Accessory
Pegasus Astro DewMaster 2
Pegasus Astro · DewMaster 2 · dew heater
Key specifications
| Accessory type | Dew Heater |
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| Weight | 0.25 kg |
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All specifications
| Interface | 2.1 mm DC input; USB-C; Wi-Fi; 5 × RCA outputs; 2 × 3.5 mm probe sockets |
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| Compatible with | ASCOM 7 over USB-C, ASCOM Alpaca Switches over Wi-Fi, N.I.N.A.; Pegasus PEG-SHOE mount |
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About
A five-channel dew heater controller in a blue anodised 6061 aluminium case, driving each RCA output by PWM duty cycle through a 6 A MOSFET. An included temperature and humidity sensor lets it compute dew point and adjust heaters automatically, two extra probe inputs let individual outputs track the temperature of specific optics, and two 12 V pass-through outputs feed other gear. It is controlled from a three-button interface and a 2.1-inch red OLED, or remotely over USB-C or its own Wi-Fi dashboard at dewmaster2.local.