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Don Owens
Joined: 17 Jan 2006
Posts: 24
Location: North Central Washington
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 Posted: Mon Feb 12, 2007 3:49 pm Post subject: Shunt vs hall effect sensor |
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Hi all,
I've been following the Z-14 wiring schematic for my electrically dependent RV-7. I also plan to use GRT EFIS and their EIS system. Without looking far enough ahead I did a great job of installing shunts for the electrical load meters. Duh! Now I realize the the GRT EIS system uses hall effect sensors! Well, maybe having an always up load meter for each electrical system wouldn't be all that bad. Does anyone have a source for good quality load meters?
Who would just rip out the shunts and go with the EIS hall effect system?? Can I read the load on each of my two systems with the EIS?
Thanks in advance,
Don Owens
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nuckollsr(at)cox.net
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| Posted: Mon Feb 12, 2007 4:43 pm Post subject: Shunt vs hall effect sensor |
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At 03:49 PM 2/12/2007 -0800, you wrote:
| Quote: |
Hi all,
I've been following the Z-14 wiring schematic for my electrically
dependent RV-7. I also plan to use GRT EFIS and their EIS system. Without
looking far enough ahead I did a great job of installing shunts for the
electrical load meters. Duh! Now I realize the the GRT EIS system uses
hall effect sensors! Well, maybe having an always up load meter for each
electrical system wouldn't be all that bad. Does anyone have a source for
good quality load meters?
Who would just rip out the shunts and go with the EIS hall effect system??
Can I read the load on each of my two systems with the EIS?
|
You could pick up an extra hall-sensor and put a switch
in to select which sensor was driving the glass . . .
Alternatively, here's a loadmeter I build here from
Triplett pivot and jewel movements:
http://aeroelectric.com/Catalog/AEC/9007/AEC9007-700.pdf
http://aeroelectric.com/Catalog/9007-120-1_Loadmeter.jpg
Bob . . .
----------------------------------------
( IF one aspires to be "world class", )
( what ever you do must be exercised )
( EVERY day . . . )
( R. L. Nuckolls III )
----------------------------------------
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Allen Fulmer
Joined: 10 Jan 2006
Posts: 79
Location: Alexander City, AL
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nuckollsr(at)cox.net
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| Posted: Mon Feb 12, 2007 5:48 pm Post subject: Shunt vs hall effect sensor |
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At 07:07 PM 2/12/2007 -0600, you wrote:
| Quote: |
But Bob! It's not digital!
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Yup . . . but it gets its power to operate
directly from the drop in the shunt. There's
still a pretty good demand for small steam gages
if they're good. Had to give up on Westach but
these are REAL d-a movements! I think we sold
25 ship sets of these since I put them in
the catalog a year ago.
Bob . . .
----------------------------------------
( IF one aspires to be "world class", )
( what ever you do must be exercised )
( EVERY day . . . )
( R. L. Nuckolls III )
----------------------------------------
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gmcjetpilot
Joined: 04 Nov 2006
Posts: 170
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| Posted: Tue Feb 13, 2007 10:44 am Post subject: Shunt vs hall effect sensor |
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Bob:
That is not necessary, the GRT EIS has 6 aux inputs.
He can connect two, three or more hall effect sensors,
all with individual hi/lo alarm parameters.
Also, if he wants to keep the shunt and discrete meters
if his shunt is 1-to-1, e.g.,1mV per 1amp, he can use
an inexpensive digital panel meter directly ($10-$20).
George
| Quote: | From: "Robert L. Nuckolls, III" <nuckollsr(at)cox.net>
Subject: Re: Shunt vs hall effect sensor
You could pick up an extra hall-sensor and put a switch
in to select which sensor was driving the glass . . .
Alternatively, here's a loadmeter I build here from
Triplett pivot and jewel movements:
Bob . . .
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Now that's room service! Choose from over 150,000 hotels
in 45,000 destinations on Yahoo! Travel to find your fit. [quote][b]
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