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Old 04-12-2015, 04:28 AM   #1
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Volt meter recommendation?

Can someone please recommend a voltmeter to surface mount inside the trailer, possibly with an alarm? It will be relatively close to the batteries and connected with 6 ga wire, so readings should be accurate.

I'm not interested paying $150 for a Blue Sea Systems version and Chinese sources (i.e., direct shipped) aren't an option due to timing. Otherwise, I welcome suggestions.

A cheap weatherproof version I can mount on the external battery box might be interesting, too, but the reliable interior mount job is a must.

I've seen mention of different installations in this forum but can't seem to find any when searching.

Thanks

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Old 04-12-2015, 06:52 AM   #2
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Something like this for outside?

12V 24V LED Digital Display Voltmeter Voltage Meter Panel Marine ATV Boat Car | eBay

I would think a boat dealer would carry something in the parts/show room
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Old 04-12-2015, 07:02 AM   #3
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Can't help with meter but You shouldn't need a heavy wire like #6 to power it. There's no real load or amp draw from the display. Goodluck
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Old 04-12-2015, 09:25 AM   #4
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Something like this for outside?
Yes, those look good. I like the price. I'm not concerned with delivery time on the outside meter because I don't need it before I leave.

Thanks



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Old 04-12-2015, 09:29 AM   #5
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Can't help with meter but You shouldn't need a heavy wire like #6 to power it.
Not so much to "power" it but I'm led to believe the readings can be off if the wire is too small. It's only a couple of feet and I'm probably moving my converter to the location where the meter will be, so that justifies the heavy wire.



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Old 04-12-2015, 09:54 AM   #6
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Can't help with meter but You shouldn't need a heavy wire like #6 to power it. There's no real load or amp draw from the display. Goodluck
^^^^
My Trimetric came with approx. 16 gauge (might even by 18) wire to monitor volts/amps/etc.
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Old 04-12-2015, 09:57 AM   #7
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Saw this on eBay. Don't know anything about it though.
Blue Mini Digital DC 5 0V 30V LED Voltmeter Voltage Volt Panel Meter Gauge | eBay
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Old 04-12-2015, 01:54 PM   #8
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Originally Posted by chriscowles View Post
Not so much to "power" it but I'm led to believe the readings can be off if the wire is too small. It's only a couple of feet and I'm probably moving my converter to the location where the meter will be, so that justifies the heavy wire.



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Never heard of that. You will have voltage drop with long runs of wire but if you say only a couple of feet your wasting your money for nothing on larger wire. Jmo
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Old 04-12-2015, 04:12 PM   #9
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Never heard of that. You will have voltage drop with long runs of wire but if you say only a couple of feet your wasting your money for nothing on larger wire. Jmo
OK. Yes, it's just on the other side of the front wall of the trailer, right behind the batteries. I'll postpone buying the heavier stuff until I buy/move the converter/charger, if that ever happens.

This just got delivered. I need the USB and 12v power port in the place I'm locating it. I'll use an appropriate gauge wire for the ~10A max it will carry. This table tells me that 18ga should be good. Having 16 ga on hand, I'll use that.

I don't know how accurate the VM is but it will serve reasonably for now. I'd like to get one with an alarm (and proven accuracy) but don't want to pay a lot.

Thanks

Edit: fixed hyperlink
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Old 04-12-2015, 04:20 PM   #10
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The link you just posted (this) gives a 404 error code.
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