PH Meter 0.01 PH High Precision Water Quality Tester with 0-14 PH Measurement Range, Suitable for Aquarium, Swimming Pool

85105 (-19%)

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PH Meter 0.01 PH High Precision Water Quality Tester with 0-14 PH Measurement Range, Suitable for Aquarium, Swimming Pool, Indoor Outdoor

【3 calibration packages】Let you no longer worry about whether the ph meter is accurate, the 3 calibration packages we give can help you test whether our ph meter is accurate.

【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.

【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.

【High Accuracy】ph tester has a sensitive electrode sensor ,simply press “ON”, It only takes a few seconds for your result to appear on accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.

【Automatic Temperature Compensation】No more need to take care about the temperature of testing liquid,as the Ph Meter Has an Auto Temprature Compensation Feature That Adjusts to Water Temperatures and Water Quality.

Instructions for use of PH calibration powder:

Calibration powder: pH standard solid substance. It can be used after adding water. Suitable for the calibration of any type of ph meter. Each package can prepare 250ML standard solution.

(Be sure to add water according to the required ratio, otherwise it will affect the accuracy of the calibration and increase the error)


Please note that the PH pen probe is a glass product and is a fragile product. Please do not collide with things. Once the damage is not replaceable, you must protect the probe. After use, use absorbent paper to gently absorb the water on the probe.

Matters needing attention:

PH meter has been calibrated before delivery, the buyer does not need to re-calibrate after receiving the goods!

In the following cases, the PH meter must be re-calibrated:

1. Has been used for a long time after calibration;

2. Special electrode use Frequently;

3. The measurement accuracy requirements are relatively high.

Standard configuration:

1XPH meter with opp bag

3X calibration powder

1X instruction manual

Questions & Answers:

1. Q: How often should I calibrate my ph meter pen ?

A: One calibration can last for about half a month. When the electrode exposed to air for extended period of time, users should calibrate it. When testing polluted water quality, more frequent calibration is required to ensure the accuracy of the test value

2. Q: Can I test two kinds of water without calibrating ?

A : Yes , but when testing the liquid that is not pure water or distilled water, after the test, you need to put it in pure water or distilled water, wash it and wipe it dry, and then test the next liquid (to ensure the accuracy of the value of the next test liquid)

3. Q: Why my ph meter switch and digital display are not sensitive ?

A: It might be caused by low battery. Just replace the battery and it will work again.

4. Q: Can I use this to test Urine ?

A: Yes , it can. The test liquid must not be corrosive, which will damage the accuracy of the glass probe and shorten the service life of the glass probe.

5. Q: What if the calibration result is wrong?

A: Assuming that the calibration result is wrong, the pen recognizes ph 9.18 or ph 4.01 after calibrating ph 6.86 .

Step 1: Take 50ml of purified water or distilled water, and then import one pack of 6.86 calibration powder, stir evenly, put the PH pen probe in water for One Hours.

Step 2: Then turn on the pen, press and hold the CAL button for five seconds, then let go, the value flashes, and the END calibration is completed.

Except the ways above, you could long press the switch and calibration keys at the same time for five seconds, restore the factory settings, and then test.

( The test difference might within 2% with reset control , and the powder calibration’s test difference is within 0.1%-1% )

Additional information







With Backlight Or Not


Is Smart Device


Model Number


Display Type


PH buffer power



2 pcs lr44 not including

pH Value


Average Rating


( 20 Reviews )
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20 Reviews For This Product

  1. 20

    by Cindi Mcfarlin

    Came without batteries, but powder for liquid breeding and calibration is. The parcel came quickly. I think it’s gonna be okay. I recommend the seller for sure. On the product I will complement the review

  2. 20

    by Della Drew

    Sent and delivered quickly, everything works, I recommend.

  3. 20

    by Micael Montes

    In 10 days in Orenburg.
    Packing so-so, the device is whole, without batteries, checked it works, artesian water pH 7.11.
    When you turn on the numbers, they beach, I do not know whether it should be or not.
    After payment, the seller sent quickly within 10 hours.
    There is a hole for the hummingle, but there is no screw for the hummingle itself.

  4. 20

    by Bonnie Montes

    Look all right. I still need to test it. Comes with calibration PH solution.

  5. 20

    by Gianmaria De Sario

    I got the impression that the device slowly goes to the correct readings, but it does come out, it’s about the pH, but the temperature lies at 1.2 degrees.
    By the way, the pH metering did not calibrate, as was installed at the manufacturer initially, first showed 6,86, then jumped 6,76 so already and remained while the photo was still.
    Over time, I will perform a calibration (for the sake of interest) on the instructions and add a review.
    And so the device is definitely a useful purchase.

  6. 20

    by Carla Poole

    Everything in the Christmas tree, delivery is super, very fast nine days in Ryazan, the seller for the humming three packages put, the instruction in hostile English

  7. 20

    by Clarita Pursell

    A good device, delivery to Lipetsk 2 weeks. There are no batteries in the kit, so you need to take care of it in advance (LR44 batteries). In the kit calibration powders, but I did not calibrate, since, according to the manufacturer, the device is calibrated before delivery. I recommend to buy, thank you to the seller.

  8. 20

    by Kawano Tanyu

    Ku! Delivery within 14 days, packing norms, ordered together with the TDS meter, the goods are whole, without batteries, did not check the performance, in the kit the instructions and instructions are. Later I will add a review as I will buy batteries and make a calibration. In general, while satisfied. To the seller for speed! To buy I recommend!

  9. 20

    by Eleri Barnes

    Everything corresponds to the description. Delivery 14 days from the time of order. Packing is good. I recommend shop and seller❗5 +❗
    No batteries, I’ll buy it. Then I’ll write how it works.

  10. 20

    by Gage Edmonds

    The device received, the first thing that encountered, the conclusions of the battery compartment are not indicated, in the photo noted how it should be put, batteries 2 pcs. LR 44. The device without a case. Mineralka measured 6.8, with a tap more, I’ll uninstall it.
    Delivery adequate.

  11. 20

    by Finn Junkermann

    Packed not very, but the main thing that is very quickly sent, very quickly came and works!) calibrated only 6,86.
    Everything worked out, thank you

  12. 20

    by Marlen Akhmetov

    The device was sewn whole and serviceable. Without batteries. Batteries bought, calibrated with the help of attached to the order of reagents. I will test)))

  13. 20

    by Moriya Masanobu

    Article equal to description

  14. 20

    by Andrea Xiong

    Exact product to your description and shipping was fast, I recommend shop and seller

  15. 20

    by Wendi Raver

    Perfect. I already calibrated it and I got the 6.86, and 4.00 but the third one was showing 9.10 instead of 9.18… I don’t mind though. No battery, had to buy two LR44 batteries

  16. 20

    by Emmanuel Gillie

    It came quickly. The only negative is the absence of a battery. What is the problem of inserting it at once? I had to find where to buy two lr44. It turned out that not everywhere in our time this can be found. In the description of the goods, the seller warns that he sells the tester without batteries, so there are no complaints about it. You need distilled water to calibrate.

  17. 20

    by Rudolf Kirsch

    It came quickly. Everything is like in the description.

  18. 20

    by Benoît Cortot

    . Very well presented. Product description is adjusted to need only test it. You have to buy her stack, and run the tests with the envelopes she brings.

  19. 20

    by Durante Sciara

    The product received everything corresponds to the seller’s description there are no batteries so whether it works or not I will learn later delivery Fast 15 days of the seller recommend thank you

  20. 20

    by Antonio Levine

    Очень быстрая доставка. Товар приехал целым. Пока не проверяла. Спасибо)

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