Electronic thermometer in the role of the solar water heater

Now many families are using the solar energy water heater, greatly saves energy, but in the use of one problem: the temperature of the hot water in water tank is usually based on weather conditions and estimated the usage of hot water. Sometimes the weather is not very good, the solar water heater in the hot water temperature is low, especially in winter, put a long time to find water temperature is low, can't take a shower, the wasted water; Although sometimes the water temperature is higher, but one person after washing, don't know the rest of the hot water is still enough others to wash; Sometimes during the day with hot water is more, but there was no hot water at night. This would require the home to install a electronic thermometer, solar hot water tank temperature detected directly, so that you can accurately using solar hot water, this will greatly facilitate our life, also make solar hot water to a higher utilization. To use electronic thermometer, can effectively to monitor the temperature of solar hot water within the tank to save energy, improve the convenience for people's life.