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.
It has an operating temperature range of -55°C to +125°C and is accurate to ±0.5°C over the range of -10°C to +85°C.
Each 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.
- Chipset : 18B20 temperature sensor
- Working voltage : DC 5v
- Resolution adjustment range : 9-12 bits
- Temperature range : -55℃ to +125℃
- Measurement accuracy : 0.5℃
- Output Signal : Digital
- Size : 28mm x 12mm x 10mm