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Old 02-23-2016, 04:01 PM   #21
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Cool find. I found it on Amazon.ca for $100 + $10 shipping. I also found it straight from China much closer to your price with free shipping. Slight markup on Amazon.ca!

I might hook this up to the solar panel side to monitor input voltages.
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Old 02-27-2016, 06:26 PM   #22
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Installed it last week and checked every 12VDC item in the rig and made a chart for them. Figured out the single 12V battery I have will only last the night with very judicious use. Sheesh, even the propane/CO det uses over an amp. Have only .4A parasitic draw that I didn't bother to chase down.
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Old 02-28-2016, 07:09 AM   #23
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Quote:
Originally Posted by hoppers4 View Post
Installed it last week and checked every 12VDC item in the rig and made a chart for them. Figured out the single 12V battery I have will only last the night with very judicious use. Sheesh, even the propane/CO det uses over an amp. Have only .4A parasitic draw that I didn't bother to chase down.
That's awesome! Any chance that you can share that chart?
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Old 02-28-2016, 09:25 AM   #24
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Current draw chart has been attached. Be aware that your numbers may vary as I've changed out some of the lights to LED. Namely the counter and outside lights.

The two numbers on the water pump are unloaded (tank is currently empty) and the numbers off the pump specs. I didn't bother to fill the water tank and measure the current draw under load.
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Old 02-28-2016, 09:40 AM   #25
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Looks like DROK has a smaller AMPS version listed on AMAZON. Looks like the exact BAYLITE model... Price is almost the same. Bet they both come from the same Chinese source...

I've been looking for my 70A current meter replacement which is not made anymore so I too will be getting a couple of these for my battery banks...

Have you actually tried to use this in REVERSE when charging your batteries. My other model does this but it is a DONUT sample verses a DC SHUNT.

I would really like to see how many amps my batteries are demanding when being charged as well. After i get past the initial charge mode I can switch to SOLAR PANEL to finish my re-charge cycle.

The only difference I see on my older display is when it reads the current going in the other direction it has a MINUS symbol on it...

Great catch thanks for the info...

We order everything we need from AMAZON for our OFF-ROAD Trailer or go down to LOWES for electrical parts haha

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Old 02-28-2016, 09:52 AM   #26
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Didn't try hooking up opposite polarity to get charging current.

Another thing of interest that I noted about the shunt is that it had two cuts sawn into the shunt itself. I'm assuming this was done to calibrate the shunt.

A second vote for Amazon and Lowes.
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Old 02-28-2016, 10:00 AM   #27
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I think Mustang mentioned to see charging status you only need to reverse the wires from the shunt to the meter. Also mentioned that you could add a switch to be able to go back and forth. That was said earlier in this thread.
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Old 02-28-2016, 10:12 AM   #28
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I didn't bother swapping the wires or putting in the switch because I was only interested in current draw. I only did a temporary connection as I'm not going to be using it permanently. I only hooked it up to get the numbers and then took it out.
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Old 02-28-2016, 11:27 AM   #29
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Now I am wondering if any harm will come to the digital meter if it measuring DC current in the reverse direction.

This will be hooked up between the battery neg terminals and ground. I will be using a four position BLUE SEA terminal block to parallel all of the batteries negative terminal.

My PD9260D converter/charger will be doing charging mode automatically so I may not be able to switch the meter polarity in time to catch this...

Might be a problem for my hookup...

This is my present hookup using the DONUT type current monitor on the POSITIVE side..


This is what the diagram will like using the DC SHUNT on the ground side of the batteries...


Both directions of DC current will occur here automatically depending what the PD9260D is doing...

Might be a game changer for me - cheap enough to try it out however...

Roy Ken
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Old 02-28-2016, 11:40 AM   #30
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I'm betting you know enough about electricity to put in an additional DPDT relay that will switch the monitor when the charger kicks in.
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