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New Gauges
I would like to replace my analog gauges 2 volts AC – and 2 amp draw meters AC with Digital meters has anyone done this?
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4 Replies
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Why?
I have digital and analog gauges reading the same circuits and I get the same information from both. In fact the digital is so sensitive its reading in tenths and hundredths of a volt it bounces its numbers all over the place. It is accurate, but the lack of damping is kind of goofy.
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Art,
I wanted to do the same many years ago with my 97 Royale, but the problem was the transformers (doughnuts) were in the rear passenger side electrical cabinet. At the time I couldn’t find a way to convert the existing wiring to work with digital. I considered just adding digital gauges near the electrical cabinet, but decided against that. I did change out the old swing needles for new ones and that helped the accuracy.
Maybe they now make wireless transformers or someone knows a work around.
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My Foretravel had nice digital gauges and seemed more accurate I guess I could fine tune these ones.
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As a practical matter just how accurate is considered accurate? And just how exactly are we to determine if the reading is correct?
This is a serious question because when I made the switch to Li it was important for me to be absolutely certain I never exceeded or dropped below values the Li battery manufacturer listed as limits.
So I have my inverter remote panels with their voltage display. I have an “accurate” digital voltmeter with alarms intended to provide an alert if I approach a limit. I have a fluke multi-tester I always assumed was accurate.
To add to the digital displays I also have two analog gauges. I have three if I want to include my Prevost dash voltmeter. No two of the five agree. But all are within a tenth of a volt, or under some conditions within 2 tenths of a volt.
Since my voltages swing over a range from a low of when my inverters come out of silent mode to recharge to float, to a high when my inverters first receive shore or generator power and are in bulk are well inside my battery allowable range I stopped giving any thought to what display is the correct voltage.
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