Thanks George.
I tried some of these types of units, and I burnt them all out. I talked to another guy who had the same bad luck with these types of instruments. Unfortunately, I have to keep them installed so I don't have holes in the custom made instrument panel on my boat. This annoys me. The problem is the power supply. It works fine with a 9 volt battery, but if you want to wire it your boats house power, as in my situation, it creates a short circuit condition.
Anyone else have any input on these things (shunt-wired, ebay variety LCD digital volt/amp meters). I would still like to get something in those holes that actually works.
I would still like a handheld multimeter for analysis/ diagnostics that I could just clamp around a cable to check DC amperage on different legs of the electrical system on the boat. Usually these are pretty expensive. Maybe I will just have to pony up the dough for a nice Fluke or similar.
Hans
--- On Sun, 8/9/09, George Kuck <chesapeake410@
From: George Kuck <chesapeake410@
Subject: Re: [Electric Boats] 39 dollar clamp on ebay ammeter.
To: electricboats@
Date: Sunday, August 9, 2009, 7:13 PM
Hello,
I purchased one several years ago but it was around $130.00. I did see a $39.00 amp meter on E-bay but it was not clamp on.
http://cgi.ebay. com/ebaymotors/ NEW-0-199- AMP-DIGITAL- DC-CURRENT- LCD-PANEL- METER-SHUNT_ W0QQitemZ3502323 67162QQcmdZViewI temQQptZMotors_ Aviation_ Parts_Gear? hash=item518b79d 03a&_trksid= p4506.c0. m245
--- On Sun, 8/9/09, Hans Kloepfer <hanskloepfer@ yahoo.com> wrote:
From: Hans Kloepfer <hanskloepfer@ yahoo.com>
Subject: [Electric Boats] 39 dollar clamp on ebay ammeter.
To: electricboats@ yahoogroups. com
Date: Sunday, August 9, 2009, 5:35 PM
Hey there. I would like a 39 dollar clamp on dc meter. Do you know if these are still available. I wanted one but all the clamp on ammeters I saw only did AC amps, or were a couple hundred dollars. Can you give a link or name the ebay seller that sells this 39 dollar meter.
Thanks,
Hans
--- On Tue, 8/4/09, Mike <biankablog@ verizon. net> wrote:
From: Mike <biankablog@ verizon. net>
Subject: Re: [Electric Boats] Xantrex XBM Battery monitor failure
To: electricboats@ yahoogroups. com
Date: Tuesday, August 4, 2009, 11:42 AM
Hi Arby:
Already have one. In fact that's what I used on the return trip. My $39 Ebay meter was clamped around the positive battery cable so I could adjust the propusion amount so that I was also charging the battery (a little) and not draining it while still moving forward under electric propulsion. Worked very well as opposed $$$ XBM. But, I needed to go into the cabin to see it. I'd like to find a unit that I could mount near the helm where the XBM is mounted. I'm looking for a remote current sensor that I could clamp around the 2 AWG battery cable and mount the indicating meter near the helm. I have already ordered a Paktraker that will be installed in the cabin to keep an eye on the individual batteries when down below. But, would like something at the helm too to monitor current draw when underway. Don't really feel like springing for another $$$$ Xantrex XBM right now after this failure. Any ideas?
Mike
http://biankablog. blogspot. com
--- On Tue, 8/4/09, Arby Bernt <arbybernt@yahoo. com> wrote:
From: Arby Bernt <arbybernt@yahoo. com>
Subject: Re: [Electric Boats] Xantrex XBM Battery monitor failure
To: "electricboats@ yahoogroups. com" <electricboats@ yahoogroups. com>
Date: Tuesday, August 4, 2009, 12:05 PM
Carry a clamp-on current meter, for goodness sake.
A 10ga wire has about .001 Ohms per foot, so if you have digital voltmeter you can get an approximate reading. 1 millivolt drop over 1 foot = 1 amp.
Be Well,
Arby
On Aug 4, 2009, at 1:06 PM, Mike <biankablog@ verizon. net> wrote:
I did a quick 18 nm mini cruise last week. I got started later than I planned (as usual <g>) and because lot the lack of wind I motored the first part of the trip. I was moving along at 5.5 knots SOG helped by a little current push. I could not tell how much because my knot meter had fouled. But, the real disappointment was that the Xantrex XBM battery monitor seems to have gone south so I could not tell how many amps I was drawing off the battery bank. It seems the display is kaput so that it reads "8888" all time time. I tried unplugging and resetting it. Still no good. It is a little disappointing because it was purchased in April 2008, installed last June and failed in July this year and of course the warranty is for one year! Has anyone had a similar failure with the Xantrex XBM battery monitor? On an electric boat it is like traveling without a fuel gage and is very helpful when testing and motoring as I was. Other than the Xantrex battery
monitor issue the electric propulsion preformed very well during the trip.
Mike
http://biankablog. blogspot. com
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