WSS Series Bimetallic Thermometer yana aiki bisa ka'ida wanda ginshiƙan ƙarfe daban-daban guda biyu suna faɗaɗa daidai da canjin matsakaici kuma suna sa mai nuni ya juya don nuna karatu. A ma'auni iya auna ruwa, gas da tururi zafin jiki daga -80 ℃ ~ 500 ℃ a daban-daban masana'antu samar matakai.