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Digital Multimeter Tester US $2.49 /AU $3.37 Delivered @ AliExpress

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Digital Multimeter Tester US $2.49 /AU $3.37 Delivered @ AliExpressAffiliate
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altomic on 24/11/2016 - 23:24 aliexpress.com (165 clicks)
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DO NOT USE THIS MULTIMETER FOR TESTING MAINS 240V VOLTAGE OR HIGHER

Only an idiot would use one of these cheap multimeters to test across mains voltage.

obviously you wouldn't trust this on mains voltage.

There, I've said it 3 times that this is a stupid piece of equipment to use on 240volts AC (ok, now 4 times).

Perfect for testing the voltage on laptop power bricks, batteries (with globe in series), car battery, etc etc

SAFTEY FIRST - don't guess, check the internet or youtube if you have no idea - but an even smarter idea would be not to do it (if you have no idea)

I received mine recently from the last deal (at US$2.73). tested it on several dc laptop power supplies and it gave the exact same reading as my Aus bought multimeter.

does not include a 9V battery. BatteryWorld sells them for 99cents.

FEATURES:
3 1/2 digits, 7segment,0.5"high LCD,Max.reading of 1999
6 Functions,Most popular 19 ranges Digital Multimeter
Voltage DC,Voltage AC, Current DC, Resistance, Diode Check and HFE
Low battery voltage indication
Small and compact design
Overload protection on all ranges
Sampling 2~3 times readings per second.
Diode assembly test / Transistor P-N junction test/Transistor hFE test.
Low cost, pocket size ideal for hobby & DIY users
Color available: Yellow, Black,
Measuring range:
Max AC Current:10A
Max AC Voltage range:1000V <—- but it would be stupid to try voltages this high
Max DC Voltage range:750V <—-I would not try DC voltages this high
Resistance Measurement: 200 Ohm-2000K Ohm range
SPECIFICATIONS:
Diode Check:2.8V/1mA
Battery Check:1.5V, 9V
Power:9V battery (6F22)(not Include in the packaging)
Dimensions:70X126X28 mm

Includes:
1 x DT830B digital multimeter
2 x Test leads
1 x User Manual

WARNING: This item does not carry the required Electrical Safety Certifications for Sale or Supply (and/or installation) in Australia. It may be dangerous to use this device.

I'll just throw into the mix that I did a 1 year circuitry course (many years ago) so I'm not completely ignorant on electronics and hence have no problem suggesting this item/model for basic electronic usage. yes, it's certainly not as accurate as a $500 meter, but if you want to know if your laptop power supply is pumping out 19volts then this is for you.

again I'll stress - don't use this multimeter for mains/ 240AC voltage.

Electrical & Electronics Multimeter

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closed Comments

  • eug on 24/11/2016 - 23:26
    +3

    Great! Now I can test all my multimeters with this. :)

  • outlander on 24/11/2016 - 23:28
    +6

    i'm going to use this to test my mains voltage

    • altomic on 24/11/2016 - 23:28
      +4

      you idiot :)

      • outlander on 24/11/2016 - 23:31
        +2

        When destiny calls collect, I accept the charges…

        • Tasmaniac on 25/11/2016 - 00:29
          +2

          Hello this is death, just writing to confirm your reservation. We look forward to meeting you soon.

  • Mkak on 24/11/2016 - 23:53
    +3

    So can i use it on my 230v mains?

    • llama on 25/11/2016 - 00:52

      Hey - so how do you know it's 230V…. hmmm?

      • Maverick-au on 25/11/2016 - 01:08
        -1

        Hey - so how do you know it's 230V…. hmmm?

        Only one way to find out. Atomic only said not to use on 240V and Australia is 230V so it's not a problem.

        Yeah yeah I know Queensland and Western Australia are still in the process of changing over…..

        • llama on 25/11/2016 - 15:30

          An experienced operator can determine this without dangerous multimeters - 240V tingles slightly more than 230V.

          BTW, WA used to be 250V when I first started in electrical manufacturing industry. We had to use different fluorescent ballasts for the sandgropers compared to the rest of the country.

  • rbc3585 on 25/11/2016 - 00:05
    -1

    Sorry kinda off topic, but last time I ordered something from aliexpress I didn't release the payment because items hadn't arrived yet, and then the seller cancelled my order for non-payment. Am I doing it wrong?

    • gimme on 25/11/2016 - 00:11
      +1

      No aliexpress is sh*t and so is their alleged buyer protection. Been duped 3 times. Never again. Rather anything that accepts paypal

      • Maverick-au on 25/11/2016 - 01:09

        No aliexpress is sh*t and so is their alleged buyer protection. Been duped 3 times. Never again. Rather anything that accepts paypal

        I've made hundreds of transactions without problems. Sounds like the problem lies elsewhere and not with AliExpress which is part of the biggest online marketplace in the world.

      • rbc3585 on 25/11/2016 - 01:28
        +1

        Yeah ebay definitely has dodgy vendors as well, though paypal's buyer protection seems pretty robust. Just not sure whether my issue is vendor-specific or if I was supposed to verify my account or something. Oh well was only $1.50.

