... to help you get the exact model, please offer the following necessary info.:1, The application of the ds18b20 sensor:__________2, Working ... operation temperature:___°c to ___°c4, The dimension and the drawing of the sensor- cable length___,probe material ___, probe ... us and we will send you the detailed specification. (UL/ROHS/SGS) 2012 Newly Design Water Proof Digital Temperature Sensor DS18b20