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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:
Bestseller No. 1
VIVOSUN Digital pH Meter 0.01 Accuracy Pen Tester for Water Hydroponics
- 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. 2
EZTOCH Food pH Meter, Digital pH Meter for Food Fermentation Canning
- 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
SaleBestseller No. 3
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. 4
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
Bestseller No. 5
Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature LCD Display
- Stem thermometer with adjustable stainless steel probe
- 4.5-Inch (114mm) stainless steel probe adjusts from 0 to 180-Degrees for storage or measurement
- Detents at 45-Degrees , 90-Degrees , 135-Degrees , and 180-Degrees
- Fast response; auto Power off after 1 hour
- Temperature:-58 to 572-Degrees F (-50 to 300-Degrees C)
Bestseller No. 6
LOHAND Portable pH Meter with ATC, 0-14 Measuring Range, ±0.01 pH Accuracy
- High-precision measurement: Employing high-performance composite electrodes and advanced chips. We achieve measurement accuracy of up to ±0.01 pH. Ensuring that every piece of data you obtain is authentic and reliable. This pH tester is your all-in-one solution for testing water in pools, aquariums, and hydroponics systems.
- Automatic Temperature Compensation: Our Digital pH Tester has an automatic compensation function. Requiring only one operation to simultaneously obtain pH and temperature values, directly providing the compensated final result. Whether it's icy deep well water, warm fishpond water, or room-temperature laboratory samples, it delivers standardized, comparable, and accurate data. Making your research, aquaculture, or testing work more scientific and reliable.
- Easy to Use: One-click calibration, simple operation. Our pH Test Kit equipped with calibration buffer powder, allowing you to calibrate and start using it immediately upon receiving it. Turn on the pH meter, place the sensor into the water sample to be tested, and the value can be read. No complicated learning is required to get started easily.
- Wide Range of Applications: Suitable for labs, academic research, environmental testing, sewage testing, petrochemical Industries, Biomedicine, power and pharmaceutical industries. Also great for aquaculture, swimming pool water monitoring, drinking water, Industrial wastewater testing and all kinds of outdoor on-site water quality detection.
- What You Gain: 1*Portable pH Meter, 1*Electrode, 1*Manual, 3*Battery, 1*Screwdriver, Friendly customer service, All products are housed in a dedicated carrying case for easy transport and storage.
Bestseller No. 7
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
Bestseller No. 8
pH Meter, 3-in-1 TDS Meter Digital Water Tester with 0.01 High Precision
- 【3-in-1 pH Meter】PmoYoKo 3-in-1 pH meter delivers high-precision simultaneous pH, TDS, and temperature readings. This TDS tester offers full water quality analysis for safe use, replacing 3 single-function tools to simplify testing for pools, gardening, and daily use—no device switching needed
- 【High Accuracy pH Meter for Water】TDS meter digital water tester features 0.01 high-resolution chip & premium electrode for fast, accurate readings. Lab-trusted for cosmetics, fermentation, aquariums, R&D, brewing & tank water testing. Lab-grade reliable results, no guesswork—ideal for complex setups
- 【Friendly Backlight】Water tester for drinking water with auto-activated bright backlight. Effortless pH/TDS/temp testing & hydroponic monitoring—no squinting or repeated presses. Smart power keeps backlight on for hours, perfect for nighttime/low-light grow tents/hydro/aeroponic growers
- 【Pocket Size pH Meter for Water】This tiny and handheld TDS meter fits in your pocket so you can carry everywhere for testing aquarium, pool, garden, bath, spa, and even drinking water/liquid mixes , wine, soap, beer. Perfect for on - the - go pH checks
- 【pH Meter to Improve Water Quality】3-in-1 pH/TDS/temp meter for accurate water quality testing. Perfect pH & TDS for daily drinking water. Essential for aquariums—prevents gill irritation, regulates hardness, eases fish stress, tds water tester fits tank setup/changes/disease prevention. Tidy up fish tools & improve fish survival
Bestseller No. 9
YINMIK Food pH Meter Digital pH Tester Spear pH Probe pH Reader for Canning
- pH Meter for Sourdough Making: With proprietary spear pH probe, YINMIK food pH meter is great for managing sourdough fermentation. You can use it to check the pH of your sourdough bread dough during the bulk fermentation step.
- Food pH tester for Fermenting: If you are committed to making delicious sausages, salami, cheese, sushi rice, canned jam, fermented sauces, pepper sauce or salsa, you need to do the pH testing job carefully. YINMIK pH tester is essential tool with 0.00-14.00 pH range and ±0.1 accuracy, which meet all your requirement perfectly.
- Nice pH Meter for Cosmetics: With Spear Probe the pH meter works great for checking the pH of the cosmetics and lotions. There is no need making slurries before the pH testing, just stick the spear tip into your sample, waiting for the reading to be stable, then you got the accurate measurement
- Stable and Accurate pH Tester Food: More chips for more stable reading, with two times quantity than other products, there is no need to worry about the reading all over the place. Built with ATC system, whether it's a hot summer day or a cold winter day, you'll always get accurate measurements. What's more exciting is that the protective cap of the tester contains a wet sponge soaked in KCL solution, making the spear probe always moist, and that gives the tester more durable life.
- Easy Calibrated pH Meter: The YINMIK pH meter has 3 point auto-calibration function, every customer could complete the calibration according to the user manual. We also offered 6 bags of buffer solution powder in the product package, which could be used for long time.
SaleBestseller No. 10
VIVOSUN Digital pH Meter TDS EC Meter for Water 0.01 Accuracy Hydroponics
- 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
