RE: [ap-gto] A/C and D/C Power Supply


Aug 4, 2001

 


----------------------------

#3151 Aug 4, 2001

Saturday, August 4, 2001

Dear Jim / ap-ug,

I really like the Nomad 600. It is a 12 volt 40 amp/hour battery, that

also has a built in 115 volts a/c with 2 plugs. It also has a removable

handle and wheels. A very nice all-in-one package. I can use it during the

day and all night and still have plenty of power left over! The smaller

Nomad 300 version was advertised in Sky & Telescope a while back. The smaller

one also has a built in a/c supply as well. The vendor is in Canada and is

very customer orientated. I was the very first person to get the larger

40-amp unit that this company produced 6 or 7 months ago, and when I

discovered a bad plug in, they sent me a brand new unit without question and

actually upgraded the plug for me. I use the 12 volt to run my 600E GoTo and

the A/C to run my lap-top computer and a outdoor fan to keep me cool in the

day time -- very convenient! The web site is SolarSense.com and their

phone number is 519-725-2244. I think it cost about $250. I think the smaller

12 volt with A/C only cost about $125 or so (I think this was called their

Nomad 300) and this could be carried around very easily with its built in

handle.

If you like you can also order a solar panel unit to recharge the battery

but I didn't get this as I usually only go away for two-day trips and I've

never run out of power so far. This might be nice for back-to-basic types. I

liked the larger unit so well I ordered a second one for possible emergency

use around the house in case of a power failure. I keep them both plugged in

as they can't be overcharged. Can run lights / TV, etc.

Again, I reccomend the vendor very highly. Very dependable and very

customer orientated. This is a very good product for the astronomy community.

Check out their web site. Also, if you decide to go this route ask them to

upgrade the 12 volt plug in for you. They did this without charge for me, and

gave me two Maringo 12 volt plug ins which they described as the Cadillac of

the 12 volt plugs. It is built extremely well with screw in capabilities

without the normal hard wired connections that I have seen on all the rest

that I have examined. Thsi Maringo 12 volt plug in stays in well and has a

positive lock-type mechanism which does hold in the battery unit well.

Good Luck if you go this route, Sincerely, Richard Lapides in California











vajfitz@... wrote:

> Good afternoon,

>

> I am going to buy a power supply to use for viewing at home. I plan

> to plug it into an outside socket while viewing on the porch. What

> are your recommendations? Should it be regulated, filtered, etc?

> Any brands you are pleased with? I was looking at them at Radio Shack

> today.

>

> My plans, at the moment, are to power the 400GTO and a computer.

>

> Also, I want to set up a system for remote viewing with a battery.

> Any input on size, brand, etc of battery and connections would be

> appreciated.

>

> Regards,

>

> Jim

>

> To UNSUBSCRIBE, or for general information on the ap-gto list

> see groups.yahoo.com/group/ap-gto

>

> Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/



----------------------------

#3152 Aug 4, 2001

Dear Jim / ap-ug,

I forgot to mention that the A/C converter uses a modified sine wave converter to

produce clean power for the computer. I'm not an expert in this, but I haven't

had any problems running my lap-top either.

Good Luck, Richard Lapides in California





lapides.family@... wrote:

> Saturday, August 4, 2001

> Dear Jim / ap-ug,

> I really like the Nomad 600. It is a 12 volt 40 amp/hour battery, that

> also has a built in 115 volts a/c with 2 plugs. It also has a removable

> handle and wheels. A very nice all-in-one package. I can use it during the

> day and all night and still have plenty of power left over! The smaller

> Nomad 300 version was advertised in Sky & Telescope a while back. The smaller

> one also has a built in a/c supply as well. The vendor is in Canada and is

> very customer orientated. I was the very first person to get the larger

> 40-amp unit that this company produced 6 or 7 months ago, and when I

> discovered a bad plug in, they sent me a brand new unit without question and

> actually upgraded the plug for me. I use the 12 volt to run my 600E GoTo and

> the A/C to run my lap-top computer and a outdoor fan to keep me cool in the

> day time -- very convenient! The web site is SolarSense.com and their

> phone number is 519-725-2244. I think it cost about $250. I think the smaller

> 12 volt with A/C only cost about $125 or so (I think this was called their

> Nomad 300) and this could be carried around very easily with its built in

> handle.

> If you like you can also order a solar panel unit to recharge the battery

> but I didn't get this as I usually only go away for two-day trips and I've

> never run out of power so far. This might be nice for back-to-basic types. I

> liked the larger unit so well I ordered a second one for possible emergency

> use around the house in case of a power failure. I keep them both plugged in

> as they can't be overcharged. Can run lights / TV, etc.

> Again, I reccomend the vendor very highly. Very dependable and very

> customer orientated. This is a very good product for the astronomy community.

> Check out their web site. Also, if you decide to go this route ask them to

> upgrade the 12 volt plug in for you. They did this without charge for me, and

> gave me two Maringo 12 volt plug ins which they described as the Cadillac of

> the 12 volt plugs. It is built extremely well with screw in capabilities

> without the normal hard wired connections that I have seen on all the rest

> that I have examined. Thsi Maringo 12 volt plug in stays in well and has a

> positive lock-type mechanism which does hold in the battery unit well.

