Thank you. learned more in your 3 minute video, then the last hour of research. Now I have a good direction to further study.

@LDSreliance

8 жыл бұрын

You are welcome. Glad I could help you out. I also could not find good info out there before I posted this video.

@samuellin9217

3 жыл бұрын

Same… had no idea I need a shunt

thanks man! very good of you to share your findings and knowledge. I want to do something very similar with a small power outage battery back. and you have helped me here.

@LDSreliance

7 жыл бұрын

Good, glad I could help. Thanks for watching!

Excellent video, this is just what I needed to better understand how a shunt and an ammeter work together to measure current. Thank you for making this.

@LDSreliance

3 жыл бұрын

You are welcome! Thanks for watching.

You can do that if you have a shunt. An ammeter is basically a voltmeter that reads the voltage as it passes through a resistor (the shunt) with a known resistance. The ammeter then displays the amps as converted by Ohm's law.

Thank you very much for that very short, precise and informative video. Had an ammeter for some time and had no idea how to wire it in. Again, thank you.

@LDSreliance

5 жыл бұрын

You are welcome. Thanks for watching!

hi, thanks for the vid, the only thing i cant figure out is what would be the load an a car be when only the ignition is on,( eg, were would i connect the load too presuming earth is just to earth ) would appreciate some help with this ? thanks again.

Austin, current is measured in amperes and voltage is measured in volts. With your multimeter set to read voltage (say the 20v setting), putting the red positive lead on the positive side of a battery and the black negative lead on the negative side will give you how many volts the battery is pushing out. With your multimeter set to the 10A setting, you can measure amperage in the same way but only for a VERY short amount of time or you will burn out the leads. Less than 10 seconds.

Thank you this was great video may who ever above bless you for 2 burned up shunt, now we all can benefit from your exprience to not house catch fire . I really apricuate shearing your exprience sir. Its keeps me my family safer because of you thank you sir🙏😀.

the only person i found explaining the shunt short and to the point. thanks alot..

@LDSreliance

3 жыл бұрын

You are welcome. Good luck and thanks for watching!

Thanks for the share. May the force be with you

thank you this was exactly what i was looking for ;)

@LDSreliance

10 жыл бұрын

Awesome. Thanks for watching!

Thank you very much. Very simple but very helpful video!!!!!!!!!

@LDSreliance

10 жыл бұрын

You are very welcome. Glad it helped!

I am not an expert. I do understand how many amps are being used and the importance of an amp gauge. Your video is very helpful. Thank you for being so simple in explaining it. Great video.

@LDSreliance

8 жыл бұрын

+Tom Rocks Thanks! I appreciate that. Be sure to thumbs up the video and/or subscribe to help me out. Thanks for watching.

Thanks for taking the time to make the video. Very useful.

@LDSreliance

10 жыл бұрын

Thanks for the support!

Thank you, I needed this basic refresher

thank you, thank you.. bought it from china. been looking an researching a days.

can you use the negative wire on the shunt instead of the positive like in your video?

This has helped me understand a shunt and how it works. Thank you.

@LDSreliance

9 жыл бұрын

roosteruk1966 I am glad. Thanks for watching!

Dude, literally a perfect video of what I needed to see.

@LDSreliance

4 жыл бұрын

Awesome, glad I could help!

Wow great video thanks it helped a lot in my test and cleared all my doubts

@LDSreliance

10 жыл бұрын

You are welcome. Thanks for the feedback!

thankyou for the video. So right the ammeter and shunt comes without any wiring instructions, so your instruct is greatly appreciated,regards collo

@LDSreliance

8 жыл бұрын

+collo1712 You are welcome. Thanks for watching!

@LDSreliance

8 жыл бұрын

+collo1712 You are welcome. Thanks for watching!

Very well illustrated, thank you. Going to build a "car cooler" on steroids but want the whole thing to be reliable and not kill an 80ah battery. All of the decent ammeters I looked at were not through design but required a shunt. Thanks for the video.

@LDSreliance

10 жыл бұрын

Yeah, there are very few ammeters out there that don't require you to run a shunt with it. The ones that don't are much more expensive and have one already built in.

Hey thanks for this, buddy, I have to adjust the voltage regulator on my '61 Oldsmobile and this is needed, in conjunction with a load tester. This was a perfect video because like you said, those little ammeters come with no instructions. Cheers from MN!

@LDSreliance

23 күн бұрын

You are welcome! Good luck on your project!

Ah so I would have blown mine up almost instantly! That was helpful, thanks.

