· Humidity and temperature measurement for air ducts

· Minimum and maximum humidity memory

· 0…10V, 0…20mA or 2…10V, 4…20mA measuring signals selectable with jumpers

· Optional alternative signal ranges programmable

· Selectable averaging signal

· Optional external display device (OPA-S)

· Humidity & temperature measurement for supply and return air ducts in heating,  ventilation and air conditioning applications.

· Recording of minimum and maximum values for critical environments

· Supervision of critical humidity