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Digital pH Meter Tester Pen for Water, Pre-Calibrated, High Accuracy ±0.01, 0–14 pH Range, Pocket Size for Drinking Water, Pool, Aquarium & Hydroponics (Yellow)
- 【Calibration Operation Guide】 Press and hold the CAL button for 5 seconds to access calibration mode. Complete calibration by selecting the standard powders in this exact order: 6.86 → 4 → 9.18. Please refer to our full calibration instructions and tutorial video for detailed steps.
- 【Pre-Calibrated for Immediate Use】The pH meter is pre-calibrated before shipment and can be used directly out of the box. For best accuracy, readings may vary slightly depending on water conditions and environment.
- 【Easy Operation】Simply turn on the device, immerse the probe into the solution, gently stir, and wait for the reading to stabilize before recording the result.
- 【Compact & Portable Design】Pocket-size design allows easy carrying for testing anytime, anywhere. Suitable for home, travel, and outdoor use.
- 【Multi-Purpose Water Testing】Ideal for drinking water, swimming pools, aquariums, hydroponics, RO systems, and other environments requiring pH monitoring.
Best Sellers:
SaleBestseller No. 1
VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified
- Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
- PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
- 3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water
- Features: Comes with protective case; Lightweight, handheld design for portability and convenience
- Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
SaleBestseller No. 2
Digital pH Meter Tester Pen for Water, Pre-Calibrated, High Accuracy ±0.01, 0–14 pH Range, Pocket Size for Drinking Water, Pool, Aquarium & Hydroponics (Yellow)
- 【Calibration Operation Guide】 Press and hold the CAL button for 5 seconds to access calibration mode. Complete calibration by selecting the standard powders in this exact order: 6.86 → 4 → 9.18. Please refer to our full calibration instructions and tutorial video for detailed steps.
- 【Pre-Calibrated for Immediate Use】The pH meter is pre-calibrated before shipment and can be used directly out of the box. For best accuracy, readings may vary slightly depending on water conditions and environment.
- 【Easy Operation】Simply turn on the device, immerse the probe into the solution, gently stir, and wait for the reading to stabilize before recording the result.
- 【Compact & Portable Design】Pocket-size design allows easy carrying for testing anytime, anywhere. Suitable for home, travel, and outdoor use.
- 【Multi-Purpose Water Testing】Ideal for drinking water, swimming pools, aquariums, hydroponics, RO systems, and other environments requiring pH monitoring.
Bestseller No. 3
YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/pH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening, Farming and Outdoor Plants
- 【4 in 1 function】This is a 4-in-1 multifunctional soil tester.Our soil tester fastly to measure soil moisture, pH, temperature and sunlight to help you take better care of flowers and plants.You can know when you need to water your soil by measuring moisture and pH & Temperature value of the soil and sunlight level of plants with it.
- 【Large Screen ＆ Backlight LCD Display】The Soil Tester uses a large LCD screen and white backlight to conveniently display and read digital parameter in day or dark.Use AAA1.5V * 4 batteries (not included),it will alert when the battery is low.
- 【Quick Accurate measurement】The latest probe detection technology in 2024 can quickly and accurately measure the pH, moisture and temperature in the soil，with the light intensity of the light sensor analysis on the instrument, it can allow you to know when to water, to control the pH and temperature acidity, and determine whether the plants have enough light to better cultivate the plants more scientifically.
- 【Easy to use】Just simply plug the probe into the soil about 4 inches（10cm) , wait 10 seconds to read intuitive data,and you will get an accurate and precise reading immediately.（This soil tester cannot be used directly to test any liquid. When measuring the soil, if the soil is too dry, do not insert it into dry and hard soil. Before testing, please water the soil test area and wait for 10 minutes, otherwise the testing machine will be damaged.）When testing soil pH and moisture, you need to read data from at least 5 locations in the soil. The average value of all the data will be the final soil pH and moisture.
