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TDS Meter Digital Water Quality Tester

(161 customer reviews)

10,200 Orders

In Stock (Ships Out Within 24 Hours)
  • For testing the quality of water
  • Battery-operated, easy to use with just 3 buttons
  • Portable and can be brought anywhere you go
  • Can test all water places – home use, drinking water, pool water, hospital water, etc
  • Made of durable plastic material
  • Dimensions: 15.5 x 3 x 1.6 cm
  • Battery: 2 x 1.5V LR44 button batteries (Not included)

$24.84 $37.46

Free Shipping Worldwide
Lifetime Warranty
Buy More, Pay Less
Quantity Discount
2 5%
3 7%
4 10%
5+ 15%

TDS Meter Digital Water Quality Tester

You can test the water quality using the TDS Meter if it’s safe for drinking or not. This tool can be used widely in anything with water. It can be used for testing the quality of water in your water purifiers, swimming pool, aquarium, and many more. Mostly used for water quality testing on hospitals, laboratories, home, etc. You can have this for personal use to make sure your water in your home is safe for your family.

Portable and Easy to Use

This is a battery-operated device which is very convenient. You can bring this anywhere you go if you want to know first if the water is safe before using or drinking it. With just 3 simple buttons, you can use and operate this device.

  1. Press the power button
    • The device automatically turns off within 10 minutes of inactivity
  2. Place and dip the tip of the device on the water you want to test
  3. Wait for the result. It will display the result on the screen.
    • You can press the HOLD button to store the result.
    • to change the temperature from Celcius to Fahrenheit or vice versa, press the button TEMP

Standard Result for Water Testing

  • 0 – 50 ppm                  —  high purity water
  • 50 – 100 str/min        —  pure water
  • 100 – 300 ppm           —  common clean water
  • 300 – 600 ppm           —  the water will have an Inlay scale
  • 600 – 1000 mln.         —  bad taste of water
  • Above 1000ppm         —  water is not suitable for drinking
Weight 0.1 kg
Dimensions 15 × 10 × 8 cm
Brand Name


Display Type


With Backlight Or Not


Model Number

Water Quality Tester

Product name

Water Quality Tester


Yellow Red Grey

Tester TDS Meter

Water Quality Purity

Water Tester

Digital Water Meter

DIY Supplies


Based on 161 reviews

4.8 overall

Add a review

  1. O***n

    item matches the description. included battery no. all the way отслеживался track. both tester work. to store thank you!


  2. E***s

    many thanks for attention store great product.


  3. E***n

    is normal like water tap 370 checked baby all shows 72 crystal 197


  4. K***n

    more month, packaging is normal, not tested in working


  5. R***V

    подмосковье come in two weeks goods store sent goods in the package, запаковать пупырышками and could seller, miracle with only, пришёл tester safe and sound. all. recommend.


  6. A***a

    very good product i amit from india whatsapp 9327008040 product is too good no issues thanks to the store


  7. E***B

    which indicates temperature readings want but not the right one not, градусником electronic сверял ртутным with. water quality reading and height.


  8. K***o

    Good quality item at a very cheap price! Item came with box and simple manual. It did not came with battery. Battery required is 2 x LR44 batteries. Highly recommended!


  9. S***v

    минусов of: calibrate no way. 6 performance at all different also in water. осмотическая water: 36, 37, 38, 40. tap the 470, 430, 410, 337, 408, 474. results showed the following devices with 342 ppm калибровочном solution in: 387, 385, 362, 314, 339, 372. plus points of, price, shows that the temperature. recommend калибровочном check for normal but need aquarists for solution. know how and then врет appliance.


  10. R***h

    vkomplekte nebilo barareek


  11. R***r

    оренбурга delivery before 20 days. like checked. features 265 tap water food.


  12. O***h

    works all thank you good quality fast delivery works everything thank you good quality and fast delivery


  13. V***v

    chinese thank you! matches the description device. сверил тестированным device with reading, one one. can take. shipping to center month. happy new year! good luck in business.


  14. O***a

    Not convinced of the reliability (it says the canal water is cleaner then water from the tap. But for this price… not too expensive. Delivered in 10 days only.


