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Old 02-28-2016, 11:55 AM   #31
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Thanks Don - that's what I was thinking about... I can live with that -just flip the switch if i want to know how much DC Current the batteries want to see when charging...

Now another question - whn you had the MH connected to shore power did this meter read the 13.6VDC at the battery coming from the converter/charger unit. Then maybe drops down to the actual battery voltage when you disconnected the shore power cable...

Thats another DC VOLTAGE I like to keep tabs on when camping off the power grid as I do not want to let my battery bank ever get below 12.0VDC which represents a 50% charge state of the batteries.

Roy Ken
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Old 02-28-2016, 12:37 PM   #32
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Quote:
Originally Posted by RoyBraddy View Post
Now I am wondering if any harm will come to the digital meter if it measuring DC current in the reverse direction.
In your case I would recommend purchasing a second digital meter and wire it in the reverse of the original meter. This will allow you to monitor the current in either direction. It will not harm the meter if the current is going in the reverse direction. No switches to worry about. When I tested it on DW's old cart, it was set up for monitoring the battery discharge, which it did perfectly, and turned on the battery charger it just showed changes in the voltage.

There is also a voltage alarm setting on the display. I have not tested it yet. I do have the reversing DPDT switch (my switch wiring diagram in an earlier post) working on the meter.

Don
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Old 02-28-2016, 01:03 PM   #33
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Mustang definitely has a better idea. The meters are so cheap that a second one would work great. The meters should have enough impedance so a second one would not affect the readings. You'd just have to reset the meters from time to time.

Yes, the meter read 13.6VDC when hooked to shore power. No current was indicated. Unhook shore power and the meter dropped down to about 12.6VDC (after a brief resting period) and showed the current draw. Like Mustang said, no harm in reverse current flow, just no indication.
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Old 02-28-2016, 01:04 PM   #34
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Its looking better all the time - has a settable DC Volts Alarm too. Great. I will set mine to 12.0VDC

This is my current Battery Monitor Panel being two DC Voltmeters and one DC Current meter. No alarms when the DC Volts goes below a certain number. I think my Power Inverter alarms at 10.9VDC...

I need to get my AMAZON order going here before all you guys buy them out haha...

Roy Ken
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Old 02-28-2016, 01:31 PM   #35
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Here is a copy of the product information that came with the display. I just scanned it in. hope you can read it.

Don
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ELECTRICAL - Display Meter Inexpensive.jpg  
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Old 02-28-2016, 05:26 PM   #36
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oops
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2008 STARCRAFT 14RT OFF-ROAD POPUP with PD9260C and three 85AH 12VDC batteries
2010 F150 FX4 5.4 GAS with 3.73 gears - Super Cab - Towing Package - 2KW Honda EU2000i Gen
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Old 02-28-2016, 05:30 PM   #37
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Maybe i am missing something here.

I was not able to find the BAYITE PZEM-051 model meter listed at AMAZON. They do show the PZEM-061 model but it has a different voltage range...

I did find a PZEM-051 from ALIEXPRESS from China but would rather stay with AMAZON...

What is the exact BAYITE model meter we are talking about here...

Roy Ken
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I claim Horse Creek Country in Southern Ill - Momabear is from North Texas
We live in King George VA
RETIRED DOD DOAF DON CONTRACTOR Electronics Tech 42YRS

"We're burning daylight" - John Wayne
2008 STARCRAFT 14RT OFF-ROAD POPUP with PD9260C and three 85AH 12VDC batteries
2010 F150 FX4 5.4 GAS with 3.73 gears - Super Cab - Towing Package - 2KW Honda EU2000i Gen
K9PHT (since 1957) 146.52Mhz
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Old 02-28-2016, 05:42 PM   #38
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Was this the one you were looking at?
Robot Check
If you zoom in on the picture with it flipped over you can see the PZEM-051.
I think the part number in the listing is wrong.
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Old 02-28-2016, 06:14 PM   #39
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Thanks klassic... Found it on the AMAZON page now...



Will get my order in for a couple of them... Got two projects this season to upgrade my OFF-ROAD Battery setup one in the OFF-ROAD POPUP Trailer and the other in the Bed of my truck.

I'm not all that liking for the SHUNT types but I am never going to find one of those DONUT typs anywhere cheap like the one I have like now... The DONUT type you just run the BATTERY CABLE thru the hole and it is all connected up... No hot wires running anywhere..

thanks again - didn't want to order the wrong one and the description does not list the model number - didn't think about looking on the pictures...

Roy Ken
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Roy and Carolyn
I claim Horse Creek Country in Southern Ill - Momabear is from North Texas
We live in King George VA
RETIRED DOD DOAF DON CONTRACTOR Electronics Tech 42YRS

"We're burning daylight" - John Wayne
2008 STARCRAFT 14RT OFF-ROAD POPUP with PD9260C and three 85AH 12VDC batteries
2010 F150 FX4 5.4 GAS with 3.73 gears - Super Cab - Towing Package - 2KW Honda EU2000i Gen
K9PHT (since 1957) 146.52Mhz
"We always have a PLAN B"
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Old 02-28-2016, 07:40 PM   #40
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Quote:
Originally Posted by RoyBraddy View Post
Will get my order in for a couple of them... Got two projects this season to upgrade my OFF-ROAD Battery setup one in the OFF-ROAD POPUP Trailer and the other in the Bed of my truck.

If you have 2 projects why not wire the meters into a power plug and you can switch them between the 2 projects. You only need one shunt for each project and you can plug the meters into which project you want to monitor.

Don
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250Watt Grape Solar Panel, MorningStar MPPT 60 Charge Controller
1500 Watt Ramsond PSI, 2 Trojan T145 Batteries (260Ah)
2 - AirSight Wireless IP Cameras (used as rear view cameras)
EnGenius WI-FI extender, D-Link wireless (n) modem
MagicJack Internet Phone
2012 Ford F150XLT, EcoBoost w/3.73
157" Wheel base, HD Towing Package

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