Hair Synthetic Hygrometer – Precision Humidity Measurement with Synthetic HairWeather Instrument made in Germany made to measure healthy Living Where you own your own home, you are you renting, home humidity levels are important. Especially when you live in a humid climate like Auckland (NZ), Sydney (Australia), Singapore or further afield. I have sold this model regularaly to people wanting to protect their musical instruments EG guitars , violins etc. For indoor measurements and in low humidity synthetic hygrometers are