  15. A***k

    excellent appliance. have a little error. matching the price perfectly. matches the description device. with its справляется task.


  16. K***v

    not заказываю at the first time. шла package, отслеживался track. packed in солемеры пупырки package without ordinary general and carton box. all доехало safe and sound. works (photo in the cup tap water)


  17. A***n

    work, issues no. sorry no batteries included


  18. M***a

    still not have tested It puena ink


  19. A***a

    пришол goods. working.


  20. Customer

    Very fast to Greece,not tested yet,need to put button batteries


  21. I***v

    заказывал 2 about show same. have no battery, need 2 pcs ag13. покупная and tap water from photo


  22. Customer

    It’s very good store and product


  23. D***v

    excellent works on


  24. A***n

    store thank you goods arrived but works without batteries, arrived in 37 days, recommend seller.


  25. U***r

    fast drove without batteries, such as need where there is no evil as. check none can not as.


  26. V***S

    Nice item, arrived in right time with good conditions,.I will continue to make purchases!!


  27. M***o

    goods come quickly, works fine, design is very useful, all recommend)


  28. S***v

    approx. led cool, really waters in different different figures shows: like 12 m depth of well-170… tap 220 units, shows more then why кипячёная water up to 300, boiling to raw than. привозная бутылях water about 80, — it is pure and the .. 002 snow and ice water талая 004 units. recommend.


  29. E***h

    received the goods. device. precision tested it. thank you.


  30. Customer

    packed well. питербурга month to went. battery operated buy extra. taken from greed five pieces all the friends gifts.


  31. S***i

    measurement. bad isn


  32. S***i

    thanks, very fast within 4 days only min is no battery case


  33. P***v

    come without batteries, need button, checked until so


  34. R***n

    tap water 320 родника of 320, snow 007 талый, snow талый shows you how much and?


  35. A***n

    works great all.


  36. D***k

    all. water 750 фильтрованная 50.


  37. A***v

    work. photo measurement of water filter and floor дистилированной жёсткости автомагазина.


  38. Y***v

    fast, relative temperature reading and probably strong врет


  39. Customer

    Thanks for the item received, tested and workable. Thanks again.


  40. A***w

    month to воронежа. all devices and work in carton. not tested precision. the color have. заказывал which. добавлю precision for later.


  41. E***a

    battery no. until you bought.


  42. J***k

    some lower accuracy than declared but worth the price


  43. M***m



  44. D***n

    The product(TDS meter)is looking good, not tested yet, shipping was fast; everything OK. Thank you.


  45. I***r

    come very fast, work, shows rigidity and water temperature. correct as can not say high performance but (not drink is)


  46. Customer

    intact, but ever so slightly küsür line error in the measurement of that you cannot reach but… 1.87 usd after hike to cause did you make? that demands a lot of skin…


  47. M***k

    order come. not заказываю first time. have not tested goods but previous work perfectly.


  48. R***v

    it’s all whole, instrument shows exactly 2 pcs battery laser as cheap, money such for super, more take your sell as))) the store to cool, thank you 5 stars ставлю


  49. R***r

    it’s all whole. more not tested working, no such batteries.


  50. Customer

    new product experience in record time فقمت فاعطى due 966 means have water tap water is undrinkable فكانت التانية rain water experiment 27 store recommend buying this product


  51. I***e

    Good Product just as described, highly recommended store also.. thanks


  52. S***s

    สินค้าส่งรวดเร็วมาให้ต้องซื้อadded good but get charcoal charcoalกระดุมแบบLR44


  53. K***o

    no batteries, is really bad, shipping more month, later will check to work


  54. V***n

    good the other devices with this reading. come without batteries. writing have someone here the batteries-polarity confirm the ошибочна) put to reverse) in the rest all good. thank you!


  55. Customer

    отримав працюе добре


  56. Customer

    it in 38 days ивановскую area. запаковано целофановый in simple package. damage not. in chinese and english instruction become until the, online search’ll how. or similar 2 ag13 battery no included. would be buyer could be-invest and though. general recommend.


