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LM903 Datasheet

Fluid Level Detector

Manufacturer: National Semiconductor (now Texas Instruments)

LM903 Overview

The LM903 uses the thermal-resistive probe technique to measure the level of nonflammable fluids A low fluid level is indicated by a warning lamp operating in continuous or flashing mode All supervisory requirements to control the thermal-resistive probe including short and open circuit probe detection are incorporated within the device The circuit has possible applications in the detection of hydraulic fluid oil...

LM903 Key Features

  • 18V supply range Internally regulated supply b 40 C to a 80 C operation

LM903 Applications

  • 18V supply range Internally regulated supply b 40 C to a 80 C operation

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