... sensor DS18b20: 1.Multidrop capability simplifies distributed. 2.Zero standby power required. 3.ROHS DIGITAL TEMPERATURE SENSOR Display Unit:Features:· Unique ... : DHL, TNT, UPS, FEDEX, EMS etc.Logistic suggestion** 1-50KG,by courier** 50-100KG,by air** Above 100KG,by ... the exact model, please offer the following necessary info.:1, The application of the ds18b20 sensor:__________2, Working environment ...