@LDSreliance

Жыл бұрын

You are welcome! Glad I could help. Thanks for watching.

Thanks for keeping this to the point . Good job your time was appreciated.

@LDSreliance

10 жыл бұрын

Thanks, Bobby! Glad you found it useful. Be sure to subscribe for other similar videos in the future.

Thank you. I need to put a shunt+Ammeter for 400kva UPS with for 415Volts, 200Ampere load. What should be the specifications for shunt and Ammeter

Would you please tell me can I use the same Shunt to measure 12 Volt 45 AMP Car Battery?

Tks for sharing. o bough a HAU AMP 50a and do not want to use Shunt. The thing is the needle jumps to 50A when i plug a load of 1A. May the ammeter be deffective? tks

Excellent tutorial. Quick and to the point.

@LDSreliance

2 жыл бұрын

Thanks, John! I appreciate that.

Thanks LD it really help us to complete our project.

@LDSreliance

10 жыл бұрын

Awesome, glad I could help!

A Nice simple explanation, Thanks for posting.

@LDSreliance

10 жыл бұрын

Harry Haefner Thanks for watching and for the feedback!

Can I just add a full bridge rectifier between the shunt and the “voltmeter” to sense AC? There might be some weird offset because the ems voltage is not the same as the average voltage right?

@jamescole3152

3 жыл бұрын

This one is for dc current. Some are for ac.

Outstanding vid. Simple, easy to understand. Thank you!

@LDSreliance

Жыл бұрын

You are welcome. Thanks for the comment and for watching!

Thanks, that is all I needed to know.

@LDSreliance

6 жыл бұрын

You are welcome. Thanks for watching!

Thanks so much for posting this! You are an awesome teacher :)

@LDSreliance

10 жыл бұрын

You are welcome! Thanks for watching.

thanks for simple and concise example. one can never be too careful when trying to measure 100's of amps (low voltage only, of course). thanks.

@LDSreliance

9 жыл бұрын

You are welcome. Glad you found it useful!

Thank you for that demonstration.

@LDSreliance

5 жыл бұрын

You are welcome. Thanks for watching!

Awesome bro..... directly to mind

Thanks for sharing, if I am replacing the amp meter with PLC input, how can I avoid to blow up my PLC analog card?

@LDSreliance

7 жыл бұрын

Find out what amount of maximum current that your PLC card can handle and then use the appropriate shunt.

@empty0303

7 жыл бұрын

thank you :)

Thanks. It really helps to see a practical example.

@LDSreliance

2 жыл бұрын

You are welcome! Thanks for watching and commenting. I hope this video can help more people.

hello..! I made a testing rig to set the preset on some desire Current of my device. I want to replace my electric motor(10A, 220V, 2HP) by any other electric load. Can you suggest me which kind of load suites on my app.? Thanks.

thanks so helpful and useful

@LDSreliance

3 жыл бұрын

You are welcome. Thanks for watching!

thanks for showing this , Question, since the Shunt has resistance, so we need to calculate with the resistance right ?

@LDSreliance

3 жыл бұрын

The resistance is calculated for you. The shunt will have a rating on it with the value. Then you just need to match it with an ammeter that is calibrated for that resistance.

Simple setup now i understand how it works , nice video.

@LDSreliance

4 жыл бұрын

Thanks! I appreciate that.

Thank you for explaining the connection, this cleared up my questions.

@LDSreliance

10 ай бұрын

You are welcome. Glad it helped!

Plain and simple, the best kind of video.✌

@LDSreliance

4 ай бұрын

Thanks! Glad you liked it.

thank you this was exactly what i was looking

@LDSreliance

5 жыл бұрын

You are welcome. Thanks for watching!

Thank you a bunch. Great video and to the point. I like it.

@LDSreliance

10 жыл бұрын

Thanks for the feedback!

Thank You LDSerliance, I have a question, I'm trying to measure a 12-14DC Amp output with a multimeter that has a 10 Amp DC maximum tolerance. My question is the following: Can I use a shunt with a resistance or approximately 2 ohms and measure the DC Volts; once this is done, use Ohm's law to calculate the DC Amps? Once this is done, the DC amps that I measure using the shunt will be less than 10 amps. Then just work the backwards to find the DC Amps without using the multimeter. Would this work?

@LDSreliance

9 жыл бұрын

aggienica Yes if you know the resistance of the shunt or resistor then you can use Ohm's law to calculate the current.

