The Digital thermometers we deal in are used to validate the smart temperature transmitter. These find utility in many flowing conditions. These also enable a fruitful calibration of the smart temperature transmitter. Offered are the portable devices, which have been designed to measure the temperature in a RTD-type thermo well. Digital thermometers perform their tasks with the help of thermistor or RTD probe. They are extensively used to record temperatures from rectum, mouth or armpit. Accurate readings these offer are reliable on every ground.