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Monitor to guard fridge temperature

Monitor to guard fridge temperature
Every week the average housewife stores a fair amount of food in the refrigerator (col- loq.UK:fridge). The low temperature in the fridge ensures that the food remains fresh for a couple of days at least. But what happens if the temperature in the fridge unbeknown to the family is not as low as it should be? There is then a risk of the food going off. This sort of situation may be avoided with the monitor described in this article. With the aid of three LEDs, it shows at a glance whether the inside temperature is too low, too high or right.
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