TFA Small Hair Hygrometer Thermograph Charts Any additional rainfall collected in

Any additional rainfall collected in the large copper body of the rain gauge can be measured by pouring into the supplied measuring jar

0-12 Beaufort

Paper size is 300mm x 173mm

Maintains proper operation during power outages via 9V battery back-up

Weather forecast icons based on pressure changes

TFA Small Hair Hygrometer Thermograph Charts Any additional rainfall collected inDescription Features Specification Unlike the spiral hygrometer, which indicates correctly within a certain range of the humidity scale, the synthetic hair hygrometer can be adjusted in such a way that it indicates reliably over the total humidity scale. This small synthetic hair hygrometer is, for that very reason, a high precision instrument. This brass instrument is less than 3 inches in diameter making it ideal for permanent wall mounting in key