CPC G01F 23/284 (2013.01) [G01F 23/04 (2013.01); G01F 23/245 (2013.01); G01F 23/263 (2013.01); G01N 23/06 (2013.01); G01N 23/10 (2013.01); G01N 33/2847 (2013.01)] | 19 Claims |
1. A fluid sensor system, comprising:
a fluid sensor, comprising:
a radio frequency transmitter, configured to output radio frequency signals at adjustable levels of transmit power into a fluid;
a radio frequency detector, configured to detect the radio frequency signals transmitted by the radio frequency transmitter into the fluid;
a first constant current source; and
a first switch coupled between the radio frequency detector and the first constant current source, wherein the fluid sensor is configured to be submerged as a whole into the fluid; and
a microcontroller coupled to the fluid sensor by a mono-conductor cable.
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