Thanks for sharing

@LDSreliance

3 жыл бұрын

You are welcome. Thanks for watching!

Thank you very much for the Information

@LDSreliance

8 жыл бұрын

+jaya rupan You are welcome. Thanks for watching!

Fantastic video. Very informative. Thank you

@LDSreliance

Жыл бұрын

You are welcome. Thanks for watching!

Thank you!

so the amp meter, in order to work correctly needs a 75mA right? how can someone calculate what shunk he needs for a specific amp load?

@LDSreliance

9 жыл бұрын

Each meter will be calibrated for use with a specific resistance shunt. You can calculate it yourself if you want but the manufacturer of the meter should have that information provided in the specs. Some meters have a small shunt built in to the meter itself if it is a really low amperage unit. If it handles lots of current, though, it will need a large external shunt like mine.

Great video and explanation.

@LDSreliance

10 жыл бұрын

Thanks for the support!

Excellent / Excellent video you made there sir.

@LDSreliance

6 жыл бұрын

Thanks! I appreciate it.

thankyou you were a big help !!!

@LDSreliance

9 жыл бұрын

Ed Trulson You are very welcome. Please thumbs up this video and subscribe to help support my channel!

So for my automotive application that I'm looking at doing something like this for, I would need a 12V 390A shunt and meter? I'm running a 390A alternator hooked up to a 3000 watt inverter that I pull around 1500 watts AC and wanted to keep an eye on my amperage and voltage draw.

@LDSreliance

2 жыл бұрын

Yes, you would need a shunt that can measure that much current. So the shunt needs to be at least 390A and needs to be matched to your meter. The meter will be designed to work with a specific resistance so it will be rated for a certain mV and the shunt needs to be the same rating. Be careful with that much current! That can start a fire almost instantly.

What about the letters and numbers on the left side of the shunt at 0:26? Isn't that some form of calibration of the shunt which needs to match with the ammeter?

@LDSreliance

7 жыл бұрын

Yes, the shunt has to match the ammeter. This ammeter in the video requires a 75 mV shunt.

Thank you for posting this L..

@LDSreliance

8 жыл бұрын

+Terence Kaye You are welcome. Thanks for watching!

THANK YOU.. I BURNED 2 UP!! SO I FEEL YOU ON 3RD TIME LUCKY!! THANKS MATE!

to measure amp from Solar panel, can I connect + panel to shunt and from shunt to solar + in solar controller and - panel goes directly to solar - in solar controller ?

@LDSreliance

7 жыл бұрын

Yes, that is correct.

you are measuring dc amps when inverter is truned on? How would hook up a dc amp meter , to measure amps, coming from your solar panels? Another question, measuring the dc amps going going too your battery bank? thanks

@LDSreliance

7 жыл бұрын

You just need to wire the shunt in series with whatever load you are trying to measure the current for.

@LDSreliance

7 жыл бұрын

***** The math for what?

@donaldsteele6276

5 жыл бұрын

I thought you was supposed to wire negative from battery on big nut and wire incoming or out going current negative on the other large nut? I never hooked up positive power to my shunt only negatives on the large nuts.

I have a 100v/500amp I want to use on my welding leads. So I would put the shunt in the positive welding lead to measure the amps?. But measure the voltage between the the positive and negative welding leads?

@LDSreliance

Жыл бұрын

Correct.

@pl747

Жыл бұрын

@@LDSreliance thanks

So the positive on the meter connects to the power supply positive And the negative meter out connects to the load positive ? Thank you

@LDSreliance

Жыл бұрын

Yes, it needs to go in series with the positive side wiring of whatever you are measuring.

LDS, since the meter and shunt are essentially in parallel, can both sets of leads actually be on the meter and not the shunt ? I had a situation with a control panel the other day that was simple enough to do if this was OK but would be a rewire nightmare if not. I still have the "+" wire from the source going to the "+" side of the meter, the "-" wire from the meter going to the load. The Shunt is wired with separate leads from the meter in parallel. Gauge and meter specs match (0-25 ADC, 50 mV).

@LDSreliance

8 жыл бұрын

+Jerry Taylor I don't think it works that way. I have never tried it that way, though.

Good on ya mate, I found the video very helpful, thanks.

@LDSreliance

Жыл бұрын

Thanks, Greg! Glad it helped you.

thanks for sharing...

@LDSreliance

2 жыл бұрын

Thanks for watching!

Thanks Great Vid !!!

@LDSreliance

8 жыл бұрын

You are welcome. Thanks for watching!

