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Buy a Brand New Astro-Smart Independent Controlled 4 Channel Dew Annihilator MDA-4 Family Controller. Pick your choice of MDA-4, MDA-4A, MDA-4C or MDA-4AC. The MDA-4 Family Dew Annihilator can be setup with any make or model of telescope for trouble-free operation. The MDA-4 Family
Dew Annihilator can be controlled manually by four(4) independent
channel knob control channels rated at either 5 Amps/channel with or
without cutoff control in models (MDA-4, MDA-4C) or 10 Amps/channel with or without cutoff control in models (MDA-4A, MDA-4AC) per channel. The MDA-4
Family Dew Annihilator is designed for Astronomers and
Astrophotography’s who want a low cost, simple design, yet powerful dew
heater controller with options for temperature/humidity channel
monitoring. The MDA-4 Family Dew
Annihilator can be used with Astro-Smart’s RCA jack type dew straps or
compatible RCA type dew straps such as Astro-Smart, Kendrick, etc.

The Astro-Smart MDA-4
Family Dew Annihilator is designed to be user friendly, serviceable,
elegant and reliable and include the following features shown below:
1.Worry Free Warranty Program For Life Of Product Sale.
2.Four(4)
Independent Output Port Heat Channels User Control Capable of
240(5Amps/Ch) or 480 Watts(10Amps/Ch) for MDA-4 with "A" Options.
Works with Any RCA type heat strap as Astro-Smart, Kendrick, etc.
3. Variable Knob Dial Power Control PWM Duty Cycle 0-100% @ 50 KHz Power Intensity.
4. Low Voltage Cutoff Circuit And LED indicator. Cutoff at 10.5 to 11VDC. This is for MDA-4 with "C" Options.
5. Over Current, Reverse Current and Over Voltage Protection Design with Switchable ON/OFF Power.
6. 4 PWM LED Flash Indicators Per Channel Heat Output Port. Power LED Indicator
7. Temperature and Humidity Optics Channel Monitoring Option.
8.
High quality design employs multi-layer PCB form factor and only the
best quality components with conformal coatings for outdoor use.
9.Void of RFI(Radio Frequency Interference) protected to enhance Astro-Imaging .
10. Dimensions (5.2” Long x 3” Wide x 1.9” High.)

Each Astro-Smart MDA-4 Family Dew Annihilator package contains:
1. MDA-4 Family Dew Controller(MDA-4, MDA-4A, MDA-4C or MDA-4AC)
2. 12VDC Fused Cigarette Power Adapter Harness.

Please, visit our site for User manual, Demonstration Videos and site
information to navigate at your convenience. Links below for Additional
Product Information, User manual and Purchase Page Links(Paypal
Preferred). Clear Skys and thanks for looking.

Additional Product Info.........http://www.astro-smart.com/index.php?p=1_38_Astro-Cube-Dew-Annilhator-Series-MDA-4
User Manual.........................http://www.astro-sma...inal_8_1_19.pdf
Purchase Page.....................http://www.astro-sma...p=1_51_Purchase

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