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Best ph meters - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
15% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Apera Instruments
15% Off

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

Apera Instruments

$249.90

$294.00
(15% Off)

More Details
Main highlights
- IP54 spill-proof and dust-proof, durable and reliable; 50 Groups of data storage
- Equipped with 201T-F 3-in-1 combination pH electrode, Auto temp. Compensation, measuring pH and temperature simultaneously
- Comes with an easy-to-install electrode holder and pre-mixed calibration solutions
- Advanced digital processing technology helps generate quick and Stable readings
- Advanced Auto. calibration mode with calibration guide and self-diagnosis
$249.90
$294.00 (15% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Extech

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

Extech

$238.24

More Details
Main highlights
- Simultaneous display of Harmonics and Waveform
- Large backlighting LCD displays up to 35 parameters in one screen
- For single and 3-phase/3-wire or 3-phase/4-wire systems
- Datalog up to 52,428 single phase readings or 17,476 3-phase readings
- Current Probes sold separately
$238.24
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

VIVOSUN

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

VIVOSUN

$13.29

$13.99
(5% Off)

More Details
Main highlights
- PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
- Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
- Features: Comes with protective case; Lightweight, handheld design for portability and convenience
- Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
- 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
$13.29
$13.99 (5% Off)
4
Best Value
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

VIVOSUN
19% Off

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

VIVOSUN

$7.21

$8.99
(19% Off)

More Details
Main highlights
- What You Get: pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders
- Features: Pocket size, lightweight, backlit function, high quality
- Easy Calibration: Advanced technology makes the test result fast and accurate; LCD screen makes reading clearly
- Application: Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
- ATC Function: With Automatic Temperature Compensation (ATC), adjust to water temperature and give pH reading almost instantly
$7.21
$8.99 (19% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Apera Instruments

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

Apera Instruments

$80.81

More Details
Main highlights
- The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
- 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
- Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
- High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
- 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)
- COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case
- 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
$80.81

Best ph meters - Holiday Sale 2025

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

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

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

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