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What is it?

The Outback Cooler uses a Peltier device to pump heat from the DSI imaging chip to the rear mounted heat sink. This enables the Outback to reduce the temperature of the CCD below the ambient temperature and subsequently significantly reduce the noise level in the images. The Outback regulates the temperature of the CCD so that it remains constant at the preset value through out the imaging session. In this way only one set of dark frames needs to be taken for the session.

There are now three versions of the Outback Cooler in two series. Outback (for DSI I and II) and Outback III (for the DSI III)

Razorback  

Fan cooled heat sink

Platypus  

Water cooled heat exchange

Dingo 

Uses either water or air cooling (User selectable)

The Outback Cooler replaces the factory convection heat sink built into the DSI/DSI Pro and DSI II/DSI II Pro rear case and the Outback III for the DSI III/DSI III Pro. Both Outback and Outback III give similar performance. You will need to open the DSI case and fit the Outback Cooler to the front section of the DSI camera via the same four mounting bolts. This obviously has warrantee implications for you DSI camera and you are taking full responsibility for the modification and continued function of your DSI camera. The DSI camera functionality, circuit board or USB interface are not changed in anyway. The outback simply replaces the rear case of the DSI camera and runs off a separate 12V power supply. All control of the Outback is via the single button and indicator LEDS shown below:

The Outback Cooler operating  range to achieve a regulated CCD temperature is indicated below:

Specifications:

Outback Cooler (Razor Back)

Power Supply

 Requires a 12V 3 Amps supply (Cable supplied will car lighter plug)
Allowable voltage Range 11 to 15 Volts
Current draw 2.5Amps Max. Typical 1.75 Amps.

Cooling Capability

 Cools CCD to 15 Deg C below ambient maximum.

Preset Cooling Range

 20 to -10 Deg C in 5 Deg C increments

Regulation

 +- 0.25 Deg C

Form Factor

 Bolt on replacement back case for
DSI, DSI Pro and DSI II, DSI II Pro

Weight

425g (adds 250g to DSI weight since original back is removed)

Size  The Outback is the same dimensions as the DSI body. The difference will be in the depth as the back is deeper than the original back
Razor Back = 82mm
(Measured from tip of T-Ring on the front of the camera
 to the rear extreme of the cooler)  

User Interface

 A Single button used to cycle through preset regulation temperatures and fan speed.

Indicator LED's

Indicates selected regulation and actual CCD temperature.

Fan Cooled

A small fan speed controlled to increase sustainable performance

Assembly/User Manual

See Instructions menu above.

 

Outback Cooler (Platypus)

Power Supply

 Requires a 12V 3 Amps supply (Cable supplied will car lighter plug)
Allowable voltage Range 11 to 15 Volts
Current draw 2.5Amps Max. Typical 1 Amps.

Cooling Capability

 Cools CCD to 30 Deg C below water coolant temperature.

Preset Cooling Range

 20 to -10 Deg C in 5 Deg C increments

Regulation

 +- 0.25 Deg C

Form Factor

 Bolt on replacement back case for
DSI, DSI Pro and DSI II, DSI II Pro

Weight (Dry)

375g (adds 200g to DSI weight since original back is removed)

Size  The Outback is the same dimensions as the DSI body. The difference will be in the depth as the back is deeper than the original back
Platypus = 52mm
(Measured from tip of T-Ring on the front of the camera
 to the rear extreme of the cooler)  

User Interface

 A Single button used to cycle through preset regulation temperatures.

Indicator LED's

Indicates selected regulation and actual CCD temperature.

Coolant

Water or other none corrosive coolant
Required flow rate will be specified shortly. It is very low though.

Assembly/User Manual

See Instructions menu above.

 

Outback Cooler (Dingo)

Power Supply

 Requires a 12V 3 Amps supply (Cable supplied will car lighter plug)
Allowable voltage Range 11 to 15 Volts
Current draw 2.5Amps Max. Typical 1 Amps.

Cooling Capability

 Depending on mode as per above specifications

Preset Cooling Range

 20 to -10 Deg C in 5 Deg C increments

Regulation

 +- 0.25 Deg C

Form Factor

 Bolt on replacement back case for
DSI, DSI Pro and DSI II, DSI II Pro

Weight (Dry)

500g (adds 325g to DSI weight since original back is removed)

Size  The Outback is the same dimensions as the DSI body. The difference will be in the depth as the back is deeper than the original back
Dingo = 102mm
(Measured from tip of T-Ring on the front of the camera
 to the rear extreme of the cooler)  

User Interface

 A Single button used to cycle through preset regulation temperatures.

Indicator LED's

Indicates selected regulation and actual CCD temperature.

Cooled

 Depending on mode as per above specifications

Assembly/User Manual

See Instructions menu above.

Specifications may change at any time.