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 Post Posted: Mon Sep 04, 2017 1:48 am 
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Joined: Fri Aug 18, 2017 12:18 am
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I use the Celestron 12V Power Tank to power my AVX mount. It has worked great and I can get multiple nights of imaging. Now that I have the ASI1600MC-cool I can only get about 2 hours of imaging before the tank needs recharge. I'm using SharpCap for image capture and set the temperature at -20. Is this too cold and causing the power source to be depleted faster?
Thanks
Kevin


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 Post Posted: Mon Sep 04, 2017 3:36 pm 
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Joined: Mon Apr 10, 2017 12:04 pm
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SharpCap will tell you the Cooling Power Percentage necessary to reach your -20*C Setpoint. If you are running the Cooling at 100%, then you ARE setting yourself for a Large Power Draw(12V @ 2A).

Remember that the DeltaT (Cooling Ability) of the ASI1600's TEC is rated as -40*C Relative Degrees, so unless the Ambient Temp was less than 20*C while Imaging then the Cooler would be running at a perpetual 100%. That level is definitely a Power Drain.

Make sure that you set the Cooling Setpoint to a realistic Number, so that the Cooler isn't running at more than 60-70% after the Initial "Cool-Down". Then your Power Drain will be MUCH Less.


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 Post Posted: Fri Sep 08, 2017 3:29 am 
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Joined: Fri Aug 18, 2017 12:18 am
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s3igell wrote:
SharpCap will tell you the Cooling Power Percentage necessary to reach your -20*C Setpoint. If you are running the Cooling at 100%, then you ARE setting yourself for a Large Power Draw(12V @ 2A).

Remember that the DeltaT (Cooling Ability) of the ASI1600's TEC is rated as -40*C Relative Degrees, so unless the Ambient Temp was less than 20*C while Imaging then the Cooler would be running at a perpetual 100%. That level is definitely a Power Drain.

Make sure that you set the Cooling Setpoint to a realistic Number, so that the Cooler isn't running at more than 60-70% after the Initial "Cool-Down". Then your Power Drain will be MUCH Less.


Thanks...working on setting this up now for practice. Appreciate the advice.


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