Sunrise Eco basaltest Mercury thermometer The thermometer Basal and a thermometer of extreme precision, which indicates the exact body temperature. Special thermometer to control the menstrual cycle and for natural family planning (NFP). Mercury Free How does this thermometer and how exactly is the basal thermometer Geratherm? Just like a mercury thermometer, Geratherm basal thermometer detects the slightest changes in body temperature. Its accuracy is confirmed and controlled by the National Measurement and Calibration of Thuringen. It is authorized to bear the CE mark 0118. We work with a system of quality control ISO 9002, certified by TUV (Office of Technical Control Board) of Thuringia. Who should exercise a basal thermometer? Women who wish to learn about the fertile period to conceive or avoid pregnancy. Characteristics The liquid used (Galinstan) is non-toxic. So, in case of breakage of the thermometer, it is sufficient to clean with warm soapy water - contrary to mercury which is toxic. Galinstan can not be put in contact with noble metals or light, it is established as a reaction. The thermometer should be stored at a temperature which must not be lower than -15 ? C and above 39 ? C. Before proceeding to the measurement of the temperature control if the pedestal is located below the notch of 36 ? C. Cleaning and disinfenzione The basal thermometer is equipped with a casing hygienic glass hermetically sealed and can be disinfected without limitations. The temperature of the cleaning solution and disinfectant must not be higher than 39 ? C. Lower temperatures make the breaking of the thermometer. The basal thermometer \"Geratherm'B mercury\" is a safe and efficient and needs no batteries to replace. METHOD 'GUIDE After the measurement, return the column to below the mark of 36 ? C, taking the thermometer at the upper end and performing semi-circular movements. This movement, as a result of the density of the measuring fluid, lower than that of mercury, to be repeated often (about 20 times). When and where you should contollare temperature? The temperature is detected at the same time every morning, before getting up, putting the thermometer under tongue for at least 3 minutes. Before measuring the temperature you should not eat, drink or smoke. You can also measure the temperature rectally. In this case, the measurement time should be 3 minutes. You have to decide, however, which is the method you want to use to have a uniformity of detection. The temperature is shown in the table provided with the thermometer.