Davtron Temperature ProbesLinear Current Output : 1uA/K (AD590KH/ Analog sensor)Wide Temperature Range: -55°C to 150°C (AD590KH/ Analog sensor)2-Terminal Device: Voltage in/current out: (AD590KH/ Analog sensor)Wide Power Supply Range: 4 to 30 Volts (AD590KH/ Analog sensor)Unique 1-Wire® interface requires only one port pin for communication (D307PS/ Digital sensor)Can be powered from data line. Power supply range is 3.0V to 5.5V (D307PS/ Digital sensor)Measures temperatures from -55°C to +125°C (-67°F to +257°F) ±0.5°C accuracy from -10°C to +85°C5V (DS18B20/ Digital sensor)Requires no external components 5V (D307PS/ Digital sensor)Probe Case & Nut Nickel PlatedProbe DO160 Salt-fog Tested