The Astrozap dual-channel controller uses pulse width modulation technology. Each channel controls two outputs for a total of four outputs. Each channel is capable of a duty cycle from 5% on time at the low setting to 95% on time at the high setting.
The Astrozap dew controller is manufactured for operation on 11-14 Volt DC and should never be operated with any other voltage. Total amperage capacity for all four outputs is 8 amps. The controller is supplied with a six-foot cord equipped with a cigarette lighter plug end. An 8-amp fuse is incorporated into the plug.
The Astrozap dew controller can be used to power our Flexi-Heat dew shields and Heat Bands. The RCA output connectors will accommodate other brand dew heaters.
The red power LED indicates that the controller is getting power. If power levels drop below 10.8 volts, the power light will begin to blink. When the power levels drop below 10.4 volts, the power outputs will turn off. The two red lights by the outputs indicate the power level of each channel.
The left knob controls the two lower outputs and the right knob controls the upper two outputs. The brighter the red LEDs, the higher the duty cycle for that channel.
When the controller is set to the lowest setting, it is effectively off. A two-inch Velcro strip is included for mounting the controller to a convenient area of your telescope mount.
We know that once you've placed your order, you are anxious to receive it! We make every effort to get your order shipped out to you as quickly as possible.
As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. We will process the charges to your credit card and your order will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at email@example.com.
Standard shipping time in the US is between 3-5 business days, though it can vary slightly depending on the destination. We typically For updates on your shipment you can enter your tracking number here.
We distribute nationwide via UPS and Fedex. Unfortunately, at this time we are not able to provide expedited or international shipping.