  57. R***l

    Tested and works fine


  58. D***v

    fast shipping. device works quickly. measuring accuracy is not possible check. tap water shows 200, filter of a 250 like that strange, although just filter for hard water. need more will check on bottled water


  59. R***l

    Thanks a lot


  60. Customer

    work. shipping fast. tap 300 aquaphor filter of 220, родника of 130.


  61. A***a

    looks same as described. battriea not inside as mentioned. ptoduct looks great.


  62. S***L

    hot new received but no battery function


  63. S***n

    On time delivery


  64. K***n

    good piece fast to all good, bought long battery only, flat there tablets, store not общалась, but trackable track 5 + fast shipping


  65. A***v

    and wonderful very honest store! item matches the description. fast shipping track trackable. remember, tester that comes without batteries. cautions seller about it. bought in AG13. batteries not tester first worked. new sent free and fast seller but appliance. i have now usable thing. thank you very much seller! recommend shop! seller honest very a and store a wonderful! goods description the match. fast shipping. tracked is the track. that the remember batteries without comes tester. the seller about this warns. russia AG13 batteries suitable are in the. the first did tester not work. the seller a sent but quickly device and free for new. useful a thing i have now. many thanks to the seller! i store the recommend!


  66. S***v

    gismo excellent, помятой изрядно arrived in, whole but very. included battery not, but one must указывал store. доходят-go for the shop in hands, can also by ali order?))


  67. Customer

    like. tap water 001 дистилированной on 194.


  68. Customer

    delivery before краснодарского заняла edge month from the date of payment. about water can judge the quality. shows plus of temperature.


  69. E***s

    фильтрованная (3 stage aquaphor tap)-161, water-278


  70. Customer

    work, something меряет (on apparently сопротивлению). features 0 air in water 200-500


  71. K***A

    very hot very good product walk on water tester i adm809-5saks-re mix product and making


  72. D***v

    and the tap water by judging osmosis, working! помойке on тузик as i satisfied.


  73. V***v

    matches the description device. included battery no. when i received device and worked device is not inserted batteries. understood that have been exhausted batteries only later. the miracle moment and buy oh …. device. water водопроводу замерял 174 ro water 006 волжанка mineral water (ульяновская. ундоры) 625. the store thank you good goods.


  74. N***i

    I had to put the batteries in reverse as indicates in the picture to work.


  75. J***a

    fast delivery. nice store. good product. can give more feedback after using it.


  76. Customer

    thanks for your advices. really helpfull. now tds meter can work good


  77. I***a

    one ordered измерителей 2 normal, with led lcd испорченным with other неработающими segments. new device may tk. erased little body lettering on, protective film but displayer present.


  78. B***d

    the store shipped enough quickly but the item delivered to Turkey a bit late….but no problem…good product good price.thank you…


  79. M***I

    hot product received


  80. S***v

    perfect tester work, 3 fast повреждённым come. batteries not included


  81. M***n

    while not tried.


  82. M***a

    without battery. after fitting the battery from outside, it works ok


  83. L***h

    not work. need batteries are not included


  84. M***n

    каленку about earned пиздячку through the мерит чето, used to take it for 133…!


  85. U***d

    good product in low price, but does not come with batteries. will check further after buying batteries. built quality is really good. arrived in Islamabad in around 4 weeks. well packaged


  86. A***a

    Excellent quality fast shipping I would recommend the store


  87. R***v

    the day after payment sent. all received.


  88. V***v

    молодца store! обработал and promptly sent, 10 days delivery.


  89. M***a

    дисциплинированной and tester checked and water well, all good!


  90. M***n

    show different devices


  91. D***o



  92. D***v

    checked, work. water machine 015 water pipe 550)) plate! battery not included.


  93. Customer

    very good quality very fast ship


  94. A***n

    very fast shipping-although withstand обходимо not accurate readings for 5 minutes to


  95. F***r

    pretty and reliable work fine, i recommend.


  96. A***n

    thank you store! fast delivery 11 days by my request. water тетстером checked, all ok!


  97. A***v

    great thing, do not take the first time. not only yourself, all satisfied.


