Can't figiure out how to get amp meter to work. Using shunt resitor in negative side of 12v battery output with black and yellow wires.
1749650
Still does not work!! How to you use the internal shunt? all diagrlms show a shunt in use.
1749651
Black = Negative Supply, Yellow = Load Negative, Red = Load Positive (3 wire connector) Shunt required between Yellow & Black if over 10 Amps.Black = Negative Supply, Red = Positive Supply (2 wire connector).
1749652
Black = Negative Supply, Yellow = Load Negative, Red = Load Positive (3 wire connector) Shunt required between Yellow & Black if over 10 Amps. Black = Negative Supply, Red = Positive Supply (2 wire connector).
1749653
There is one red and black wire that needs to be connected to a separate power source. I used a 9v battery. Black goes to the side of she shunt inline closest to the battery, the yellow goes to the shunt closest to load. The Red goes to battery positive. I used the meter to measure amps from my inverter. Works great.
1396200
If it's only one strip, it will draw about 2amps so this meter will not read that accurately. Get one that has a built in shunt that will measure 5 or 10 amps and won't require the complexity of adding a shunt. Like this:DROK&reg: 0.28'' DC 0-100V 10A Digital Voltmeter Ammeter Voltage Current Tester Gauge Red Green Bright LED Display Five Wires Volt Amp Meter for Solar Battery Monitor Car Motor Panel Mount
1823061
I have no Idea-Suggest you contact vendor(It mst be very low>1 amp.and uses a small xformer(supplied)
1042254
What kind of charge controller are you using? and how are you measuring the wattage? How long are your wire runs? Make sure you use large wire size....#8 minimum. Are you charging a bank of batteries?
1064910
the shunt is internal and low-side, you want to connect the ground of your load to the yellow wire then ground the whole unit with the black, than connect the red to the voltage you want to measure
1592246
Im sorry I don't know about the amps, but have you checked to make sure the outlet you used was working- try plugging a lamp into it to make sure! Also check the connection where the charger plugs into the battery and see if there is something between the metal tangs. Lastly make sure you are using a 12V charger for a 12V battery- I once tried that with a 12V charger on a 6V battery and was stumped for days until we figured it out! Good Luck!
917453
I was unable to get the meter to read low amps. It would show amps when the load reached 40 amps and higher. Tried everything even with shunt. Customer was content to having a volt meter that would show voltage dropping on the inverter system.
1071370
I used a 12 volt car battery and a volt meter to figure out what was what use the volt meter on ohms to find the ground (usually black or white) then hook the negative side of battery to it and power the other wires with the positive side
568228
You have to use a "Shut" to wire across for the current to be measured. The voltage will be measured when connected to your source. I don't remember the wiring sequence, but it was spelled out in the instructions. If I remember correctly Yellow goes to the shut, Red - Source Positive, Black - Source Negative. You would need to double check my memory for accuracy.
1783833
I haven't done that yet. I'm not putting more that two amps through mine. but I would imagine that you would burn it up. I seriously doubt it is going to read over 9.99 amps. If you are determined to try this, before you try to put 30 amps through it, I would add a shunt in the circuit ahead of the amp meter.
1714292
Has anyone measured the actual output DC voltage when this unit is supplying 2.1 amperes of current? If so, what did your volt-meter read?
1714367
Swap it out with other one that does work. If it works you have defective wiring or connections. Check your fuses. Try different wiring harnesses. Try the simple one that just connects to a 12v outlet. Hope it works for you and the problem is a simple one. I've had mine about 6 months and they have performed very well. Good luck.
513394
After my last response I remembered how it was wired. You will need to read voltage at the battery. On the back of the meter is a plug with a 2 wire pigtail. The pig tail wires are red and black. The black wire goes to the negative post on the battery. The red wire goes to the positive post on the battery and the battery voltage will light up and you can read it all the time. The problem wiring it this way it is always on and can drain the battery of its voltage over time. The other way is wire the meter through an off and on switch. The black still goes to the negative battery terminal but you need to bring a red wire from the positive side of the switch and then on the wire coming out of the switch take that wire and connect it to the positive battery post. When you flip the switch off and on the meter will register. If you are not sure when the switch is on or off. A multimeter can be used. Set to ohms put one lead on one switch connector and the other lead on the other switch connector. One side will be able to read ohms and the other side will not as you flip the switch back and forth. The side that reads ohms goes to the positive terminal. Hope this all helps.
2033694
hook the inverter to the battery bank. there is no way to run those kind of amps through the battery controller.
997066
Try fresh set of batteries as 1st step- What makes u think meter not working?
533860
Radio Shack should be able to fix you up...the manual should give power specs so they can get you the right amperage and so on
289163
I will look to see if they sent me one. They may not have. In the mean time Google, "how to use an analog multi meter"