The measuring principle is based on the volumetric temperature expansion of the filling liquid in the glass tube. The expansion of the filling liquid is indicated on a scale.
case made of anodised aluminium
bottom stem made of brass
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.