Dew Heater Controllers

DewZap

DewZap is our Dual Channel Dew Heater Controller. Simple to use, powerful and very compact is your best companion against the dew during long astro – nights.

DewMaster

DewMaster was made for the visual astronomer. Connect up to five dew heaters and control them individually using PWM duty cycle. 

Full digital operation and a high resolution red film display makes the control of the device quick and simple. Measure consumed Amperes and Input voltage by a glimpse of an eye. Optionally, an external temperature and humidity sensor will let you know the levels of the relative humidity , temperature and dew point. Automatic dew heaters control will let you relax as you know that in case of high levels of humidity your optics will be moisture free!