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Volt meter

 
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flyer532(at)gmail.com
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PostPosted: Sun Mar 14, 2021 6:29 pm    Post subject: Volt meter Reply with quote
I am wanting to install a new voltmeter in my 14V Cherokee Six. What recommendations  do you have?  Where would be the best place to sample the volts with the master switch on?  Thinking maybe at the master switch itself but when I tried that the volts read 11V on a charged battery. Should I just come directly off the bus bar? 

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alec(at)alecmyers.com
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PostPosted: Mon Mar 15, 2021 4:14 am    Post subject: Volt meter Reply with quote
What voltage do you want to measure? Battery voltage? Bus bar voltage?

Wouldn’t that inform where you measure it?

Sent from my iPhone

Quote:
On Mar 14, 2021, at 10:29 PM, Daryl Thompson <flyer532(at)gmail.com> wrote:


I am wanting to install a new voltmeter in my 14V Cherokee Six. What recommendations do you have? Where would be the best place to sample the volts with the master switch on? Thinking maybe at the master switch itself but when I tried that the volts read 11V on a charged battery. Should I just come directly off the bus bar?


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flyer532(at)gmail.com
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PostPosted: Mon Mar 15, 2021 4:29 am    Post subject: Volt meter Reply with quote
 Looking to keep tabs on the battery voltage but don't want to connect directly to battery and have a continuous draw when the master switch is off

On Mon, Mar 15, 2021 at 8:19 AM Alec <alec(at)alecmyers.com (alec(at)alecmyers.com)> wrote:

Quote:
--> AeroElectric-List message posted by: Alec <alec(at)alecmyers.com (alec(at)alecmyers.com)>

What voltage do you want to measure? Battery voltage? Bus bar voltage?

Wouldn’t that inform where you measure it?

Sent from my iPhone

> On Mar 14, 2021, at 10:29 PM, Daryl Thompson <flyer532(at)gmail.com (flyer532(at)gmail.com)> wrote:
>
> 
> I am wanting to install a new voltmeter in my 14V Cherokee Six. What recommendations  do you have?  Where would be the best place to sample the volts with the master switch on?  Thinking maybe at the master switch itself but when I tried that the volts read 11V on a charged battery. Should I just come directly off the bus bar?


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skywagon185(at)gmail.com
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PostPosted: Mon Mar 15, 2021 10:38 am    Post subject: Volt meter Reply with quote
You could use a 3 position swt. to toggle between battery, bus and off.
On Mon, Mar 15, 2021 at 5:31 AM Daryl Thompson <flyer532(at)gmail.com (flyer532(at)gmail.com)> wrote:

Quote:
 Looking to keep tabs on the battery voltage but don't want to connect directly to battery and have a continuous draw when the master switch is off

On Mon, Mar 15, 2021 at 8:19 AM Alec <alec(at)alecmyers.com (alec(at)alecmyers.com)> wrote:

Quote:
--> AeroElectric-List message posted by: Alec <alec(at)alecmyers.com (alec(at)alecmyers.com)>

What voltage do you want to measure? Battery voltage? Bus bar voltage?

Wouldn’t that inform where you measure it?

Sent from my iPhone

> On Mar 14, 2021, at 10:29 PM, Daryl Thompson <flyer532(at)gmail.com (flyer532(at)gmail.com)> wrote:
>
> 
> I am wanting to install a new voltmeter in my 14V Cherokee Six. What recommendations  do you have?  Where would be the best place to sample the volts with the master switch on?  Thinking maybe at the master switch itself but when I tried that the volts read 11V on a charged battery. Should I just come directly off the bus bar?


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eferrer" target="_blank">http://forums.matronics.com
===========
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rel="noreferrer" target="_blank">http://www.matronics.com/contribution
===========






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jluckey(at)pacbell.net
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PostPosted: Mon Mar 15, 2021 11:27 am    Post subject: Volt meter Reply with quote
The Master is no bueno because it's ground-seeking, so you are seeing the voltage drop thru the master solenoid coil.
In my Cherokee, I ran mine from the back of the cigarette lighter cuz it was close to where I mounted my voltmeter and it is already fused.
Just make sure you feed the voltmeter through a fuse or breaker.


-Jeff

On Sunday, March 14, 2021, 07:37:46 PM PDT, Daryl Thompson <flyer532(at)gmail.com> wrote:




I am wanting to install a new voltmeter in my 14V Cherokee Six. What recommendations do you have? Where would be the best place to sample the volts with the master switch on? Thinking maybe at the master switch itself but when I tried that the volts read 11V on a charged battery. Should I just come directly off the bus bar?

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nuckolls.bob(at)aeroelect
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PostPosted: Mon Mar 15, 2021 11:28 am    Post subject: Volt meter Reply with quote
At 07:28 AM 3/15/2021, you wrote:
Quote:
 Looking to keep tabs on the battery voltage but don't want to connect directly to battery and have a continuous draw when the master switch is off


For all practical purposes voltage are equal
across the bus structure. You can tie the add-on
voltmeter to any source on the bus. It's not
uncommon to simply tap an existing breaker . . .
no new breaker or needed.

The only time you're going to read 'battery voltage'
is if the alternator is not running. So as soon
as you power up the bus but before starting
the engine, the meter displays LOADED battery voltage
for what ever accessories are presently turned
on.




Bob . . .

Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"

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