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1. VIVOSUN

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VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter

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VIVOSUN #ad - 3-in-1 tds meter: measurement range 0-9990ppm, 0-9990µs/cm; accuracy ± 2%, 01- 800°c, 32. 0-176. 0°f. Due to recently reviews about 1413 solution, please note that tds Meter had been calibrated by 1413 solution in advance; You can use it directly and it could last for 1 year without second calibration; So 1413 calibraiton solution is not included.

Comes with protective case; Lightweight, handheld design for portability and convenience. Ph meter: full measurement range of pH 0 - 14, reliable and quick readings. Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools. Note: this meter can't test sea water.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad
Part Number4336465266

2. Bluelab

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Bluelab METCOM Combo Meter for pH, Temperature, and Conductivity Measures, Easy Calibration

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Bluelab #ad - Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 5 Year Limited Warranty with proof of purchase. Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA batteries and calibration solution; Works with Bluelab Leap pH Probe for direct media measurements.

Easy two point calibration and auto temperature compensation makes this digital meter a handy tool with backlit LCD display and calibration reminders. Quickly monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need. Measures ph, brewing, hydroponics, ppm 700 and CF with lab quality glass that can be used for the pool, ppm 500, drinking water, temperature and tds EC, and growing.
BrandBluelab #ad
ManufacturerBluelab Corporation Limited - Import (NZ) #ad
Height1.49 Inches
Length5.7 Inches
Weight0.33 Pounds
Width3 Inches
Part NumberBLU2300E
ModelBLU2300E
WarrantyFive year free repair or replacement guarantee. 6 months for the ph probe

3. Hofun

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TDS Meter Digital Water Quality Tester, Hydroponics EC Meter, ppm Meter for Hydroponics Aquarium, 0-9999 ppm, TDS Temperature & Conductivity Meter 3 in 1, Digital Water Testers for Drinking Water

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Hofun #ad - Besides, red backlight ppm figure over 40 means high level ppm figure. Not only been convenient for you, absolutely a helpful kit for your life. Three different measurement needs can be fulfilled by one digital water quality tester. Put the probe into water and LCD shows accurate results in seconds. In addition, hydroponics meter,ideal water testers for drinking water test, 0-9999 ppm, aquarium, laboratory, advanced and reliable Automatic Temperature Compensation ATC ensures measurement accuracy, swimming pool, making it fits multiple usages, RO/DI Water etc.

Thus we have absolute confidence of our water test meter. Bonus 3 in 1 digital tds temperature & conductivity meter hofun 3 in 1 tds, but also saves your time and money, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Easy operation & energy saving hofun ppm meter allows one button operation. Reliable tds meter -- accurate & quick equipped with premium quality titanium alloy probe, hofun tds water quality tester enables quick and convenient test. Easy reading big backlit lcd display & qualified water tester hofun water quality test meter for hydroponics ec meter with big backlit lcd is far superior than other ones, which allows wider angles of data reading and night reading.

High quality tds meter hofun water quality test meter is manufactured under extra high standards and of excellent quality. Green backlight ppm figure below 40 indicates TDS figure qualified for direct drinking water Notes: International standard adopted TDS figure 40 as a dividing line. Just turn tds meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
BrandHofun #ad
ManufacturerHofun #ad
Height0.62 Inches
Length6.4 Inches
Weight0.06 Pounds
Width1.14 Inches
Part NumberTDS-03
ModelTDS-03

4. WIZTECH

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Pool, Wiztech Digital PH Meter with ATC: 3 in 1 PH TDS Temp, High Accuracy Pocket Size Water Quality Tester for Drinking Water, Pond, Lab, Beer Brewing, Aquarium, Kombucha, Food Processing

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WIZTECH #ad - Backlit lcd design: don't worry about seeing the displayed value when there is insufficient light. Ph, tds and temperature can be measured simultaneously with high precision. 3-in-1 water quality test: wiztech ph meter is designed in 3-in-1 format. Omni-directional measurement of water quality to ensure the health of water quality.

