... hot product cup anemomter packed in safety box WTF-B100 cup anemometer is used in the meteorological observatory (station), ... technical parameters1.Working voltage : AC220V +15%,DC24V2.Relative humidity : 90%3.Working temperature : - 30 °C ~ + 65 °C4 ... Anemometer ,etc. which are researched independently are widely used in electrical, chemical, steel, metallurgy, construction, ports, shipping ...