Daisy
Last Updated: Jul 18, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Swiss spear sensor with Long-life reference system (Replaceable), made for cheese, sushi rice, meat, fruit, milk, yogurt, sauce, and other solid/semi-solid's pH measurement (also works great for general water solutions)
Easy auto. calibration with auto. temperature compensation (ATC)
Unique high/low value alarm function, instantly reminding you of any results that need your attention with a red backlight
Large clear LCD with 3 backlit colors (indicating 3 different modes), dual display of temp. /pH, and indications of completed calibrations and stable readings
Complete test kit with ready-to-use calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a portable carrying case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Apera Instruments | 5.71 | ❌ | ❌ | ❌ |
Spear glass pH probe
Made for soft solid pH testing such as cheese, meat, sushi rice, etc
Swiss sensor technology: long life reference system with new type of polymer electrolyte
Double junction without diaphragm
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Equipped with LabSen 211 refillable glass pH electrode and a separate temperature probe, ensuring accurate, quick, and consistent pH measurement.
The user-friendly navigation system is displayed on a large TFT HD screen, supporting multi-language prompts and graphic tutorials.
The built-in manual/auto. data logger has 200 sets of data storage and supports USB data output
The Smart self-diagnosis ensures successful 1-3 points of calibrations.
Electrode slope is ready to view after calibrations so you can be aware of the health condition of your pH electrode.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Quick and easy 1 to 3 points Auto. Calibration with calibration guide (auto. recognizes 5 types of pH standards)
The quality 201T-F pH/temperature combination electrode ensures stable & accurate measurements of regular water solutions for scientific research and quality control
GlP data management (500 groups of data storage) with usb data output
Electrode’s slope display between calibrations shows the health of your pH electrode
The large backlit LCD displays pH and temperature simultaneously along with icons of stable readings and finished calibrations
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Designed for lab-grade measurement of up to 8 water quality parameters in the field, including pH, ORP, DO, conductivity, TDS, salinity, resistivity, and temperature
Intelligent functions –– auto. calibration, auto. temperature compensation, self-diagnosis, data logging, auto. power off, and more.
4 quality probes included in the kit (pH, conductivity, DO, ORP) for field test at lab-grade accuracy
Automatic electrode recognition –– the meter automatically switches to the right parameter mode according to the connected electrode.
Data logging –– 400 sets of data storage and recalling
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
ACCURATE MEASUREMENT: Accuracy: 0. 01 pH, Range: -2. 00-19. 99 pH, ATC, Auto Calibration with buffer recognition. Adopts advanced digital filtering technology, improving response time and accuracy
Data Processing: GLP standard data management, 500 data sets of storage, manual/auto timing storage, RS232 data output
RELIABLE Structure Design: Large LCD with blue backlit, Meets IP54 waterproof and dustproof
Comes with all-in-one pH electrode, flexible electrode holder, calibration solutions, and RS232 software
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Apera Instruments | 5.65 | ❌ | ❌ | ❌ |
Patented 3-in-1 fluoride ion probe - no need for stirring or added reagents, directly measuring the ion concentration of fluoride in a quick and simple manner
Stable potential, fast response rate, convenient use; 2-point auto. calibration for fluoride
Comes with an ATC pH electrode, testing fluoride, pH & temperature altogether with high accuracy
Large backlit screen, 300 groups of data storage, self-diagnosis, parameter setup
Rugged portable design, IP57 Water-Resistant Rating, ideal for both lab and field test
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Apera Instruments | 9 |
We've carried out a comprehensive analysis of 13,651 reviews on lab ph meters, using our selection criteria to identify the best options in the test, measure & inspect. Our findings reveal that most customers typically select lab ph meters priced around $334.57, with top brands including daplibo, yinmik, apera instruments, fundadyus, vivibyan, fristaden lab, yewhick, vivosun and aero-gro and bluelab
Our team of expert editors reviewed these high-quality items and handpicked the top 9 lab ph meters for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the test, measure & inspect category. These include dumsamker-direct, yinmik, amazon.com, siuyegang, breadking, fristaden & company, llc, stw print, vivosun and aero-gro and bluelab store .
We are dedicated to assisting our users in finding the right meters Products based on their needs, saving them considerable time when choosing which lab ph meters to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.