How Do Kettles Know When To Turn Off. In other words the strip is not detecting the temp of. Fortunately it had a plastic top that I could drill a hole in and put a cork in.
The steam passes through these vents to reach the switch thereby the kettle will not actually switch off the current until the water is actually boiling Source. This is bistable which means it has two states- hot and cold. Does it sense when the water has boiled and know to turn itself off.
Also the bimetallic strip probably isnt designed to turn off at boiling temperature at sea level but a different lower temp since the strip is in the base of the kettle underneath the heating element.
It doesnt detect how much water is in the kettle. The main problem with the electrical kettle concept has always been how to. Because a kettle is a sealed unit the temperature rises quickly within and pretty soon the water boils. I have just taken my kettle apart as its old and isnt working properly and it has a thermostat metal plate resting against a switch that turns the.