> Good Luck if you go this route, Sincerely, Richard Lapides in California

>

> vajfitz@... wrote:

>

> > Good afternoon,

> >

> > I am going to buy a power supply to use for viewing at home. I plan

> > to plug it into an outside socket while viewing on the porch. What

> > are your recommendations? Should it be regulated, filtered, etc?

> > Any brands you are pleased with? I was looking at them at Radio Shack

> > today.

> >

> > My plans, at the moment, are to power the 400GTO and a computer.

> >

> > Also, I want to set up a system for remote viewing with a battery.

> > Any input on size, brand, etc of battery and connections would be

> > appreciated.

> >

> > Regards,

> >

> > Jim

> >

> > To UNSUBSCRIBE, or for general information on the ap-gto list

> > see groups.yahoo.com/group/ap-gto

> >

> > Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/

>

> To UNSUBSCRIBE, or for general information on the ap-gto list

> see groups.yahoo.com/group/ap-gto

>

> Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/







----------------------------

#3153 Aug 4, 2001

Richard Lapides:

> I forgot to mention that the A/C converter uses a modified sine wave converter to

> produce clean power for the computer.



Just to bring your attention to this: I have seen DC/AC converters

with "modified sine wave" that actually produced a square wave.



Any periodic function is a modified sine wave; it's just a matter of

*how modified*. It is better to check with an oscilloscope before

using it for sensitive electronics.



Best regards,



Niels Foldager

Copenhagen

Denmark



----------------------------

#3154 Aug 4, 2001

Dear Niels,

The product information literature that accompanied the Nomad 600 and also on their

web site shows that it can be used with a computer and printer and how long it will

last (stated to last 13 hours operating a lap-top along with a printer). I'm am not

sure if any specific tests were done by the manufacturer about what type of sine wave

is produced, but this might be a good question to ask them. I am not very literate

about A/C sine waves, and just took the manufacturers word for it that a computer (and

printer) could be operated with the Nomad 600 Battery. I do hope my assumption is

corect, and that nothing will be adversely affected on my lap-top.

Thanks for your comment, Richard Lapides in California









"N. Foldager" wrote:

> Richard Lapides:

>

> > I forgot to mention that the A/C converter uses a modified sine wave converter to

> > produce clean power for the computer.

>

> Just to bring your attention to this: I have seen DC/AC converters

> with "modified sine wave" that actually produced a square wave.

>

> Any periodic function is a modified sine wave; it's just a matter of

> *how modified*. It is better to check with an oscilloscope before

> using it for sensitive electronics.

>

> Best regards,

>

> Niels Foldager

> Copenhagen

> Denmark

>

> To UNSUBSCRIBE, or for general information on the ap-gto list

> see groups.yahoo.com/group/ap-gto

>

> Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/



----------------------------

#3157 Aug 5, 2001

Hi All,



I have had a Nomad 600 since Feb. and have operated three computers

(laptops), SBIG cameras, dew heaters, AP1200 mounts and anything else I can

think of with no problems. I have the solar cells and can recharge in 10 to

12 hours. With their power manager box I have control of charging and power

routing to cigar plugs plus an off/on switch for the AP1200, which comes in

handy if you need to kill the power to the mount in the dark for some

reason. An external deep cycle marine battery can be added to the system

and rolled around with the 600. The handle and wheels make for easy

transport. All the connectors are commercial grade Anderson connectors.



The unit can be charged by solar, generator/AC, or in the vehicle while

driving to the star party. The company has been very responsive to the

customer, and will try and supply the equipment you need. I have been very

satisfied with their support.



Andy



-----Original Message-----

From: lapides.family@... [mailto:lapides.family@...]

Sent: Saturday, August 04, 2001 5:16 PM

To: ap-gto@yahoogroups.com

Subject: Re: [ap-gto] A/C and D/C Power Supply





Dear Niels,

The product information literature that accompanied the Nomad 600 and

also on their

web site shows that it can be used with a computer and printer and how long

it will

last (stated to last 13 hours operating a lap-top along with a printer). I'm

am not

sure if any specific tests were done by the manufacturer about what type of

sine wave

is produced, but this might be a good question to ask them. I am not very

literate

about A/C sine waves, and just took the manufacturers word for it that a

computer (and

printer) could be operated with the Nomad 600 Battery. I do hope my

assumption is

corect, and that nothing will be adversely affected on my lap-top.

Thanks for your comment, Richard Lapides in California









"N. Foldager" wrote:

> Richard Lapides:

>

> > I forgot to mention that the A/C converter uses a modified sine wave

converter to > > produce clean power for the computer.

>

> Just to bring your attention to this: I have seen DC/AC converters

> with "modified sine wave" that actually produced a square wave.

>

> Any periodic function is a modified sine wave; it's just a matter of

> *how modified*. It is better to check with an oscilloscope before

> using it for sensitive electronics.

>

> Best regards,

>

> Niels Foldager

> Copenhagen

> Denmark

>

> To UNSUBSCRIBE, or for general information on the ap-gto list

> see groups.yahoo.com/group/ap-gto

>

> Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/







To UNSUBSCRIBE, or for general information on the ap-gto list

see groups.yahoo.com/group/ap-gto



Your use of Yahoo! Groups is subject to docs.yahoo.com/info/terms/







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