Bi-Metal Thermometer 0 +120 /1 Celsius degrees Round red scale with needleBi-metallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals which expand at different rates as they are heated.Celsius scale.Measurements:Round red scale with needleScale diameter: 45mm approximately.Stem length: 125mm approximately.Stem diameter: 4mm approximately.Total length: 140mm approximately.Including:1 Bi-Metal Thermometer.1 Red plastic packing tube.
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