Pegasus Astro DewMaster - 5 Channel Digital Dew Heater Controller

Starting Price: $208.89
Price as Configured: $208.89
Brand: Pegasus Astro / SKU: PEG-DEWMASTER

The Pegasus Astro iDewMaster is a must for the visual astronomer. You can power and control up to five dew heaters at once. The DewMaster a digitally-operated dew controller that uses a PWM duty cycle to allow for connection and individual control of each user-supplied dew heater. Full digital operation and a high resolution red film display makes the control of the device quick and simple. You can measure consumed amps and input voltage visually. Optionally, an external temperature and humidity sensor will let you know the levels of the relative humidity, temperature and dew point. Automatic dew heater controls protect your optics in case of high humidity.


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PEG-SENS-DEWMSTR - Pegasus Astro High Accuracy Digital Temperature/Humidity Sensor for DewMaster
PEG-SENS-DEWMSTR - Pegasus Astro High Accuracy Digital Temperature/Humidity Sensor for DewMaster
About This Product
External one (1) meter resolution temperature & relative humidity calibrated sensor. Know exactly the environment conditions of your location. The sensor can be auto combined with the dew heater outlets to automatically handle the power levels. Leave it to the DewMaster decide if it is time to turn on your heating elements! You can also monitor the readings of temperature, humidity and dew point in the display screen.
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PEG-SENS-DEWMSTR - Pegasus Astro High Accuracy Digital Temperature/Humidity Sensor for DewMaster
PEG-SENS-DEWMSTR - Pegasus Astro High Accuracy Digital Temperature/Humidity Sensor for DewMaster
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PEG-SENS-DEWMSTR - Pegasus Astro High Accuracy Digital Temperature/Humidity Sensor for DewMaster
About This Product
External one (1) meter resolution temperature & relative humidity calibrated sensor. Know exactly the environment conditions of your location. The sensor can be auto combined with the dew heater outlets to automatically handle the power levels. Leave it to the DewMaster decide if it is time to turn on your heating elements! You can also monitor the readings of temperature, humidity and dew point in the display screen.
PEG-PSU-25 - Pegasus Astro Power Supply Unit 12V/10A - 2.5mm plug (for Ultimate Powerbox v.1 and DewMaster)
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PEG-UPBV2 - Pegasus Astro Ultimate Powerbox v.2 (UPBv.2)
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PEG-UPBV2 - Pegasus Astro Ultimate Powerbox v.2 (UPBv.2)
About This Product

The Ultimate Powerbox v2 (UPBv2 for short) is the successor of Pegasus Astro's Ultimate Powerbox, bringing in many new features. A USB3.1 Hub was added so you can switch ON/OFF each USB port...more power outputs... more dew heaters... a new stepper controller that can drive any stepper motor in the marketplace... expansion ports for future devices that will communicate with the UPBv2 Controller...a new enclosure.

No more carrying multiple power packs; no more mess of power and data cables. Pegasus Astro's Ultimate Powerbox v2 is a sophisticated power control unit--the “Ultimate” solution.

No cables disturb the movements of the mount and the instrument. Only the main power cord and one USB data cord is attached to the Ultimate Powerbox--all the other cables branch off from that.

If you own a remote observatory or do advanced imaging, the Ultimate Powerbox is a must-have device.


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Price as Configured: $208.89
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The DewMaster comes with five powerful MOSFETS, each supporting 6 amps. The MOSFET transistors ensure that there are no voltage drops from any of the five RCA outputs, and the 6 amp capacity ensures that each dew heater will get the required power. With the incorporated Pulse Width Modulation (PWM) duty cycle control, you can reduce battery consumption. The DewMaster is also protected from reverse voltage polarity.

In addition to the five RCA dew heater outputs, there are two 12V DC outputs for additional astronomy equipment that meet those power requirements.

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 (included)

External one (1) meter high resolution temperature & relative humidity calibrated sensor. Know exactly the environment conditions of your location. The sensor can be auto combined with the dew heater outlets to automatically handle the power levels. Leave it to the DewMaster decide if it is time to turn on your heating elements! You can also monitor the readings of  temperature, humidity and dew point in the display screen.

Easy Operation

To use the DewMaster, push down the knob and choose the output. Turning the knob, either left or right, controls the duty cycle from 0-100%.

Compact Size

Dimensions: 109mm x 74mm x 25mm.

250 grams