switch.

Answer: (B)