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DS18B20 Temperature Sensor

one wire digital temperature sensor ds18b20

1. digital temperature sensor
2. one wire bus interface
3. Multi-point temperature measurements

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DS18B20 is single intelligent temperature sensor,produced by DALLAS semiconductor companies in the United States.It belongs to a new generation of adaptive intelligent temperature sensor, and can directly convert temperature signal to the serial digital signals for computer processing.Using strict welding and assembly process, improve the measurement precision, longer service life.


1.Digital signal output

2.Temperature sensing quickly,Accurate ,Temperature measurement Accurately

3.Impact resistance, strong waterproof, long service life

4.Without external components, the unique single bus interface

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( Customized for you )



Digital chip


Power supply3.0~5.5VDC
Resolution ratio 9~12 bit
temperature range-50~+125℃
Probe size
probe materialStainless steel
ConnectorMolex,JST,DuPont,CWB,CJT,U type etc.
heat-shrinkable sleevePVC tube;glass fiber tube;teflon tube
Connection modeBlack:GND  Yellow:DATA  Red:VDD+