  98. Customer

    guzel packing. battery to olmadigi deneyemedim.


  99. M***a

    Nice product.. received in 24 days swat pakisatan without batteries… thanks Aliexpress thanks store


  100. Customer

    Прибор пришел без батареек, формат AG13, кстати стоят как пол прибора)) замеры воды показал: на первом фото водопроводная вода 177 ед, на втором из фильтра обратного осмоса гейзер – 015 ед, на третьем фото из старого фильтра, тоже обратного осмоса, zepter – 100 ед.


  101. P***e

    Thanks to store, the product is excellent and exactly like the description. Packaging was excellent and shipping was very fast. I recommend the seller. Thank you!


  102. D***k

    товар соответствует описанию продавца рекомендую.


  103. S***v

    отлично все работает, батареек в комплекте нет. распаковка на канале ютуб sergauto777


  104. G***a

    Заказ доставлен в течении месяца. Был хорошо упакован, все работает. Тестер работает , показания верные. Всем советую этот магазин и его продавцов.


  105. D***.

    mide ppm del agua, tal como indica en la descripción. también la temperatura.


  106. S***v

    Все работает, пришел без батареек, сходил в роспечать и купил лазерную указку за 50 р. Измерил- вынул батарейки -вставил обратно в лазер. Кот покупкой доволен.


  107. J***y

    tres bon produit a tres bas prix livraison rapide tres bon vendeur merci


  108. V***v

    Доставка ровно 14 дней епакетом. Тестер включается и даже показывает какие-то цифры. Например, что в бутилированной в пятилитровки воде из Дикси аж 180 ppm (попугаев), что значительно меньше, чем в описанной в инструкции отфильтрованной воде в 500 ppm. Однако, диксиевская вода, которая не оставляет накипи, содержит 180 мгр на литр растворенной гадости? Бряхняяяя… Но забавно.


  109. N***v

    До Москвы дошло очень быстро, прибор работает. Наконец нормально настроил посудомойку. На сколько точно меряет – хз.


  110. L***a

    всё отлично Всё работает Спасибо продавцу за оперативность


  111. P***k

    battery is not included. not точен temperature sensor is inside the case ie not with соприкасается. and so something measures, to check then буферном solution.


  112. F***b

    Received in 15 days working i will order more


  113. E***v

    fast shipping, prompt delivery, packed well. quality standard test. store recommend!


  114. D***o

    month киева to come. no battery included меряет normal. how truthfully not tested.


  115. V***u

    venit foarte repede, fără baterii incluse, recomand.


  116. L***r

    Works great. Pull top off and add two batteries to the center portion of the top piece. Look for the + – signs on the chrome. LR 44 batteries.


  117. E***k

    Good. Thank you.


  118. C***z

    i try again, arrived time but…


  119. N***u

    i have received bienn package, i have high testing. thanks to store.


  120. E***n

    подмосковья order of delivery before 25 days. пришёл and no battery case. description all-match. tested until. store recommend.


  121. Z***v

    instrument good! fast shipping thank you store!


  122. J***a

    Goods came in good order and works. Thank you vendors for a great thing which is working… For me I give 5 stars, excellent store! I recommend to all interested!


  123. T***s

    cool the узнала with it, пьём we, not know b and better. most popular харькове water, and buy the machine in цистернах показателю tds water little different from the: about 350 (about 410 water). 460 water source привозят neighbors. думала, defective device. but showed ro water filter 025. привозную found 210, it will take home filter while no. battery found no problem, the subway, киосках in sell, but once every 5 they ali cheaper as 2 10 stand from us, at the same time to order, over 1,16 $ cheapest found. the only thing not like-packaging, завернули пупырку in at least, electronics is still no. fast shipping, slightly larger 2 weeks, отслеживался track, thank you!


  124. M***n

    the goods are complete


  125. A***v

    salinometer shipped quickly, no battery, therefore have not tested working


  126. R***v

    all good, packaging is not only durable and so thank you all ok


  127. A***N

    delivery of the month. отслеживалась. five with error slowly and measures temperature. несчем compare reading accuracy and stable almost water. battery buy separately.