And wiztech ph meter uses a 3-point calibration method, Wiztech PH meter’s full measurement range of 0-14pH, pH 6. 86, and pH 9. 18 to ensure the accuracy of your measurements. 01 ph accuracy and 3-point calibration: with high sensitivity glass probe, calibrating the electrode to solutions of pH 4. 00, 001 ph resolution. Wide application: ideal for household and laboratory pH testing applications, aquariums, kombucha, including drinking water, swimming pool, laboratory, hydroponics, pond, beer brewing, food processing etc.

Automatic temperature compensation: no longer need to pay attention to the temperature of testing liquid, Wiztech pH meter can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C 32 °F-140 °F, so as to solve the inaccurate problem caused by changing the liquid temperature. Wiztech ph meter features a green Backlit LCD to help you see the measurement clearly in any situation.
BrandWIZTECH #ad
ManufacturerWIZTECH INTERNATIONAL #ad
Part NumberLD-151T

5. HYCT

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PH Tester with 0-14 pH Rang and 0.01 Accuracy for Hydroponics,Aquariums,RO System etc by HYCT, PPM Meter and pH Meter Combo,TDS-EC-Temp3-in-1 TDS Meter with 0-9999PPM Range and ±2% Accuracy

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HYCT #ad - Automatic calibration and stable reading - ppm meter and ph meter kit has been calibrated in factory, you can use them directly and stable reading from big LCD screen, we provide 4 Packs buffer powders also in order to calibration if it not used for a long time.

Ppm meter and ph meter combo wide use - include a tds meter and a pH meter digital kit which can detect water quality in the hydroponic system, water treatment, wild water, rice fields, wine, aquarium, spring, pools, spas, reverse osmosisRO/DI system and lab etc. Family must-have and cost-effective - this ppm meter and pH meter combo set is must-have product for your family health and most water test scenarios, it is multifunction set and more economical than separately purchasing also.

Ppm meter and ph meter for water high quality&precision - configure a sensitive electrode sensor which can quickly and accurately detect pH value, which improved accuracy upto 001ph, 0-14 ph measurement Range. Ppm meter and ph meter high quality&precision - is 3 in 1 tds meter digital water tester include tds meter, ec meter and automatic temperature compensationATC feature with high-quality titanium probes which improved accuracy upto ± 2%, 0-9990 ppm Measurement Range.
BrandHYCT #ad
ManufacturerHYCT #ad
Height0.25 Inches
Length5.5 Inches
Weight0.2 Pounds
Width3.2 Inches
Part NumberHYCT---006

6. HeyMillion

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PH Meter, 0.01 PH High Accuracy Water Quality Tester for Water/Brewing/Food/Soil/Sauce/Laboratory, TDS Meter for Hydroponics with 0-14 PH Measurement Range, Digital PH Tester

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HeyMillion #ad - The included detailed manual Will Show You How to Get the Best Accurate and Stable Reading. Scientific and accurate:ph tester has a sensitive electrode sensor, simply press "ON", It only takes a few seconds for your result to appear on screen.

Read accurate pH levels. Also it is ideal for laboratory test. Widely use: ideal for household or laboratory use;you could use to test tap water, wine or other liquid food and fish tank for residential use, spas, aquariums, hydroponics, or you could test pools, aquaculture, etc. Make you satisfied with the products:come with 1x ph meter, 1x user manual, 3x 1. 5v lr44 button cellsbuild-in, 3x PH Buffer Powders. Auto calibration:the ph meter has an auto temperature compensation feature that adjusts to water temperatures and water quality to give pH readings almost instantly.

As well, and when the product with problems, users can make calibration to get problem solved. Automatic temperature compensation:no more need to take care about the temperature of testing liquid, as ph meter has built in ATC automatic temperature compensation, so that it can accurately determine pH number of the sample at any temperature in a range of 0°C - 80°C 32°F - 176°F.
BrandHeyMillion #ad
ManufacturerHeyMillion #ad

7. KETOTEK

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Aquariums, RO System, KETOTEK Water Quality Test Meter, Drinking Water, PH Meter TDS Meter 2 in 1 Kit with 0-16.00 ph and 0-9990 ppm Measure Range for Hydroponics, Fishpond and Swimming Pool…

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KETOTEK #ad - The tds meter and ph meter both are easy to use, and just need to press “ON/OFF” to close it. Automatic temperature compensation atc. Small size and pocket portable. The pen meter partner also can be separately used whenever you need.

