LM1830, LM1 Datasheet (National Semiconductor)

LM1830, LM1, Fluid Detector

The LM1830 is a monolithic bipolar integrated circuit designed for use in fluid detection systems The circuit is ideal for detecting the presence absence or level of water or other polar liquids An AC signal is passed through two probes within the fluid A detector determines the presence or absence

LM1830 Features

* Y Y Y Y Y Y Low external parts count Wide supply operating range One side of probe input can be grounded AC coupling to probe to prevent plating Internally regulated supply AC or DC output Applications Y Y Y Y Y Beverage dispensers Water softeners Irrigation Sump pumps Aquaria Y Y Y Y Radiators