The LM1830 by National Semiconductor is a Fluid Detector. Below is the official datasheet preview.
| Part number | LM1830, LM1 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 150.56 KB |
| Description | Fluid Detector |
| Datasheet |
 LM1-830.pdf
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| Note |
This datasheet PDF includes multiple part numbers: LM1830, LM1. Please refer to the document for exact specifications by model. |
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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 of the fluid by comparing the resistance of the fluid between the probes with the resistance internal to the integrated circuit An AC signal is used to overcome plating problems incurred by using a DC
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