Energy savings can be made by using
a measurement of the moisture
content (dewpoint) of dried air to
control regeneration of driers, so
that regeneration is carried out only
when required.

Alpha Moisture Systems’ Model
DS1200 Dewpoint Hygrometer has
twin alarms that can be set so that
one controls change over of the drier
columns while the second is available
to warn of drier failure.Where more
sophisticated control systems are in
use, the Model AMT Dewpoint
Transmitter, a 4-20mA loop powered
unit, can be interfaced to the control
system, which is then programmed
to control drier regeneration.