Pegasus Astro DewMaster

Pegasus Astro DewMaster


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The 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 device quick and simple to control. Monitor the consumed Amperes and Input voltage on the display.  Optionally, an external sensor will let you know the levels of the relative humidity, temperature and dew point. The temperature sensor also allows automatic dew heater control. Relax as your DewMaster keeps your optics moisture free!

Five channels, Five RCA Outputs

Five powerful MOSFETs (supporting up to 6 Amps each) will ensure they will feed your dew heaters with all the required power. Mosfet transistors ensures no voltage drops in any of the outputs!

Pulse Width Modulation Duty Cycle Control.

PWM control will let you reduce your battery’s power consumption.

Organic LED Display with Red Film

A  128 x 64 pixel Organic LED (red film) screen is used for the device. It will ensure that your night vision will be unaffected.

External Environment Sensor (optional)

The optional PEG-SENSOR-DEWMSTR External high resolution temperature & relative humidity sensor allows you to monitor the environmental conditions of your location. Designed for the DewMaster the sensor can be combined with the dew heater outlets to automatically control the output power levels. With the sensor installed you can leave it to the DewMaster to decide if it is time to turn on your heating elements! You can also monitor the Temperature, Humidity and Dew Point in the DewMaster display screen.

Two pass through DC outputs

Two 12V outputs let you connect additional equipment with less and shorter cables

Easy to Use

Just push down the knob and choose the desired output. Turn the knob (left or right) to control the duty cycle from 0-100%. Simple as that!

Full Digital Operation

The device is 100% digital operated.

Reverse polarity protection

The device was designed to be protected from reverse voltage polarity. No worries if you accidentally reverse connect your power source.

Compact size

Dimensions: 109mm x 74mm x 25mm , Weight 250 grams

    Need Some Help?

    Astrophotography can be a little complicated sometimes and there are a lot of options. If you'd like to check something before you purchase just let us know and we'd be happy to help!