kWH or AH meter wtb
By TAH, Section Classifieds Posted on Mon Dec 03, 2007 at 04:03:06 AM MST
kWH or AH meter wtb

Looking for a simple cheap KWH or Amp hour meter for 24vDC

kWH or AH meter wtb | 13 comments (13 topical)

Re: kWH or AH meter wtb (3.00 / 0) (#1) by snowcrow on Mon Dec 03, 2007 at 04:50:19 AM MST

Hi TAH, I don't know what you consider cheap but, I think the biggest bang for your buck is on this page: http://www.rc-electronics-usa.com/buy-products.html I buy one a few weeks ago and I'm really happy with it!! There are two models to choose from and they are made in the USA!! Blessings, Snow Crow

Re: kWH or AH meter wtb (3.00 / 0) (#5) by Boondocker on Mon Dec 03, 2007 at 02:50:01 PM MST

I found it to be a good product also.  The Doc Wattson model can total more Kwh before rolling over than the other model. [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#6) by DanB on Mon Dec 03, 2007 at 06:59:35 PM MST

Im in the same camp...  I've used the 'Doc Wattson' meter for a few months now.  I think it's a great little meter at a great price (so far... time will tell) [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#7) by snowcrow on Mon Dec 03, 2007 at 07:36:16 PM MST

Hey DanB, seeing your setup is what inspired me to buy one and I'm glad I do!!  I thank I'll even buy a second one!!  Nice setup by the way!! Blessings, Snow Crow [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#8) by snowcrow on Mon Dec 03, 2007 at 07:38:45 PM MST

TYPO:  I think I'll even buy a second one!! [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#9) by TAH on Mon Dec 03, 2007 at 09:26:28 PM MST

That looks like it will work. It says it will handle 100 AMPs has anyone gotten close to that? [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#12) by TomW on Tue Dec 04, 2007 at 05:29:33 AM MST

TAH; In IRC last night Dan told me his has passed 130 amps [over the rating]. So thats second hand info but probably factual. Cheers. TomW The Truth is the Truth, even if no one believes it; and a lie is a lie even if everyone believes it [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#2) by wooferhound on Mon Dec 03, 2007 at 07:43:15 AM MST

I would say to make an amp meter from a Shunt and a VoltMeter http://www.fieldlines.com/story/2007/8/21/19914/7054 http://www.fieldlines.com/story/2007/3/28/71210/8066 http://www.fieldlines.com/story/2006/11/17/201828/63 W o o f -={(

Re: kWH or AH meter wtb (3.00 / 0) (#3) by Volvo farmer on Mon Dec 03, 2007 at 08:51:59 AM MST

He wants an amp HOUR meter Volvo Farmer [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#4) by wooferhound on Mon Dec 03, 2007 at 11:08:41 AM MST

I think I'm starting to read too fast W o o f -={( [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#10) by Speo on Mon Dec 03, 2007 at 10:11:21 PM MST

The 'Doc Wattson' meter monitors only the amphours used from the battery, right? Is it possible to monitor the amphours into the battery too? Can we use two of them, one between the generator and the battery to monitor the amphours into the battery and one between the battery and the inverter to monitor the amphours used from the battery and to compare the readings to find out the state of charge? Speo

Re: kWH or AH meter wtb (3.00 / 0) (#11) by AbyssUnderground on Tue Dec 04, 2007 at 01:26:18 AM MST

I was thinking this, and yes, you should be able to use two, one for in and one for out. http://www.repowered.co.uk - My Renewable Energy site. msn[at]m3ezw.co.uk - my msn if you want a chat. [ Parent ]

Re: kWH or AH meter wtb (3.00 / 0) (#13) by Speo on Tue Dec 04, 2007 at 11:55:02 AM MST

Instead of using two of them to find the state of charge, the one between the battery and load would be enough, IF it could reset itself when the battery is fully charged (hook the reset button somehow to the diversion part of the controller?). Speo [ Parent ]

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