Helpful video

@LDSreliance

7 жыл бұрын

Thanks! I appreciate that.

An ammeter shunt allows the measurement of current values too large to be directly measured by a particular ammeter. In this case the shunt, a manganin resistor of accurately known resistance, is placed in series with the load so that all of the current to be measured will flow through it. In order not to disrupt the circuit, the resistance of the shunt is normally very small. The voltage drop across the shunt is proportional to the current flowing through it and since its resistance is known, a voltmeter connected across the shunt can be scaled to directly display the current value. Shunts are rated by maximum current and voltage drop at that current. For example, a 500 A, 75 mV shunt would have a resistance of 0.15 milliohms, a maximum allowable current of 500 amps and at that current the voltage drop would be 75 millivolts. By convention, most shunts are designed to drop 50 mV, 75 mV or 100 mV when operating at their full rated current and most ammeters consist of a shunt and a voltmeter with full-scale deflections of 50, 75, or 100 mV. All shunts have a derating factor for continuous use, 66% being the most common. Continuous use is a run time of 2+ minutes, at which point the derating factor must be applied. There are thermal limits where a shunt will no longer operate correctly. At 80 °C thermal drift begins to occur, at 120 °C thermal drift is a significant problem where error, depending on the design of the shunt, can be several percent and at 140 °C the manganin alloy becomes permanently damaged due to annealing resulting in the resistance value drifting up or down. Here is some good reading on this. en.wikipedia.org/wiki/Shunt_(electrical)

@LDSreliance

9 жыл бұрын

This is a great explanation. You should do some videos :)

@KellyHuwe

9 жыл бұрын

LDSreliance ill think about that some day but right now I'm a bit busy teaching electronics online. For right now I try keep it simple and point in the direction of correct knowledge.

@LDSreliance

9 жыл бұрын

Awesome, keep up the good work!

@JustinAtwell1

9 жыл бұрын

Thanks for another explanation. To get an even more comprehensive understanding of it, you can remove the ammeter without affecting normal load performance? The shunt's purpose is to provide a measurable load to a small meter? Could you have a larger rated ammeter that is suited to measure current (say, up to 12v 20A) without a shunt and without affecting load performance? Like, I have a multi-meter that can measure up to 10A. Does that use a shunt inside somehow?

@LDSreliance

9 жыл бұрын

Justin, to my understanding ammeters measuring 10a and above (maybe even less) all use shunts. The problem is that with higher current comes higher temperatures and potential damage to the sensitive electronics. So they have to pull a small amount of current through a measured/calibrated shunt so that they don't fry it. I have seen small ammeters of like 1a that do not have an internal shunt.

When do I need the shunt....for a solar charger in my Ford?

@LDSreliance

6 жыл бұрын

If you are wiring in an ammeter you will need a shunt. Unless you are measuring very small current (like 10A or less) then your meter might have an internal shunt. Make sure you read the fine print of the product.

In a DC circuit should the Ammeter or Load be connected to the Positive connector?

@LDSreliance

5 жыл бұрын

In my experience it doesn't matter which you use.

Super, thanks Cheers from the low countries

@LDSreliance

3 жыл бұрын

Thanks for watching!

My battery charger had the old ammeter with the sensor? encircled/wrapped around the negative cable. Is this a different system? Sorry I don't know what the terminology of the type I had. If I buy this style of ammeter with the shunt, as pictured in your video, does all the output have to pass thru the resistor, or does the resistor just protect the ammeter and allow unrestricted current to flow to the battery? Thanks in advance!

@LDSreliance

Ай бұрын

In order to measure the current, it has to pass through the shunt. The style shown in the video has a physical device with a known resistance that can measure it as it passes across the device. There are also devices called hall effect where there is a loop around the negative or positive cable that measures the current that way without being physically part of the circuit. However, I don't believe those are as accurate (I could be wrong).

uma duvida! tenho um amperimetro analogico corrente ac alternada, 30 amper, e vou colocar em um aparelho bem forte, ( um chuveiro) seria nescessario colocar um shunt no amperimetro para guentar altas tensoes, ou pode ligar direto passando por ele sem frescura,? pode seguir a regrinha da soma de multiplicarr o valor de 220v x 30a = 6600w suportaria isso sem queimar o medidor, minha tensao aqui e de 220 volts?

@LDSreliance

2 жыл бұрын

I'm not sure on an AC ammeter. But you almost surely need an external shunt for 30A. Very, very few ammeters have an internal shunt that can handle 30A.

