Manufacturer: Celestron
Product number: CE825922

EUR 395,00


incl. 19 % VAT (DE)  
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rating: 5.0 of 5
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Celestron Smart Dewheater Controller 2x
Work smarter, not harder, when it comes to combating dew. The Smart DewHeater and Controller 2x prolongs your battery life by optimizing power usage for up to two dew heaters. The controller gathers and analyzes information in real time to warm your optics just enough to prevent dew.

The Smart DewHeater and Controller comes with two ports to control two dew heaters at once. You can use one port to heat your optical tube while the other warms a second optical tube, a guide scope, an eyepiece, or another accessory. The controller also features an additional 12 V DC output port so you can power another 12 V DC device, such as your mount.

The Smart DewHeater and Controller works seamlessly with Celestron’s Dew Heater Rings, which have a built-in thermistor to provide temperature readings of the corrector lens. Third-party dew heater bands or straps are also compatible; you simply need to add Celestron´s Thermistor for Smart DewHeater Controllers (sold separately).

Smart Controls

At the heart of the controller is a powerful microprocessor that gathers information from the sensors, computes the data, and automatically adjusts your dew heaters. The controller monitors the ambient temperature and humidity using its integrated environmental sensor and monitors the heaters’ temperatures using thermistors.

You can run the Smart DewHeater and Controller 2x as a standalone accessory. Or, if you want to view data from the controller and make manual adjustments, you can connect it to your Celestron telescope’s hand control or your PC. The controller works with NexStar+ or StarSense hand controls running the latest firmware or Celestron CPWI telescope control software, included with every Celestron mount.

Power

The Smart DewHeater and Controller 2x runs on an (optional) 12 V battery (like the PowerTank Lithium Pro or PowerTank 17) and can handle a maximum power of 120 W (10 A max current @ 12 V DC). The controller also features a 12 V DC output port. You can use this extra port to power another device, like your mount. This way, you can power your entire setup from a single source. Resettable electronic fuses prevent damage if input or output current draw becomes too high.

NOTE: If you are using two dew heaters in heavy dew conditions and powering a 12 V DC device, the controller may be operating near its power limit. In this case, one PowerTank Lithium Pro or PowerTank 17 Ah will not have enough capacity to run your setup all night; you´ll need a larger capacity battery or multiple batteries.

Unique Industrial Design

The Smart DewHeater and Controller 2x features a heavy-duty metal housing. Inside, a cooling fan protects the controller’s electronics.

On top of the controller, you will find the bridge, which is home to the device’s status LEDs and environmental sensors. It also helps with cable management. Celestron has positioned the temperature and humidity sensors here, away from the control box and other components that could generate heat. Unlike competitor products, these sensors do not require additional cables to obtain accurate readings.

The LED lights on the bridge indicate the device’s current status. The LEDs provide warnings if the controller is drawing more current than your power source can supply or if the battery charge needs recharging. You can dim the lights if you are under dark skies.

The Celestron Smart DewHeater and Controller 2x mounts on your CGE or CG-5 dovetail with the integrated dovetail clamps. If you prefer to mount the controller on your tripod leg, use the included strap.

Enhance your setup

We highly recommend pairing this controller with Celestron Dew Heater Rings. They fit seamlessly on your Schmidt corrector lens and will improve your observing or imaging year-round.

For the highest level of dew prevention, we also suggest adding a dew shield to your setup. While not required, a dew shield will cut down on the amount of power the controller needs to provide to the dew heater rings to keep your optics clear.
Dew Heater Ports:2x ports, RCA jack, compatible with Celestron Dew Heater Rings and other 3rd party vendor heating straps
Thermistor ports:2x ports (one for each dew heater port), 2.5mm Audio jack, compatible with Celestron Dew Heater Rings and optional Celestron Thermistor
12 V DC power output port:12 V DC barrel connector jack (5.5mm/2.1mm), 7 A max
AUX ports:2x ports, allows connection to Celestron mounts for HC control, also allows connection of optional accessories
PC port:USB 2.0 Type B, allows connection to PC for control with CPWI
12 V DC power input port:Threaded barrel connector jack, 5.5mm/2.1mm, 10 A max input
Included power cable:Cigarette lighter plug on one end, threaded barrel connector on other end (5.5mm/2.1mm), 10 ft. long, 10 A fuse protected
Environmental sensor:Measures ambient temperature and humidity, integrated into enclosure "bridge" to thermally isolate
Enclosure construction:Aluminum with integrated fan
Clamp:Fits CG-5 and CGE dovetails (also can be strapped onto tripod leg)
Electronic protections:Fuse protected, reverse polarity protected, low voltage cut-off
Dimensions:139.7 mm x 114.3 mm x 82.55 mm (5.5" x 4.5" x 3.25")
Weight:1.2 lbs (544 g)
Smart DewHeater and Controller 2x
Tripod leg strap
Controller power cable (cigarette lighter plug and DC plug 5.5/2.2 mm, 10 A fused)
3 m power cable for external 12 V DC device
AUX cable for connecting to Celestron mounts
Thermistor extension cable to attach to Celestron’s Dew Heater Ring



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Reviews

Written by MOHAMED MIMOUNI
on 2023-05-12

"Good product "