- 【More convenient to read】The screen content adopts visual content design, which helps you read the data through specific values and easy to understand graphics, so that even novice growers can easily understand your soil conditions. The 45° rotating head design allows you to bend your head 0°-45°, allowing you to easily view the screen content without bending over.
Bestseller No. 4
Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display
- NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap
- Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation
- Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)
- High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
- Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
$79.76
Buy on Amazon
Bestseller No. 5
SONKIR Soil pH Meter, MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use (Green)
- Kindly NOTE: This soil tester can not be applied to test pH value of any other liquid. If the soil is too dry the indicator will not move, and water it before testing.
- 3 METERS IN ONE: Soil moisture level, Soil pH value and Sunlight level could be tested easily according to your need by switching the function button of this soil meter.
- NO BATTERY NEEDED: Simply insert the meter into soil, wait few minutes, accurate test results will be displayed on the readout panel. No battery is needed.
- STURDY AND SCIENTIFIC DESIGN: Reliable materials and upgraded technology used for this soil meter make it advanced and high-quality for long-term use.
- MULTIPURPOSE SOIL TEST KIT: Portable and compact design enables you to use this soil meter for house garden, farm, lawn and any other soil & plant analysis. Ideal for indoor and outdoor use.
Bestseller No. 6
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
- Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
- Backed by Apera quality pH sensor with low impedance, ensuring high response rate
- Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
- Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
- Up to 2000 hours' continuous operation, powered by AAA batteries
$50.22
Buy on Amazon
SaleBestseller No. 7
VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified
- Application: Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
- Easy Calibration: Advanced technology makes the test result fast and accurate; LCD screen makes reading clearly
- Features: Pocket size, lightweight, backlit function, high quality
- ATC Function: With Automatic Temperature Compensation (ATC), adjust to water temperature and give pH reading almost instantly
- What You Get: pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders
Bestseller No. 8
2025 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More
- Reliable Brand: At MEXYBE, we believe that knowledge is power, especially the water we consume. We are dedicated to empowering individuals with precise water testing tools because clean, balanced water is a fundamental right. Our pH meter represents our commitment to health, safety, and peace of mind. Whether you're ensuring drinking water purity or maintaining your garden, MEXYBE delivers trusted accuracy. Join us in protecting what matters most—your health, home, and our planet
- Friendly Reminder: Regularly cleaning the pH meter electrode is crucial for ensuring accurate readings. Contamination of the electrode can lead to unstable measurements. Please use an appropriate cleaning solution, such as distilled or purified water. If you have any questions, feel free to contact our customer service team at any time
- Easy to Use: 1. Immerse the meter in water so the water level stays between the MAX and MIN marks. Let it sit for 5 minutes. 2. Press the ON/OFF button and lightly stir the meter to remove any air bubbles. 3. Last take the reading once it stabilizes. (Important Notice: 1. This product is factory calibrated and ready to use. For first-time use, soak the electrode in the liquid you want to test for 30 minutes to activate it. 2. If the product hasn't been used for over a day, soak the electrode in the liquid you want to test for 15 minutes to activate it before using. Failing to do so may result in longer stabilization times for pH readings)
- Essential for Every Home: Elevate your quality of life with this versatile tool. Perfect for testing pH balance in various environments such as household water, drinking water, reverse osmosis systems, hydroponics, aquariums, swimming pools, hot tubs, and spas. Essentially, any situation where accurate pH testing is needed can benefit from this meter. Enhance your daily living with the confidence that comes from knowing your water is always just right
- What’s in the Box & Support You Can Count On: Along with your pH meter, you'll receive a detailed user manual, 2 x 1.5V button cells (pre-installed), and 3 x pH buffer powders. Plus, a dedicated team of water quality experts ready to offer rapid and efficient responses round the clock through live chat and email. We are committed to taking our customers' feedback seriously, as our sole aim is to deliver products and services that hold genuine value for you
Bestseller No. 9
Digital pH Tester for Water, pH Meter for Hydroponic Water, TDS Tester EC PPM Test for Plant Nutrients, 4-in-1 Meter for Conductivity, pH Pen for Drinking Water, DWC, Indoor Plants
- Multi-functional 4-in-1 pH Tester: Our GIDIGI digital pH testers are versatile and can measure not only pH values but also TDS, EC, and water temperature. With a wide test range for pH (0.1-14.0), EC (0-9990μS/cm, 10.01-19.99mS/cm), TDS (0-9990ppm), and temperature (32.0-140.0℉, 0.0-60.0℃), it is perfect for various applications such as hydroponics, aquariums, drinking water, swimming pools, tap water, hot tubs, and brewing
- Show Hydroponic pH & ppm Together:Our pH tester can simultaneously measure the pH and ppm of the hydroponic solution. The GIDIGI pH meter helps you know when to add nutrient solution and when to add pH solution to adjust the pH and ensure the healthy growth of your plants. It can monitor the pH, EC and temperature values of the hydroponic nutrient solution simultaneously on the screen without having to switch buttons.