  128. M***t

    Nice product. Comes without battery, but I have batteries around so no problems. Uses cell batteries. It seems to work. I tested with clean water and water mixed with some fertilizer.


  129. J***a

    the quality is good and very useful


  130. M***f

    The LCD display of thisTDS meter is not good at all, it is so difficult to read and understand the numbers,


  131. R***v

    have reading


  132. I***v

    received, inserted batteries, work. замеряет жёсткость water temperature.


  133. N***u

    . battery no.


  134. I***l

    Compared with other tester, the same evidence. Good goods and the store.


  135. S***i

    My second order, CCT is different but it works! Seller recommend!


  136. A***r

    Items come in 38 days. Look at the quality of goods is good. Have not tested. Good store!


  137. V***y

    I am satisfied with the goods. Fast delivery. I AM satisfied with the goods. Fast shipping.


  138. N***v

    All good bad no batteries not specify the type of used batteries


  139. Y***y

    Order 2 pieces. Both TDS meter lied at 2,5 times. To be calibrated. Now sizing is not fell off the show. Differences in the Two-about 30. Ideal for home use. For the price definitely recommend. IN Moscow sold exactly the same about.. Delivery a week to Moscow. The battery was not included, need 2 lr44.


  140. N***a

    It’s a term instrument in working condition, battery buy yourself


  141. N***v

    Battery inserted-works, measurement shows. Tap about 440, кипяченая in teapot, the same water 230, of natural spring 850. Filter jug water tap 420. There is no reference, there is nothing to compare. The Temperature Display, hold works. Thank you!


  142. E***a

    Order delivered for 14 days, the packaging is intact, the Unit in order. The battery was not included, fit AG14. Order not for yourself so you can compare readings with the testimony of my instrument, they match. Goods store recommend.


  143. Customer

    Not bring Battery and is not well protected. By otherwise fine


  144. Customer

    Good furniture product and fast shipping, working properly


  145. V***v

    Like working Reverse osmosis of store 028-035 .. Purchase of well through the filter system 240-260 gallops… The TAP is 380 is 400 is 460 All up to you.


  146. M***k

    Works great, I purchased this to monitor my reverse osmosis system. Water out of my tap after going through a 5 micron filter is 165ppm TDS after my RO system 10ppm. I have repeated the tests to check for inaccuracies all tests fall within a few percent. Very Happy with this


  147. A***h

    Order came a month. Without batteries. Looks great. The other day, check in and will add a review. Seller sociable, post answers very quickly.


  148. M***v

    Order has reached a record quickly. Packed tester well in bubble wrap. THE device is not satisfactory-remeasure more than a dozen samples of water, TDS from 50 (expensive bottled) up to 1600 (not very good well), so that the can be trusted.


  149. A***a

    Ordered two products, when тестировани And in the same water give different readings every time


  150. E***u

    50 days arrived in Istanbul A. Our this delay dangalaklığı of PTT chief architect in my opinion. His outside no problem.


  151. D***v

    High quality, probably shows exactly, there is nothing to compare


  152. B***y

    Very fast delivery. All works. Need only batteries LR44, there is not supplied.


  153. Y***H

    Received and working. Thanks


  154. A***k

    Goods come quickly, for 2 weeks to Tyumen. Track to track, it works, goods packed in box and pupyrku, instruction is in English and in Chinese. Batteries вставдяются top, fit small round AG12 (2 pcs). Open the lid tightly. It works, error is small. Can be hung by the way the strap, there is a special holder back


  155. Customer

    Batteries icinden cikmadi.


  156. M***f

    excellent thank u. my ro water is 013 and tap is 300


  157. K***k

    Received the order in SF after 2 weeks. packed well, and the whole is new. the work is not checked, you have to buy batteries.


  158. N***h

    Shipping less than a month to Samara as try to work will add a review


  159. M***s

    Fast shipping, the tool works well.


  160. F***a

    Todo perfect, as described. Shipping very fast. Seller recommended.


  161. O***v

    Got to work, thank you! Bright point, daytime can be seen.


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