      • djcharliek on 25/11/2016 - 07:28

        I too have been duped by Ali twice. Do not buy anything from there if you cannot risk it going wrong. Lost out on $400 on solar panel and solar controller. Grr…..they really love up to their name of thief in Arabic.

        • gimme on 25/11/2016 - 09:23

          Yup same here. They're no more riskier than ebay but unlike ebay/paypal buyer protection is garbage. You're lucky to get some partial refund if things go wrong. Not bothering with it any more

  • llama on 25/11/2016 - 00:56

    Perfect for testing the voltage on laptop power bricks, batteries (with globe in series), car battery, etc etc

    And not actually finding out what the voltage is.

    yes, it's certainly not as accurate as a $500 meter, but if you want to know if your laptop power supply is pumping out 19volts then this is for you

    Errr… nope.

    This will only tell you that the laptop power supply is putting out something.

    If you measured a 19V power supply with this POS, and the display showed "18.2V"… what would you conclude?

    • altomic on 25/11/2016 - 09:52
      +1

      That the brick is working

      • llama on 25/11/2016 - 15:32

        You don't need a multimeter to know "that the brick is working"… you simply plug it into a bloody laptop!

        • altomic on 25/11/2016 - 15:36

          What if you don't have a laptop?

          If you have a laptop and plugging the brick in does not turn it on then is it the laptop or brick that is not working?

        • llama on 25/11/2016 - 15:37

          @altomic:

          What if you don't have a laptop?

          Then it doesn't matter if the power brick works or not. LOL

        • altomic on 25/11/2016 - 15:42

          @llama: if you can test the brick, and it works, then you can flog it on eBay. I don't understand your aversion of buying an inexpensive device for testing electrical functionality.

        • llama on 25/11/2016 - 16:21

          @altomic:

          I don't have any aversion myself. I have been playing around with electrics and electronics for almost 50 years

          However cheap meters like this have zero tolerance to mistakes.

          Also, you never really know if the result you are getting is true or not. Some are accurate, others are not - and there is only one calibration so the majority of ranges will be off to some degree.

          These meters are perfectly fine for experienced people, and when used correctly they are perfectly safe. However they are incredibly dangerous for people who don't know what they are doing, and unfortunately that is precisely the market that they target.

  • thelastnoob on 25/11/2016 - 01:03

    Idiot? How dare you! I shove this in my mains to test my safety switch.

  • mrfluffy on 25/11/2016 - 08:03
    +1

    My missus has to replace dichro lamps at the store she works in, in so i got her one to test them. (continuity)

    I am a former sparky and have used one of these to test GPO's etc The only problem with them is the poor quality leads.
    The probes come away from their housing when withdrawing them from a tight fitting GPO terminal. They are certainly accurate enough for the home handyman. There are probably millions of them being used every day in China etc on mains voltage.

    Get yourself some decent leads and you have a competent little tester.

    • gimme on 25/11/2016 - 09:25

      Agree any shortcomings with this likely to be mechanical rather than electronic. Accuracy for the average person should not be a factor

    • llama on 25/11/2016 - 16:01

      My missus has to replace dichro lamps at the store she works in, in so i got her one to test them. (continuity)

      You don't need a multimeter to test dichroic lamps.

      a) Lamp is working. Do not install replacement lamp.

      b) Lamp doesn't work. Install replacement lamp.

      I am a former sparky and have used one of these to test GPO's etc The only problem with them is the poor quality leads.

      It's a good thing you are no longer in the trade LOL

      The danger with these meters is that if the user accidentally rotates the range dial whilst the meter is connected to mains, there will be a significant explosion… in the operator's hands.

      Also, with zero input protection, if they accidentally plug the leads into 10A and Common, then plug them into the mains, there will be a huge KaBOOM.

      • mrfluffy on 25/11/2016 - 17:44

        'You don't need a multimeter to test dichroic lamps.

        a) Lamp is working. Do not install replacement lamp.

        b) Lamp doesn't work. Install replacement lamp.'

        What if lamp holder or transformer is faulty? Silly! : )

        'The danger with these meters is that if the user accidentally rotates the range dial whilst the meter is connected to mains, there will be a significant explosion… in the operator's hands.'

        There will not be a 'significant explosion ' You will have a small popping noise. I have killed a few cheapies in my time. : )

        I usually refrain from posting about anything electrical because invariably some know nothing know it all will know better.

        • llama on 25/11/2016 - 18:24

          What if lamp holder or transformer is faulty? Silly! : )

          You cannot determine if a lamp holder or transformer is faulty by using a multimeter on the lamp.

          However you instantly know if the lamp holder or transformer is faulty when you install the NEW lamp.

          I've worked in lighting for over 35 years and I don't recall even using a multimeter to test a lamp. There is no need, since there's numerous "lamp testers" built into the ceiling.

        • mrfluffy on 25/11/2016 - 19:17
          +2

          I can't be bothered replying to you, mate.

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