Voltage Gauge????

Electrical/Electronics discussion
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Sabs28
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Voltage Gauge????

#1

Post by Sabs28 » Fri Mar 22, 2013 1:45 pm

I am installing a voltage gauge in my boat. Any suggstions on brands & where to get one??? I saw a nice LED one in the "JEGS" magazine. Does it have to be "Marine Type" gauge?? My current gauges fog up a bit once in a while, not sure who makes them, they came with the boat. I don't really want to get into a whole new set of gauges if I can help it, just want to add a voltage gauge. Boat currently does no have one.
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Chaps
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Re: Voltage Gauge????

#2

Post by Chaps » Fri Mar 22, 2013 10:18 pm

I've found that most digital non-marine volt meters can't cope with the spikes and transients common to boat systems. When I rigged my boat I wanted to use these:

http://www.alliedelec.com/search/produc ... U=70101345

I fried the first two I installed then re-read the instructions where they explained for marine use a buffer circuit needed to be incorporated

So did that and now working great
1987 24' LaConner pilothouse workboat, 225 Suzuki
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Sabs28
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Location: New Hampshire

Re: Voltage Gauge????

#3

Post by Sabs28 » Sat Mar 23, 2013 5:54 am

Thanks Chaps. That will work just great :thumbsup: And where would one obtain a buffer circuit??? I have heard of them before but can't remember from where. My electric trolling motor has what is called a "Transiant voltage suppressor". Looks like a resistor. From what I was told it helps with sudden voltage spikes. :popcorn:
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Chaps
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Re: Voltage Gauge????

#4

Post by Chaps » Sat Mar 23, 2013 11:54 am

They have a schematic on the install sheet, go to that link above and click on the pdf file for "datasheet". It takes a resistor and a couple of diodes which I put together on a circuit bread board, in fact I did 3 of them (on one board) because I wanted a gauge for each of my 3 batteries.
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1987 24' LaConner pilothouse workboat, 225 Suzuki
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Sabs28
Donator '11 '12 '13 '14 '15
Posts: 648
Joined: Mon Mar 14, 2011 11:57 am
Location: New Hampshire

Re: Voltage Gauge????

#5

Post by Sabs28 » Sat Mar 23, 2013 4:28 pm

Thanks again Chaps. The RadioShack down the street from work carries all that stuff & it is short $$ last time I checked.
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