How do you power a 120v inverter to charge a cordless drill from a little battery??!!

@LDSreliance

6 жыл бұрын

That is pretty easy. You just need to connect the positive and negative terminals of the battery to your inverter. What model of inverter is it? Does it have a cigarette lighter adapter or does it have positive and negative terminals on the side?

last we my boss used 1.5mm gauge wire of about 30 meters long to hook up to 40/5 voltmeter and Ct but at a distance of 1 meter we were getting 14A on the ammeter and 0 at a distance of 30 meters . so i quickly measured the voltage and i told him sir , theres is a voltage drop . He said we are measuring Amps and you are talking about voltage. I got confused and didnt know what i could use to eplain to him. Now i can thanks ......And thats a shunt

@LDSreliance

11 ай бұрын

You are welcome!

Thanks, good vid.

@LDSreliance

4 жыл бұрын

You are welcome. Thanks for watching!

Is it possible to install a Shunt on the the Negative Side of a 110V AC. To 12V DC. Converter to read the DC. Battery voltage , Current and Amperage of the system ?

@jamescole3152

3 жыл бұрын

Of course. Just make sure it is on the dc side not the ac side.

Thank you.

Thank you

thanks but from my understanding of measuring current you need to measure current in series and therefore you can take as much time as you want without damaging the fuse in the multimeter

after 2 hours of searching :D finally someone that tells me wtf is that - on it :D :))

@LDSreliance

4 жыл бұрын

Nice! Glad you found your answer.

What is the difference between the analog and digital ammeter

@LDSreliance

6 жыл бұрын

Nothing really. Just the way it displays the information. They will both use a shunt.

@99hari55

6 жыл бұрын

Digital meter have more accuracy than Analog Meters

@poicly9217

6 жыл бұрын

no. the analog meters have the best accuracy but the bottleneck lays at the human. they can mistake it for another value. digital meters also have this downside but this lays at the inside electronics.

I need a amp meter for around 300 amps. 500would be nice. all I found were shunts. no meters. can you point me in the right direction?

@LDSreliance

6 жыл бұрын

Answered your other comment.

Glad I watched this, that + - on the meter would have caught me out.

@LDSreliance

4 жыл бұрын

Yeah it is confusing.

I recently purchased an old Triplett 0-5 Amp AC meter on E-Bay and was wondering if the AC meter requires a shunt before installing it in series with the AC house line I also have ordered an AC 0-150 volt meter to go with it. I guess if it does I'll play hell getting the info on the milliamps and meter resistance. The voltmeter should be a nobrainer though. Thanks, Ed Allen

@LDSreliance

8 жыл бұрын

+MedHawk Unfortunately, I don't know a lot about AC power so I can't answer about wiring in an AC amp meter. As for the volt meter it would wire up the same as in a DC system where you connect the positive lead to the positive wire and the negative lead to the ground wire.

@medhawk4885

8 жыл бұрын

Thanks for replying and I appreciate it.

@collo1712

8 жыл бұрын

+MedHawk , wouldnt you need a current sensing coil for an AC amp meter. They wont work if connected the same as a DC meter.

@jimacheson4933

Жыл бұрын

MedHawk, the shunt should be built into the Triplett

thanks great vid

@LDSreliance

7 жыл бұрын

You are welcome. Thanks for watching!

thanks alot

@LDSreliance

11 ай бұрын

You are welcome. Thanks for watching!

thank you.,i wish i could have seen your video before i burn my meter .,thanks for sharing

@LDSreliance

8 жыл бұрын

+RAMM GARR Yeah well I fried 3 of them so don't feel bad! Good news is they are fairly cheap. Thanks for watching!

Hi. Is it neccesary to have a shunt for analog ammeter? Coz i bought an analog ammeter but without a shunt resistor. Thank

@jamescole3152

3 жыл бұрын

I know the sellers online are very poor at stating whether a shunt is needed. I have bought about 6 of them and plan on testing them with a shunt first. The shunt will protect the meter from meltdown.

If I place an ammeter between the Solar charge controller and the battery to monitor the panel output would I need to do it via a shunt. As I see it any load will come directly from the battery not the solar controller and provided the ammeter is rated above max amperage of the panel no damage can be done if that makes any sense. Thanks

@LDSreliance

10 жыл бұрын

You are thinking like I did when I fried my first 2 meters. Unfortunately, the amperage rating of the ammeter means nothing. It is simply how much amperage the meter will read on the scale. It does NOT mean that is how much the meter can safely read before it blows up. The shunt is absolutely always necessary because the meter is calibrated to read the current across the shunt, which is a known resistance. If you want to measure amperage without using a shunt, try a clamp on meter rated for DC voltage. But you are going to pay a lot more.

