DS18B20 vs PT100 Temperature Sensor

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	DS18B20 Temperature Sensor	PT100 Temperature Sensor
Measurement Principle	Commonly used digital temperature sensors, with digital output signals. It has small size, low hardware overhead, high interference immunity and high accuracy.	A platinum RTD whose resistance varies with temperature. At 0°C the resistance is 100 ohms and increases approximately uniformly as the temperature rises.
Range	-55℃~125℃	-200~400℃
Accuracy	±0.5℃ (over the range -10℃ to +85℃)	±（2%+1℃）
Communication Protocols	Single Bus Protocol	MODBUS RTU
Working Voltage	3~5.5V	DC5~12V
Probe Material	Stainless steel	Stainless steel
Applicable Device	WS1、WS1 Pro、GS1-DS、GS2、SP1	WS1 Pro、GS1、SP1