Original Xiaomi Mi TDS Pen

- WHITE 138956501

IPX6 Waterproof / Measuring Water Quality Purity Tester
$10.79
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Original Xiaomi Mi TDS Pen
Pen which can test the quality of the water, it also determines whether purification is required. Mi TDS Pen reacts to organic compounds, and heavy metals like nickel, chromium etc. and soluble salt content. The pen is IPX6 waterproof and has automatic temperature calibration and precision in measurement.














Specification

General

Brand: Xiaomi
Special function: Measuring Water Quality Purity

Dimension and Weight

Product weight: 0.0274 kg
Package weight: 0.0490 kg
Product size (L x W x H): 9.00 x 5.00 x 4.00 cm / 3.54 x 1.97 x 1.57 inches
Package size (L x W x H): 32.00 x 12.00 x 7.00 cm / 12.6 x 4.72 x 2.76 inches

Package Contents

Package Contents: 1 x TDS Pen

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Customer Reviews

4.92 out of 5
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  • 36
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  • vitus
    Xiaomi Mi TDS Pen
    Color:White
    Features & Performance
    The Mi TDS Pen can measure the TDS (Total Dissolved Solids) concentration in water. This is not a complete water analysis but TDS is the most common parameter for water testing. The dissolved solids include any salts, minerals, metals, cations or anions dissolved in water, so the lower amount of these solids, the purer the water. The TDS level is measured in parts per million (ppm) or mg/L. The ideal TDS reading for drinking water should be less than 300ppm.

    The Mi TDS Pen is quite easy to use. It includes two button cells already, so it’s ready to use out of the box. You will just need to take the pen cap off, place the head of the pen under water, then the TDS reading will immediately show up on the display.

    tested it with the tap water and purified water in my house and the results seem to be accurate. The tap water has the TDS level of 170 ppm while the purified water is much lower at 14 ppm.

    Therefore, I highly recommend the Mi TDS Pen if you want to check water quality or performance of your water purifying system.
    Suggestion

    Sep 18,2018

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  • Ati Jeto
    Mr.
    Color:White
    I was not sure in the quality of the water what we are drinking home, this is why i was ordering the product. The quality of the product is really good, really easy to use, just put the pen to the water what you would like to check and press the button. If you are pressing that button again, device is turning off. Really fast you can check the result. I was comparing the water at home with some mineral waters, and the mineral waters had a little bit better (lower) scores. Unfortunately the box and the small guide is only in Chinese, but luckily on the Gearbest website you can see in English which score is meaning which water quality. The product has a cap, what is saving the pen. You don't need to buy batteries, the pen is containing the 2 batteries, what you can reach if you remove the cap the other side of the pen. Recommended product.
    Suggestion

    Aug 19,2018

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  • CompareImports.com
    Review blog : Xiaomi Water Quality Tester
    Color:White
    A handheld water quality checker made by the well known Xiaomi. The TDS tester can be used to verify the total dissolved solids in the water. You can ask why should I buy this device when I know that my drinking water quality is high? Well we don’t have an answer to it but when you are living in a developing country where water has to be treated you can use this device to check the quality of the water. Or when you are travelling and want to know the quality of the water of the Ganges in India or when you a just a curious person of course. Anyway this device works like a charm despite the fact that the standard manual is in Chinese.
    See more details at:
    http://www.compareimports.com/blog/xiaomi-water-quality-tester-tds-pen/
    Suggestion
    No English manual
    See more details at:
    http://www.compareimports.com/blog/xiaomi-water-quality-tester-tds-pen/

    Dec 28,2015

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  • JC
    Stylish TDS pen
    Color:White
    First we have to know that a TDS pen is used to measure the ion concentration, which is not completely equivalent to how clean your water is. If you are worried about chlorine concentration, or the bacteria concentration, then this will be useless to you. The best use of this is to estimate if it's already about time to change the filters of your water cleaning system or, if you want to maintain the ion concentration in your fish tank.

    Pros:
    1. Dummy-proof operation. Just hit the button once, immerse the electrode head in the water, then you can see the measurement. And then, hold the button again to turn it off.
    2. Looks solidly built and stylish.
    Suggestion
    I don't see there is a way to freeze the reading, or store the data.

    Nov 21,2015

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  • A 40
    Xiaomi TDS PEN
    Color:White
    Это не прибор для измерения качества воды. Это прибор для условной оценки износа мембран обратного осмоса. Не понятно зачем россияне суют его во все - в газировку. чай. компот? А... на нем же написано сяоми. Если сунуть в водку не будет похмелья. Компот приобретает вкус экзотических фруктов. Чай превращается в чифирь... Алилуйя всемогущий сяоми!

    Прибор в целом неплох - но можно найти и подешевле без значка ми.

    Instrument for evaluating the wear of membranes of osmosis filters ...
    Suggestion
    Нет. No.

    Apr 30,2018

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  • Tw33k5
    is it really working?
    Color:White
    -mhm.. soo.. basically it came with batteries so it's pretty good.
    -easy to use

    is it really working? i mean.. i checked a few water samples and the results were wow.. i mean some mineral water from the bottle were around 400-500, i know it had some minerals in it, but so.. testing is really not that relevant. so is this useful. idk. :o maybe if you go to a trip to africa or inda, you may want to check the water before you drink from it, but..
    Suggestion
    no english "how to" / description..

    Nov 08,2017

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  • Hebert Rony Silva
    Very useful water quality tester
    Color:White
    I picked up two glasses of water from two different sources. The first glass had water bought at the supermarket, Bonafont, and the result was 46 (always below). The second glass had water I collected from a place the government distributes it to the citizens for free and the result was not good. The display was showing 129. My conclusion is that it works precisely since the second water tastes heavy and the first one tastes quite good. Another great creation from Xiaomi.
    Suggestion
    The display should show what was detected in the water, instead of a number.

    Jun 23,2018

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  • Alan
    Misuratore qualità della'acqua
    Color:White
    Penso che a questo prezzo sia praticamente impossibile avere uno strumento "di massima" per controllare l'acqua.
    Prezzo molto basso, qualità costruttiva ottima.
    Personalmente lo utilizzerò in viaggio nel classico caso in cui ci si dimentica di acquistare acqua e si vuole usare quella del rubinetto.
    Piccolo leggero e portatile.
    Suggestion
    Non sono riuscito ad oggi a capire il funzionamento dello strumento, ovvero come valuta la qualità dell'acqua, mi informerò meglio.
    Il display non è retroilluminato, probabilmente per consumare ancora meno batteria....ma lo segnalo comunque

    Jul 04,2018

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  • Nikolay
    Excellent portable water quality tester
    Color:White
    This tester works great and at this price you get a good deal. Tried it out on our water and got a reading of 145, which is normal. This tester is so simple to use. Just put a small amount of water in a container, insert the probe tip, and push the button. The reading is presented in less than one second. Another nice bonus is it comes with the batteries installed! Thanks for another fine product.
    Suggestion
    No comments

    Sep 28,2015

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  • Stanley
    Xiaomi Mi TDS Pen
    Color:White
    It look like its working good. It is showing some results. Have compared results from clean tap water measurments with mineral table water measurments and the results were higher on mineral water, so I think the measurments were accurate, because mineral water contains more salts and minerals. Pen comes with battery in.
    Suggestion
    Instructions are only in Chinese, so you have to search the internet to evaluate the results properly.

    Apr 08,2018

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