Accurate to within 1% RH there is no finer precision scientific instrument to accurately measure humidity than this German made Hair Hygrometer. Easy to recalibrate, simply breathe on it to see it move !

Diameter 100mm.

A precision analogue Thermometer designed to provide precise readings of temperature in both Fahrenheit & Centigrade.

Diameter 100mm.

Due to popular demand we have designed a combined, precision Thermo/Hygrometer which enables you to accurately measure both humidity and temperature at a glance. Easy to re-calibrate. Just breathe on it to see it move ! The Rolls Royce of instruments.