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DS1820 Waterproof Stainless steel package - DS18b20 temperature probe 18B20 temperature sensor - 1M 2.5mm Jack
The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor. In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.
DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus. Thus, it is simple to use one microprocessor to control many DS18B20s distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment, or machinery, and process monitoring and control systems.Applications: 1. Thermostatic Controls 2. Industrial Systems 3. Consumer Products 4. Thermometers 5. Thermally Sensitive Systems Powering the DS18B20:
The DS18B20 can be powered by an external supply on the VDD pin, or it can operate in “parasite power” mode, which allows the DS18B20 to function without a local external supply. Parasite power is very useful for applications that require remote temperature sensing or that are very space constrained Supply Voltage: +3.0 to +5.5VSpecification: 1. Product: DS18B20 18B20 Temperature Sensor stainless steel proble Waterproof 2. Probe Length: 1M; Connector type: 2.5mm Jack 3. Connector type: open wire 4. Size of Stainless steel sheath: 6*50mm 5. Supply Voltage: +3.0 to +5.5V 6. Voltage Range on Any Pin Relative to Ground: -0.5V to +6.0V 7. Sink Current: 4mA; Standby Current: 750 to 1000mA; Active Current: 1 to 1.5mA; Input Current: 5 micro Ampere 8. Operating Temperature Range: -55°C to +125°C 9. Storage Temperature Range: -55°C to +125°C