| Brand | Unbranded |
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Check the listing for details. ONE 4-20MA 3.0m Range Water Level Transmitter Liquid Level Transducer Sensor NEW. Condition: New. Listed at 50.64 USD. When Po remains constant, the pressure depends on the density and level two variables. When the liquid density is constant, the level will vary linearly with pressure. This signal is amplified directly converted into 4 ~ 20mA.