Faithfull FAITHHUMID Humidity Dial (Hygrometer) This Faithfull Humidity Dial is a small but accurate hygrometer, which is suitable for use in most areas where monitoring the humidity is essential. The humidity dial measures humidity from 0 to 100%, enabling you to see at a glance if a room is too dry or too damp. It is ideal for use in incubators, cellars and storage areas.