Digital ppm tester and ph tester both have the function of ATC, the measuring data won’t be influenced by the water temperature, no matter testing the ppm or ph of the water. Auto-off function and easy to use. It would be more economical and convenient than purchasing it separately. Digital tds meter and ph meter both have the function of auto-off, just need to press “on/off” to open and use it, it will automatically shut off with inactivity to save the battery’s life.

Tds tester and ph tester have small size and low weight as a pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out. Widely used and accurate. Digital tds meter has measurement range 0-9990ppm and ±2% accuracy, PH meter has measurement range 000- 14. 00ph, 001ph accuracy and 001ph resolution.
BrandKETOTEK #ad
ManufacturerKETOTEK #ad
Part NumberKT-3-2 portable
ModelKT-3-2

8. VIVOSUN

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0-14.0 pH Measurement Range, pH/TDS/EC/Temp Function, ±0.1 pH Accuracy, VIVOSUN 4-in-1 Digital pH Meter with ATC

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VIVOSUN #ad - 4-in-1 mode: with vivosun 4-in-1 ph tester, you can accurately measure PH, tds, EC and Temp value; Know water quality clearly to ensure your family members' health. Wide application: ideal for household and laboratory testing applications; Buy one for drinking water, kombucha testing; Good for aquariums and hydroponics using, beer, too.

Automatic temperature compensation: with atc function, VIVOSUN 4-in-1 pH meter solve the inaccurate measuring problem caused by the change of liquid temperature; Easy to get a reliable, stable reading. High accuracy: with high sensitive probe, you can quickly read the results; wide measurement range and high resolution guarantee that you can measure different kinds of liquids.

Easy to use: after calibration, put the sensor into the solution you want to test, and get the data immediately; Before another testing, wash the probe carefully; Or you may get a inaccurate reading.
BrandVIVOSUN #ad
ManufacturerVIVOSUN #ad
Height7.2 Inches
Length1.5 Inches
Weight0.37 Pounds
Width1.5 Inches
Part NumberPH-002

9. Pancellent

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Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Kit Blue,Upgrade LED

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Pancellent #ad - Convenience use 5 seconds know water quality, faster. This set combo of TDS PH EC Temperature. Wide application ideal for home and laboratory ph testing, including drinking Water, Photograph Flushing Fluid, Water in Fish Tank, Well Water, Electroplating Liquid, water of swimming pools, Boiler Water, Aquaculture, Deep Phreatic Water, Food Processing and More.

Pocket portable small size but suitable for testing pH balance of drinking water, Spa, RO system, pool, aquarium, or hydroponics. How accuracy? ph resolution is 001ph, accuracy ±001ph. Tds:0~9990ppm, accuracy:±2%. This’s same as big brand resolution in Amazon, Conducitivity:0~9990us/cm, but Pancellent test only need half price of them.

Also it have best price, trustable Quality, Accuracy, all make it be your FIRST water quality Test. Lasted model ph pen have auto calibration function, not need any kind of screwdrivers to calibrate the pH pen tester. Tds pen have Lock & auto shut off function.
BrandPancellent #ad
ManufacturerPancellent Inc. #ad
Part NumberTES-PH-BLUE2

10. Bluelab

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EC, PPM 700, CF, PPM 500, Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester

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Bluelab #ad - Complete your monitor and controller system with other testers and meters from Bluelab. Made in new zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1 Year Limited Warranty with proof of purchase.

Auto temperature compensation makes this digital meter a handy tool with backlit LCD display and selectable units. Conductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; calibration optional. Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery.
BrandBluelab #ad
ManufacturerBluelab Corporation Limited - Import (NZ) #ad
Height1.3 Inches
Length9.8 Inches
Weight0.24 Pounds
Width2.2 Inches
Part NumberBLU2221
ModelBLU2221
WarrantyOne year free repair or replacement guarantee