Newtonian DewBuster™ Controllers
Order Form

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The Newtonian "Big Dob" version was created at the request of Charlie Starks at Markless Astronomics to give large Dob owners a dew controller that mounts on the upper cage and provides power distribution for the top end. Markless Astronomics has developed a mounting bracket, power cables, and wiring kits which simplify DewBuster™ Controller installation (contact Charlie Starks for info on these kits).

Unlike the standard DewBuster™ Controller, the "Big Dob" version does not have a power cord but has an RCA jack to accept power from the telescope's wire harness. The controller is protected by an internal self-resetting 10 Amp PTC fuse (never needs replacement). Note that if you need a power cord, you should order the Standard DewBuster™ Controller and select an output configuration with 12V power outputs. If you have a special situation then contact me for assistance.

To order a Big Dob DewBuster™ Controller use the form below.



Links for other order forms:       Standard DewBuster       Accessories      Fan Speed Controller
Newtonian DewBuster™ Controller Order Form
IMPORTANT: I WILL BE ON VACATION UNTIL MAY 15TH. YOU MAY PLACE YOUR ORDER BUT I WILL NOT BE ABLE TO START BUILDING YOUR DEWBUSTER UNTIL I RETURN ON MAY 15TH.
This form DOES NOT collect any payment, when you SUBMIT ORDER you will be emailed an order summary with a link to make your payment. You can reply to the email with questions and I will send you a personal reply. You may request changes to your order right up until the time it ships and I can adjust your order so you will only have to fill this form out one time. Your information is kept completely confidential, it will never be shared with any other parties.
ACKNOWLEDGEMENT:DewBuster™ Controllers are built-to-order which takes about a month.
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DewBuster™ Controller (does not include Temperature Sensor, select Sensor below):

 
TEMPERATURE SENSORS: Up to two sensors may be used simultaneously. See FAQ for help deciding which optics to use sensors on.

Standard SCT/Refractor Temperature Sensor Cable (clips to heater strip):


Newtonian Temperature Sensor Cable (for Secondary Mirror. See Installation Instructions):

Output Configuration (CLICK HERE FOR HELP):


RCA Plug to Screw-Terminal Adapters (use to connect +12V Outputs to your wiring):
RCA to SCrew Terminal Adapaters Click for more information
Power Cord:
Optional Power Cords:

NOTE: If your Dob is not already equipped with an RCA plug to power the controller then Markless Astronomics has wiring kits available.

Resistors (330-Ohm, 1/2W) for building home-made heaters:
resistor

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