WSS, WSSX series of double-metal thermometer CE approved WSS, WSSX series of double-metal thermometerBimetal thermometer is a measuring gauge which used ... ,foodstuffs,vessel,for measuring and controlling thetemperature.WSSX series bimetal thermometer can send out the message when thetemperature reachor exceed the ... : -40 °C ~ +600 °C WSS, WSSX series of double-metal thermometer