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Forum Index : Electronics : 200A hall sensors

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graynomad

Senior Member

Joined: 21/07/2010
Location: Australia
Posts: 122
Posted: 01:45am 29 Jul 2010
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Just found these.

http://uk.farnell.com/allegro-microsystems/acs758ecb-200b-pf f-t/current-sensor-200a-3cb/dp/1791391

200Amp Hall effect current sensor chips. Great for those DC battery bank monitoring widgets. How you actually connect some 95mm2 cable to them though I'm not sure.Edited by graynomad 2010-07-30
Rob Gray, AKA the Graynomad, www.robgray.com
 
VK4AYQ
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Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 03:21am 29 Jul 2010
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Hi There

It looks like it clips on but on that size wire a dob of glue to hold it in place.
Cant get the data sheet to download from the site so will try another search for data sheet.

All the best

Bob
Foolin Around
 
graynomad

Senior Member

Joined: 21/07/2010
Location: Australia
Posts: 122
Posted: 03:35am 29 Jul 2010
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This is the link,

http://www.allegromicro.com/en/Products/Part_Numbers/0758/07 58.pdf

it just worked for me.

Otherwise try

http://www.alldatasheet.com/view.jsp?Searchword=ACS758

I guess the trouble with wires that big is that it's more mechanics than electronics, you'd have to be very careful to affix the lugs to something solid then run wires (bus bars really) to the sensor.

But what I think could be the good thing about these is that they cost about $15, that's better that a 200A shunt.

RobEdited by graynomad 2010-07-30
Rob Gray, AKA the Graynomad, www.robgray.com
 
VK4AYQ
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Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 01:21pm 29 Jul 2010
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Hi Rob

Thanks for that I did manage to download it this time.

All the best

Bob
Foolin Around
 
Downwind

Guru

Joined: 09/09/2009
Location: Australia
Posts: 2333
Posted: 02:08pm 29 Jul 2010
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A few members here have used the allegros for some time now but they can be very noisy on their output.

Pete.
Sometimes it just works
 
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