@VanBooter

10 жыл бұрын

LDSreliance Thanks for the prompt reply har har penny has dropped and that makes a whole lot of sense now. That's the problem being a DIYer trying to understand electricity using carpentry skills. Just found the parts on ebay guess where from meter and shunt for £6 so blow the expense :) order has gone in. Oh and thx for saving me 2 meters.

@LDSreliance

10 жыл бұрын

You are welcome. Glad you found it useful! Good luck

All of the shunts I've seen were fitted on the negative side?

@LDSreliance

8 жыл бұрын

+Eoquencawacha Yeah, lots of people have commented on that. It seems to work on both. I have yet to hear why it should be done on the negative side as opposed to the positive side from anyone. Maybe it is just one of those things that is done that way just because everyone has always done it that way?

@lesman3019

6 жыл бұрын

it is most common to put the shunt on the battery negative but only necessary if the measuring instrument uses the same battery for it's power. If a totally independent powered instrument is used then the shunt could be on the positive terminal as the voltage drop across the shunt is all that is required to measure the current flow. The type I have do not use the battery negative as a reference. It is also recommended that a battery isolator unit is included if the same battery is used to power the instrument as is being measured. This also separates the instrument from the measured battery. Read more at www.ybw.com/forums/showthread.php?424667-Ammeter-shunt-positive-or-negative-side-of-load#pigGTsrFvDvx00OS.99

Do the Digital AVO meter, has a built-in shunt?

@LDSreliance

6 жыл бұрын

Some do but they only measure a very small amount of current, like 10A or less. Most are more like 1A or less. Look at the fine print or detailed description of the product to be sure it has one. Don't assume it does.

How would I know what shunt to use if I have a ameter with a 10amp (75mV I think) built in shunt? I want to use it with up to 100 amp load

@alainsaaiman4975

7 жыл бұрын

Thank you. Turns out with the built in shunt it didn't show accurately with an external one.

@LDSreliance

7 жыл бұрын

Why would you need an external shunt if it already has a built in one?

Some instructions say to wire the shunt on the negative side of the load. Yours seems to work fine on the positive side.

@LDSreliance

3 жыл бұрын

Works fine on both. I see a lot of people insist to only do it on the negative side but no one can tell me why and it works just fine on both sides.

how would you check the amps on a model train layout is it the same or different

@LDSreliance

6 жыл бұрын

Same. You would need to wire a shunt in line with the positive (or negative) wire that goes from the power source to the tracks. So the shunt would be in between the power source and your tracks. Then wire the ammeter to the shunt. Or if you just want a quick measurement but not a permanent gauge or you don't want to cut your wires, you can use a DC clamp meter such as this: amzn.to/2HLvWTu

@Rob1972Gem

6 жыл бұрын

LDSreliance thanks

thank you

@LDSreliance

10 жыл бұрын

You are welcome.

I have that kind of shunt,i callibrated it to 1mv/a ,btw where can i get those meter ? ,and i would recommend you to recallibrate the shunt since they're usually not callibrated properly out of the box

@LDSreliance

9 жыл бұрын

Good tip! I bought my ammeter on Amazon (www.amazon.com/Class-Accuracy-Square-Analog-Ammeter/dp/B00AO75HJ8/ref=sr_1_8?ie=UTF8&qid=1420907967&sr=8-8&keywords=ammeter+50a). It sounds like you know what you are doing so you should be fine ordering these. I would recommend ordering 2 of them at a time since they are so cheap and not packaged well. I have had 2 of them damaged in shipping (one broken glass but still worked, the other had internal damage and never worked).

@TonnyCassidy

9 жыл бұрын

yes i know what i'm doing,i callibrated my shunt to 1mv/a so i can read it using just a digital mutimeter for testing,btw thanks for the reply

@TonnyCassidy

9 жыл бұрын

btw have you test it on 50a load ? how's the shunt temperature ? because the shunt should not get hot or the reading will show an error,

@LDSreliance

9 жыл бұрын

Nope, the highest load I ever see is 20a but I wanted some room for expansion in the future so I got the 50a. There also aren't too many options in between like 10a and 50a.

@TonnyCassidy

9 жыл бұрын

checkout my vid kzread.info/dash/bejne/iImWypqopc6vkc4.html this is what my custom callibrated shunt looks like