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Thread: pure sine wave inverter

  1. 19th August 2007, 04:43 PM #1
    McDisco Guest

    pure sine wave inverter

    Hey All

    Anyone know where (apart from Fleabay) I can get a 150W Pure Sine Wave inverter for a good price?

    Cheers

    Angus
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  2. 19th August 2007, 05:21 PM #2
    Blknight.aus's Avatar
    Blknight.aus
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    Jaycar electronics and Altronics phone numbers on the www at yellowpages.com
    Dave

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  3. 19th August 2007, 05:44 PM #3
    waynep
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    We use the Jaycar pure sine wave ones at work they seem to go OK
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  4. 20th August 2007, 12:23 PM #4
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    JDNSW
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    Jaycar MI-5080 is the cheapest I could see in the catalogues to hand at $180.

    You will find pure sine wave inverters are a lot more expensive than the same power "modified sine wave", and are also less efficient and have a lower overload capacity.

    John
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  5. 20th August 2007, 05:23 PM #5
    McDisco Guest
    John

    Is that model from jaycar a pure sine wave? It needs to be a pure sine wave and I am running a brand new lappy that I dont think will take kindly to a MSW inverter...at least Im not prepared to risk it anyway....

    I will only be using it for a single application at a time and such dont need to have a high wattage unit...its going to either run the laptop or be charging camera batteries.

    Angus
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  6. 20th August 2007, 05:49 PM #6
    Blknight.aus's Avatar
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    what breed of laptop, jaycar also have a DC-dc switchmode powersupply that goes from 12v-most laptop power requirements.

    I have their catalog and the altronics one so if you give me the type of laptop (and the numbers and specs on its powersupply will help) I'll give you the required part numbers for what you will need to make it all work in a rover.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

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  7. 20th August 2007, 07:07 PM #7
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    JDNSW
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    Quote Originally Posted by McDisco View Post
    John

    Is that model from jaycar a pure sine wave? It needs to be a pure sine wave and I am running a brand new lappy that I dont think will take kindly to a MSW inverter...at least Im not prepared to risk it anyway....

    I will only be using it for a single application at a time and such dont need to have a high wattage unit...its going to either run the laptop or be charging camera batteries.

    Angus
    They describe it as "pure Sine Wave" - They also have ones described as "Sine Wave" ($200 for 300w) and "modified sine wave" ($50 for 150w), so I would say that the one quoted (MI-580) is the one you want.

    John
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  8. 22nd August 2007, 12:53 PM #8
    waynep
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    Yes, it is probably not very efficient transforming 13.8VDC up to 240VAC and then converting it back down again to around 15V DC or whatever your laptop runs on.
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  9. 22nd August 2007, 01:26 PM #9
    tombraider Guest
    Quote Originally Posted by waynep View Post
    Yes, it is probably not very efficient transforming 13.8VDC up to 240VAC and then converting it back down again to around 15V DC or whatever your laptop runs on.
    Nor particularly safe either!

    Go the DC-DC converter....
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  10. 22nd August 2007, 05:38 PM #10
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    Captain_Rightfoot
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    We have a jaycar 150w pure sine wave inverter. I wanted a inverter to run my fish tanks (in the event of power failure). I tried all sorts of modified sine wave inverters and none of them would run them.

    The jaycar inverter fires them up and they run quieter than on the mains I've not found anything since that it wouldn't charge/run either.
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