Pointer-type Hygro-Thermometer is widely used in home appliances, greenhouses, hospitals, hotels, agriculture, forestry, aquaculture, chemicals, laboratories, computer rooms, storage, Heritage archives, libraries and family. it provide a clear view of the statistics, there is no need to caculate, it&＃039;s completely power free and pollution free and is really durable. We customize various planar spiral, spiral tube, Temperature-sensitive components, humidity-sensitive components and nonstandard temperature and humidity instrumentation for our customer to their very need.