- Accurate pH Meter With Effective ATC:Our multifunctional hydroponic pH meter features automatic temperature compensation (0 to 50 C) to ensure consistent readings. The pH EC tester with TEMP function protects sensitive plants and monitors temperature changes to prevent damage and optimise growth. This is essential for hydroponic growers.
- pH TDS Meter for Drinking Water:pH and TDS is two key parameters that determine the suitability of drinking water. GIDIGI pH TDS Meter for water is good tool for testing drinking water. Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced.Just dip the probe into water, you can read pH and TDS value at the same time
- pH Tester With High Sensitive Probe:The pH tester features a high sensitivity probe with a resolution of 0.1 and a full measurement range of 0-14 pH. There is also a sponge cap that keeps the electrode moist and thus extends the life of the probe. The easy-to-read display with green backlight allows quick readings in low light conditions .
Bestseller No. 10
EZTOCH Food pH Meter, Digital pH Meter for Food Fermentation Canning Cooking, Smart Sourdough pH Tester for Bread Cheese Sauces, Measure pH in Water, Brewing, Meat, Sausages, Pickles, Sushi Rice
- Food pH Meter for Canning: When canning season arrives, use Food pH tester to test the pH value of meat, fruits, and vegetables to help you identify which foods are suitable for water bath canning (high acid <4.6 pH) and which are suitable for pressure canning (low acid >4.6 pH). It is especially important to measure the pH of canned foods such as tomato sauce and hot sauce salsa again before canning for food safety
- Food pH Meter for Sourdough Starter: For home bakers and chefs who like to make sourdough bread, this digital pH meter with Bluetooth function can help you monitor and record whether the pH value of yeast is within the optimal range (3.5 to 5 pH) at any time. Whether baking sourdough bread, making regular bread and pizza dough, use this pH tester you can easily measure the pH value
- Water pH Meter for Brewing and Fermentation: This pH meter has a wide range of applications, such as fermenting foods, making homemade yogurt, craft beer, kombucha, cider brewing, homemade wine, canning pickles, making mozzarella cheese, jams, jellies, chutneys, sausages, sauces, and skin care products. It is a Essential Tool for food processing
- Smart Food pH Tester: This pH meter can be connected to the YINMIK app via Bluetooth. The pH date can be saved on the app while measuring and you can view historical data at any time. At the same time, the pH reader can be set to automatically save data, and can automatically store up to 1,000 data. This pH Test kit is a very convenient tool for people who need to record data
- Easy to Use pH Meter: Smart pH Meter is calibrated before shipment, ready to use out of box, also coming with pH 7.00 and pH4.00 calibration solution, help you easily calibrate the pH level at any time; With backlight display, even in the dim, you also can get the pH readings; With 30ml pH probe protective solution, Always keep probe moist, extend the service lifer of pH meter, With automatic shutdown function
